Meet Your Future ColleaguesNHDFMR Residents

At NH Dartmouth Family Medicine Residency (NHDFMR) diversity is welcomed and celebrated. From geographic diversity, residents come from across the country and world, to professional diversification, some are MDs and some DOs — they represent multifaceted identities and clinical interests. Among your residency class, you'll meet classmates with interests spanning every aspect of family medicine. So whether you groove on hospital medicine, medical informatics, obstetrics, geriatrics or anything in between, you can count on being welcomed to a group of individuals united by their passion to provide clinical quality outcomes, as well as personal growth and development.

Welcome Class of 2025

  • Ruba Abdullah, MD - St. George's University School of Medicine
  • Elizabeth Baumgartner, MD - University of Vermont, Larner College of Medicine
  • Avery Cox, MD - Ross University School of Medicine
  • John Pacheco, MD - Geisinger Commonwealth School of Medicine
  • Katie Polakowski, DO - University of New England College of Osteopathic Medicine
  • Ellen Reidy, DO - University of New England College of Osteopathic Medicine
  • Emily Tamimie, DO - University of New England College of Osteopathic Medicine
  • Avani Varshney, MD - St. George's University School of Medicine


Lea Britton, MDLea Britton, MD

Lea (she/her) grew up in the suburbs of Philadelphia, Pa. She earned her bachelor's of science in kinesiology from Temple University where she was also a member of the women’s Division I lacrosse team. After college, she worked as a medical scribe in various emergency departments across the Philadelphia region. She attended medical school at the American University of the Caribbean (AUC) where she spent her first year in St. Maarten. At the beginning of Lea’s second year, her medical school relocated to Preston, England in the aftermath of Hurricane Irma. During that time she developed a passion for community service and mentorship. She helped coordinate volunteer opportunities for her classmates during AUC’s annual Community Action Day and tutored young adults in St. Maarten in preparation for the GED exam. Her professional interests include community health along with preventive and sports medicine. When Lea is not at the Hospital, she enjoys spending time with her partner and their rescue dog, Dilly. She also loves playing tennis, hiking, spending time in nature and catching up on the latest sports news. She is excited to join the team at NHDFMR and to explore beautiful New Hampshire.

Sydra Cooperdock, DOSydra Cooperdock, DO

Sydra grew up in New Hampshire. She moved west to attend Whitman College in Washington, graduating with a degree in environmental studies and creative writing. Wanting a break from academia, she moved to Portland, Ore., where she worked in restaurants, rode her bicycle, and made extraordinary friends. Restaurants showed her that she loved working with people in a service capacity, but she desired a greater sense of purpose in her work. She completed her post-baccalaureate studies at Portland State University before moving to California for medical school. She graduated from Touro University California College of Osteopathic Medicine where she fostered a love of family medicine, women’s health and primary care. She is excited to return to her roots in New Hampshire and to grow as a family physician at NHDFMR.

Paige Grandinetti, MDPaige Grandinetti, MD

Paige (she/her) grew up in Ottawa, Ontario, Canada and received her bachelor's of science with a specialization in human kinetics from The University of Ottawa. She went on to attend medical school at Saba University School of Medicine in the Netherland Antilles. Prior to medical school, Paige spent time volunteering and working in a variety of fields such as chiropractic care, exercise and rehabilitation, coaching, mental health, long-term care and global health. She enjoys the variety that Family Medicine brings and has a keen interest in women’s health and preventive care. In her spare time, she enjoys hosting friends and family for dinner as well as hiking, soccer, tennis, skiing and exercising. She’s excited to start her career in Family Medicine at Concord Hospital.

George Letterio, MDGeorge Letterio, MD

George (he/him) was born in Toronto, Canada and grew up in the beautiful town of Newmarket. He attended McMaster University where he received his bachelor's of science degree in life sciences. After completing his undergraduate degree, George attended and received his doctor of medicine degree from the Medical University of the Americas. Having spent most of his life enjoying the great outdoors of Muskoka, George developed a passion for rural medicine. He is excited to join NHDFMR where he will continue to develop his passion and gain a full-spectrum family medicine experience. George is also excited to be joining the Concord community. Having spent the better part of the past few years traveling around the country working and studying in various hospitals, he is excited to call the gorgeous state of New Hampshire home. That said, if you are looking for George and he is not in the clinic or the hospital, you will be sure to find him taking full advantage of the local hiking trails, snowboarding on the mountains, water-skiing on the lake or playing hockey in the local arena.

Jason Lindner, MDJason Lindner, MD

Jason (he/him) grew up in Richmond, Va., before moving to New Hampshire where he completed his undergraduate in biological sciences at UNH Manchester while working as a clinical lab assistant at Concord Hospital. He attended medical school at Saba University School of Medicine. His medical interests are broad but include hospital and emergency medicine, full-service primary care medicine, LGBT+ healthcare, and addiction medicine. He enjoys both city life and the outdoors and he has explored many trails in the White Mountains of New Hampshire, as well as the beautiful volcanic island of Saba. He loved working for Concord Hospital and is very excited to be returning as a Family Medicine resident.

Caitlin Descovich O’Hare, DOCaitlin Descovich O’Hare, DO

Caitlin (she/her) grew up in Westford, Mass., and received her bachelor's degree in biology and art from the University of Massachusetts Amherst. She then went on to get her master’s degree in medical sciences from Boston University before moving to Iowa for medical school at Des Moines University. Prior to medical school, she worked as a pharmacy technician and medical scribe in addition to researching nutrition in diabetes. During medical school, she pursued her passions in women’s health, reproductive health, medical humanities and integrative medicine. Her passions outside of medicine include art, exploring the outdoors, road trips, and making delicious plant-based meals. A fun fact about her is that she graduated from medical school and became a mom in the same month. When she is not working, she enjoys spending time with her family and two cats. She is excited to return to New England and start her career in family medicine.

Shreya Prashar, DOShreya Prashar, DO

Shreya (she/her) is a recent graduate from the Touro College of Osteopathic Medicine in Middletown, N.Y. She originally grew up in India and immigrated to Toronto, Canada with her family when she was 12-years-old. Before medical school, Shreya attended McMaster University in Hamilton, Ontario where she received both her bachelor's of science in biology and psychology and her master's of science in neuroscience. While conducting her exciting graduate research on therapeutic targets for bipolar disorder and neurodegenerative diseases, she also fell in love with the “city of waterfalls” and the local hiking trails of Hamilton. Shreya is really excited to begin her career in Family Medicine at NHDFMR, and she is passionate about working with underserved populations, women’s health, academic medicine, and global health. In her free time, Shreya enjoys exploring nearby trails, cooking, doing Zumba, or spending time by the water.

Kaitlin Strong, MDKaitlin Strong, MD

Kaitlin (she/her) grew up on a farm in rural Newfoundland and is a recent graduate of Saba University School of Medicine. Before medical school, her education brought her to British Columbia where she attended Lester B. Pearson UWC, an international school focused on intercultural understanding. She then moved back to the East Coast where she received a bachelor's of science in biochemistry at Mount Allison University in New Brunswick. Kaitlin is passionate about both rural and lifestyle medicine. In her free time, she enjoys cooking, baking, traveling, hiking, skiing, and the gym. She is excited to be moving to New Hampshire to enjoy all four seasons once again. 


Joshua Bartlett, DOJoshua Bartlett, DO

Josh is a recent graduate of the University of New England College of Osteopathic Medicine in Biddeford, Maine. Having grown up in New Hampshire, he is excited to return home to the state he loves by joining the NHDFMR team. Prior to medical school, Josh’s eclectic mix of experiences includes traveling throughout the U.S. as a professional cyclist, conducting research at Boston Children’s Hospital, and spending a number of years working in a local emergency department. His interests within medicine are broad and include osteopathic manipulative medicine, pediatrics, obstetrics, sports medicine, and addiction medicine, among others. Outside of the Hospital, you are most likely to find him spending his free time pedaling a bike, exploring new places along the backroads and in the woods of New Hampshire, and if the weather is nice, floating down one of our state’s many great rivers. After residency, Josh looks forward to settling down with his family in New Hampshire, where he hopes to develop lifelong relationships with patients and become a trusted source of high-quality primary care within his community.

Sherise Drost, MDSherise Drost, MD

Sherise (she/her) grew up in Utopia, a coastal village, in southern New Brunswick, Canada. She completed her bachelor's of science degree in biology and psychology and a minor in chemistry at the University of New Brunswick. From there she studied at Northumbria University in the U.K., where she received higher education in basic medical sciences. She completed her medical degree at St. George’s University in Grenada. She has been fortunate to experience healthcare in multiple countries and gain clinical experience in Kenya, Canada, Grenada, the U.K., and the U.S. She developed a passion for social medicine, women’s health and preventive medicine.
Before medical school, Sherise worked as a personal support worker with vulnerable persons, at vocational programs with challenged individuals and volunteered at the local food bank. In her free time, Sherise loves to spend time with her very large loving family. She enjoys being by the lake or the sea with her niece and nephews. Sherise enjoys fishing, camping, good food, family, friends, and traveling. She is excited to be a part of the community and to further her passion for medicine at Concord Hospital.

Sahil Gupta, MDSahil Gupta, MD

Sahil (he/him) was born and raised in the suburbs of Toronto, Ontario where he was exposed to many different cultures that shaped his worldview. He attended the University of Western Ontario for undergrad and graduated from the Medical University of Lublin in Poland. While in Europe, he enjoyed traveling and had the unique opportunity to compare and contrast different healthcare systems. Here, he developed an interest in preventive medicine and working with underserved communities. He continued his medical journey throughout the United States for clerkships where he spent a significant amount of time in his favorite city— New York City. Apart from medicine, his passions include gardening, spending time with family, music, cooking, and basketball (go Raptors). In Concord, he’s looking forward to learning about the surrounding community, exploring the scenic outdoors, and pursuing new hobbies such as photography. Although he’s been on the road for the last ten years, his time at Concord Hospital gave him a sense of feeling right at home which is why he’s excited to continue his career at the NHDFMR.

Ajhani Kesavan, MDAjhani Kesavan, MD

Ajhani (she/her) was born and raised in Scarborough, a suburb on the east side of Toronto, Ontario. She graduated from the University of Waterloo with a bachelor's of science degree in biomedical sciences and a minor in psychology. Her passion for medicine took her to St. George’s University School of Medicine, where she completed two educational years in Grenada and two years of clinical rotations all over the east coast of the U.S. She is thrilled to be a part of the NHDFMR team and is excited to further explore her interests in obstetrics/women’s health, behavioral health and preventive medicine. Her hobbies outside of medicine include non-stop smiling, spending quality time with her friends and family, playing badminton, and baking treats for her friends. She looks forward to forming great relationships with her patients and colleagues while serving the community of Concord.

Clare O'Grady, DOClare O'Grady, DO

Clare (she/her) has spent half of her life along the seacoast of New Hampshire and half in the foothills of upstate New York’s Adirondack Mountains. Prior to her medical training, she received a master's of public health degree from the University of New England, researching interventions to mitigate rural food insecurity. As a medical student at New York Institute of Technology’s College of Osteopathic Medicine, she fostered her interests in LGBTQ+ healthcare, osteopathic manipulative medicine, and occupational/environmental medicine. She is over the moon about completing her family medicine training at NHDFMR and hopes to address rural health disparities throughout her learning. If you can’t find Clare in the Hospital or clinic, she is likely hiking a peak, tending to her entry-level garden, or adding to her pile of unfinished knitting projects.

Katherine Rice, MDKatherine Rice, MD

Katherine (Katie) (she/her) is delighted to join the team at Concord Hospital in beautiful New Hampshire. She was raised in Chicago but fell in love with the White Mountains and the Atlantic Ocean while studying nautical science and oceanography at Sea Education Association in Woods Hole, Mass. She earned her bachelor's degree in global health at Colorado College. There, she became a Wilderness first responder and backcountry guide, while studying factors creating health disparity with emphasis on improving health outcomes for all. After college, Katie developed a passion for patient-oriented medicine while working in hospice care as a nursing assistant. She furthered her education in public health and medicine while at St. George’s University in Grenada, West Indies. Her research includes strategies to reduce waterborne illness in Haiti as well as Zika virus prevention and mitigation. Katie returned to Chicago for her final year of medical school and subsequently joined clinical teams working to improve the patient experience, especially important amid the pandemic. When Katie is not working, she spends her time in nature, exploring the world with her dog, Bodhi.

James Tremayne, MDJames Tremayne, MD

James grew up in Toronto, Canada. He attended medical school at the Royal College of Surgeons in Ireland and has trained at hospitals in Ireland, rural Canada and Chicago. James has a love for the outdoors. His favorite activities are rock climbing, skiing and whitewater kayaking. This passion for athletics has spurred his interest in sports medicine. James is excited to be training in Concord and living close to the mountains.

Fu Sheng Wang Lewis, MDFu Sheng Wang, MD

Lewis (he/him) grew up on the sunny island of Taiwan, moving to Canada with his family at a young age. He attended medical school at St George’s University in Grenada where he fell in love with the island and learned how to scuba dive. He is excited to be in New Hampshire for all its beautiful mountains and nature. In true Aquarius fashion, he couldn’t decide which specialty he loved most, and he is excited to continue his training in family medicine for its endless opportunities. In his spare time, you can find him hiking, skiing, catching a snooze or maybe even catching a baby. His professional interest includes rural/full spectrum family medicine, OB, inpatient, and LGBTQ health.


Megan Bennett, MDMegan Bennett, MD

Megan (she/her) comes from a small farm in Palmyra, Ohio and stayed in the area to complete an accelerated bachelor's of science and medical degree program through the Northeast Ohio Medical University. While in medical school she further developed her passion in rural underserved communities as a charter member of the Rural Medical Education Pathway (RMED) and also studied in Italy to develop coursework on the history of medicine. She plans to continue this interest by working in a critical access area practicing rural or frontier medicine as well as taking part in medical mission trips. In addition to working on the farm, Megan enjoys a variety of hobbies including hand embroidery, hiking and cake decorating. 

Emily Boone, MDEmily Boone, DO

Emily (she/her) grew up in southern Maine and received both her bachelor's of science and medical degree from the University of New England in Biddeford, Maine. Prior to her medical training, she lived in Boston working on research focusing on diabetes. Throughout her education, she was able to explore her interest in international healthcare by studying abroad and working in medical clinics throughout Africa, Asia, and South America. She is also passionate about women’s health. In her free time, she likes to spend time with her family. She is the youngest of six children, and she has six nieces and nephews. She also loves the ocean, cooking, and spending time with her golden retriever.

Liz Casey. DOLiz Casey, DO

Liz (she/her) graduated with a medical degree from Pacific Northwest University of Health Sciences in 2019. During medical school, Liz was part of the Reproductive Health Club leadership team and helped spearhead bringing sexual health classes to local high schools. She was recognized as a National Health Service Corps Scholar for her devotion to caring for those with limited access to health care and as a patient-nominated Daisy Award recipient for being a role model of clinical skill and compassion. As a doctor of osteopathic medicine, she is trained to combine medication-based treatments and manual therapy into a whole-person approach to patient care.

Liz is excited to apply this method of care as she starts her medical career and to make New Hampshire her home. You may see her going on runs with her border collie throughout town or hiking in the White Mountains with family.

Tamara Chin, DOTamara Chin, DO

Tami (she/her) is a graduate of the University of New England College of Osteopathic Medicine in Biddeford, Maine. She is originally from Chelmsford, Mass., and now lives in Boscawen, N.H., with her husband, daughter, mother and menagerie of rescue animals. She is passionate about equitable health care, minority rights and taking care of the underserved. She is one of the OB track residents and has a soft spot for rounding on postpartum patients and their babies. She is hoping to do full spectrum family medicine after graduation with a focus on obstetrics. Hobbies include chasing after her toddler, exploring all the local eateries, engaging in local advocacy, spreading awareness about intersectional feminism/anti-racism and beating everyone at board games.

Xinuo Gao, MDXinuo Gao, MD

Xinuo (she/her) grew up in the suburbs of Toronto, Ontario. She graduated from the University of Toronto with a degree in neuroscience, human biology and psychology, and then attended Ross University School of Medicine. With an immense interest in emergency medicine and global health, Xinuo hopes to make a difference in the world one day by providing aid in low-resource countries. Aside from medicine, she loves a variety of activities, some of which include hiking, running, reading and gaming. She is determined to learn how to ski and snowboard by the end of her residency. She is excited to start this new chapter of her life at NHDFMR.

Liesl Matska, MDLiesl Matzka, MD

Liesl (she/her) is a graduate of the University of Massachusetts Medical School. She was born in Boston and returned north for medical school after studying at Emory University and realizing she missed winters. Her medical interests include LGBTQ health and community medicine. Her previous job was as a preschool teacher where she learned songs about the days of the week (and still remembers the hand movements that go with them). When she's not working Liesl enjoys sewing, knitting, writing, and singing. She also enjoys theatre and was part of theatre groups throughout high school and college, although these days most of her performances are belting out show tunes in her car.

Amanda Pereira, MDAmanda Pereira, MD

Amanda (she/her) was born and raised in a suburb of the Greater Toronto Area, called Mississauga. She earned a bachelor's of science at McMaster University in Hamilton, Ontario, and then attended Saba University School of Medicine in the Dutch Caribbean. She completed the basic sciences portion of her medical education on Saba and traveled throughout the Northeast and Midwest United States for clinical rotations. Her journey, albeit slightly unconventional, allowed her to appreciate the true essence of diversity in and among these communities. Her experiences to date have reinforced her passion for preventive medicine, health care equity, social justice and advocacy, and transitional care management. Outside of work, Amanda enjoys hiking, and exploring New England beaches, breweries/distilleries and farm-to-table restaurants.

Lindsay Weigel, MDLindsay Weigel, MD

Lindsay (she/her) is a graduate of Tufts University School of Medicine in Boston. She is originally from coastal Maine and now lives in Concord with her partner and rescue pup. She is passionate about providing primary care and health education to rural populations with a particular interest in improving access and equality for her patients. She is planning to continue working with Concord Hospital Medical Group in outpatient practice after she graduates. When she's not caring for her patients, Lindsay is often off galavanting somewhere in the woods, mountains, or rivers of New Hampshire. She is an avid outdoor enthusiast who loves trail running, skiing, hiking, camping, kayaking, and biking.


Meredith Milligan, MDMeredith Milligan, MD

Meredith was born and raised in North Stonington, Conn. She graduated from the University of Connecticut, Storrs with a Bachelor of Science in Biology and a minor in Psychology in 2014 and then went on to complete her MD at the University of Connecticut School of Medicine in 2018. She graduated from the NH Dartmouth Family Medicine Residency in Concord, N.H. in 2021. Meredith was drawn to the field of family medicine by its broad scope of practice and unique focus on the care of patients within the context of their communities. She enjoys working with patients throughout all stages of their lives and is a passionate advocate for women's health and children's literacy. She is currently expanding her training in public health and quality improvement as a resident of the Leadership Preventive Medicine Residency at Dartmouth, with the goal of continuing to innovate primary care, improve equity within the healthcare system, and serve as a leader and educator in her community. Current work is focused on understanding COVID-19 vaccination rates in New Hampshire and addressing issues of vaccine hesitancy and inequity. In her spare time, Meredith enjoys baking, visiting with family, and curling up with a good mystery. If all else fails, she's probably near the ocean.

Linda E. Haller, MDLinda E. Haller, MD

Born and raised in Kansas, Linda (she/her) is the eldest of three. Before deciding to pursue a career in medicine she lived and worked in El Salvador, Central America for about two years with the study abroad program that she attended in college. After completing the pre-medical requirements at the University of Kansas she attended Tufts University School of Medicine, graduating in 2017. As a resident at NHDFMR (2017-2020), she affirmed her interest in full-spectrum family medicine, obstetrics and discovered an interest in quality improvement and leadership. In the Fall of 2022, she will complete the Leadership and Preventative Medicine Residency (LPMR) and will be joining the faculty of NHDFMR. In her life outside of residency, she enjoys spending time with family, skiing and hiking the beautiful mountains of NH, painting, drawing and cooking.