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Meet Your Future Colleagues

At NHDFMR we welcome and celebrate the diversity of our residents.  We have residents from across the country and the world.  We have a good mix of allopaths and osteopaths. We have residents that are interested in every aspect of family medicine from ambulatory to hospitalist; medical informatics to sports medince; obstetrics to geriatrics.  The common thread that unites our residents is their passion to provide excellent, team-based care and commitment to their own personal growth and development.

Think you'd like to work with these residents? Learn a little more about them by reading their bios below.


Philip Baker, MD

Philip graduated from Saba University School of Medicine in 2016 and completed a Bachelor of Arts and Sciences (Theatre and Biology) at the University of Guelph near his home in Ontario, Canada. Passionate about global health and low-resource healthcare, Philip has worked in Nunavut, Uganda and Peru as a researcher and care provider. His medical interests include obstetrics, emergency medicine and integrative medicine. As an avid outdoors-man Philip enjoys spending his free time running, hiking, skiing, SCUBA-diving, back-country camping or trying out his new-found sport of paragliding.

Dawn Browne, MD

Dawn hails from the beautiful island of Cape Breton in Nova Scotia, Canada. Dawn and her husband and baby boy have been settling in well amongst the friendly people of New Hampshire and the plentiful green scenery reminiscent of home. Dawn worked as an Occupational Therapist for about 3.5 years prior to completing medical school at Saba University and hopes to bring forth and expand upon her previous skills in this exciting new career. Dawn feels incredibly lucky to be completing residency at NHDFMR and looks forward to developing her knowledge to eventually practice full spectrum family medicine in a community setting.

Alex Dickson, MD

Alex graduated from the Royal College of Surgeons in Ireland in 2016. Prior to medical school, he completed a bachelors of medical science with a minor in classical studies at Western University in London, Canada. Alex along with his wife Margaret love to travel and has had medical experience through either volunteer or rotations in 5 countries. In an academic setting, he really enjoys teaching both patients and medical students. While not practicing medicine, Alex likes weight lifting, cooking and going out for dinners with his wife. He also enjoys team sports including ice hockey, flag football and soccer in addition to outdoor activities such as canoeing and hiking.

Margaret Kazanczuk, MD

Margaret grew up in Mississauga, Ontario, Canada and obtained her Bachelor's Degree in Physiology from the University of Western Ontario, where she met her husband, Alex. Together, they traveled across the pond to Ireland for medical school. Margaret graduated from University College Dublin in 2016. She and Alex couples matched to NHDFMR and chose this program because of the supportive hospital culture, wonderful residents and faculty as well as for their unique systems curriculum. Margaret loved exploring parts of Europe while in Ireland and also enjoys going to the gym, skiing, spending time at the family cottage in Ontario, cooking and volleyball.

David Klebenov, MD

David graduated from Tufts School of Medicine in 2016 after working in the education and healthcare fields for several years. He comes to the residency program with a passion for clinical medicine, and is interested in leveraging global payments with PCMH models to improve health outcomes. He has a B.A. in Environmental Studies from the University of Vermont and a M.P.A. in Nonprofit/Public Management from New York University. When not in the hospital, he enjoys the outdoors, traveling, and spending time with his daughters Isabel (5) and Gaby (3). He grew up in Newton, MA just west of Boston. He is thrilled to be back in NH for residency, where he spent most of his summers as a boy at Camp Kabeyun in Alton Bay. After residency he hopes to practice full-spectrum family medicine in a place that really needs a family doctor.

David MacLeod, MD

David graduated from American University of the Carribean Medical School in 2016. Prior to this he received his BSc in Biology from University of Prince Edward Island (1997) and his Doctor of Chiropractic degree from the Canadian Memorial Chiropractic College (2001) in Toronto, Canada. His practice as a chiropractor focused on family care, sports medicine, and chronic pain. He also started his own consulting company where he provided functional and ergonomic evaluations for patients with work related and personal injuries. In addition and in a different trajectory, David also studied acting and worked professionally in the industry during this time. After 10 years of practice he decided to study medicine to provide a broader scope of care for patients. David's medical interests include addictions, emergency medicine, and chronic pain. In his spare time he enjoys spending time with his family, playing with his daughter, theater/film, playing chess, traveling, and working out. David would like to thank his wife Adriana and his parents - Roma and Norman for their unwavering and ongoing support during medical school and residency. In the future he would like to balance work by continuing with medical volunteer projects in Brazil and the Sea Shepard Conservation Society.

Michael Marolda, MD

Michael graduated from the University of Queensland School of Medicine in 2016. Prior to attending medical school he completed his undergraduate studies at The George Washington University where he majored in biomedical engineering. Originally from Sudbury Massachusetts, he is excited to return to New England for residency. He is looking forward to exploring his interests in geriatrics and hospital medicine. When he isn't at the hospital he enjoys spending time with his family on Cape Cod playing pinocle and enthusiastically competing in 5k’s with his dad and brother. If he finally wins a game of Settlers of Catan, he plans on enjoying the great outdoors by hiking the Presidential Range in the White Mountains. 

Brian McKenna, MD

Brian graduated from Medical University of the Americas in Nevis, West Indies. A native of Hamilton, Ontario, he attended the University of Ottawa where he completed an honors BA in psychology & health sciences. Brian’s medical school experience was a cherished adventure and he is thrilled to now be a part of the NHDFMR family. He hopes to one day practice comprehensive family medicine, and has particular interests in geriatrics, obstetrics, and integrative medicine.


Rachel Coombs, MD

Before graduating from the Geisel School of Medicine at Dartmouth, Rachel trained as a midwife and attended births in Maine, New Hampshire, Florida, and Honduras. During medical school, she participated in the Healer's Art storytelling workshop and was inducted into the Gold Honor Society for Humanism in Medicine. A wife and mother, she is passionate about family and community healthcare and considers being a physician one of the greatest honors of her life.

Lorena Do Ponte, MD

Lorena graduated from Xavier University School of Medicine in 2014. Prior to medical school, she completed her Health Sciences studies at Dawson College as well as Biochemistry at Concordia University in Montreal, Canada. She absolutely loves to learn new languages and is particularly fluent in Spanish and French. Lorena used to participate in competitive swimming and enjoys playing and watching sports. In her spare time, she enjoys intense training sessions at the gym, dancing, and reading.

Insha Haque, DO

Insha is a 2015 graduate of Kentucky College of Osteopathic Medicine. As an undergraduate, she attended Saint Louis University and completed her last year at University of Louisville with a Bachelor of Arts in Spanish. Insha has great interests in preventive medicine and global health. During medical school, she co-founded Healthy Hands Inc, her first non-profit organization to teach hand hygiene protocols to healthcare workers in Calcutta, India. In her spare time, she enjoys traveling, dancing, cake decorating, and working out.

Leila Hesselson, MD

Leila Hesselson graduated from St. George's University in 2015. As an undergraduate, Leila earned a Bachelor of Commerce degree from McGill University in Marketing and Strategic Management. While pursuing a career in business, Leila's interest in medicine was ignited when she began volunteering at a camp for kids with cancer. Leila has traveled extensively and worked throughout the world with personal favorites being a camping trip up the coast of Australia, backpacking in Costa Rica, and internship experiences in Israel and France. During her free time, Leila loves hiking, fishing, snorkelling and relaxing in the lakes of Saskatchewan, exploring new restaurants, cooking and attending music and theatre venues.

Jillian Koster, MD

Jillian graduated from Drexel University College of Medicine in 2015. She received her Bachelor’s Degree in Biology from Sacred Heart University in 2009, where she graduated summa cum laude with the Silver Medal of Excellence in Biology. After serving as a classroom learning assistant in several of her courses, Jillian grew to love teaching, and enjoys taking the extra time to teach her patients. Jillian especially takes great pleasure in pediatrics and obstetrics. Inspired by her Autistic niece and nephew, she has a special place in her heart for special needs patients. When not practicing medicine, Jillian enjoys hiking, crafting, and making greeting cards. She is originally from Northern New Jersey, but she and her husband are very excited plant some new roots in New Hampshire.

Nicole Mesick, DO, RD

Nicole graduated from the New York College of Osteopathic Medicine in 2015. She received her Bachelor’s degree in Nutrition Science with a minor in chemistry from Russell Sage College in 2010. Prior to medical school she completed her Dietetic Internship through the University of Connecticut at Hartford Hospital and is a certified Registered Dietitian. During medical school Nicole served as the Vice President of the Student Osteopathic Medical Association, and the Secretary of the Cardiology Organization. She has published multiple papers in scientific journals, and was the project coordinator for the obesity prevention program through the nutrition education and evaluation unit for the New York State Health Department. Her interests include sports nutrition, preventative health, pediatric medicine and health education. Outside of medicine Nicole is a professionally trained classical guitarist, enjoys anything fitness or music related, loves to travel, go to the theater, and enjoys spending time with her husband and family.

Mark Prodger, MD

Mark is a class of 2015 graduate of Jagiellonian University Medical College in Krakow, Poland. He was born and raised in Ontario, Canada where he also completed his undergraduate degree in Biomedical Science and Biochemistry. Mark decided to make a big life change after completing his undergraduate studies and pursued medical education in Poland. During his stay, Mark was fortunate enough to visit 8 different countries by making good use of time off from studies. Other past and present hobbies include SCUBA diving, board games, painting, baseball, ice hockey, intramural volleyball and badminton and high school wrestling.

James Riddleberger, MD

James graduated from Tulane University School of Medicine in 2015 and completed his undergraduate education at Middlebury College with a chemistry major in 2009. Between college and medical school James lived in Portland, Maine and worked as an EMT. During medical school James volunteered at the free clinics in New Orleans and went on a medical mission trip to Nicaragua. He was also elected by his peers into the Gold Humanism Honor Society. He grew up in Washington DC but now calls Maine home. He enjoys skiing, soccer, hockey, golf and anything else that takes him outdoors.


Paget Allis, MD

Paget is a 2014 graduate of St. George's University. As an undergraduate, she attended Smith College and received a Bachelor of Arts in Spanish. Between college and medical school Paget worked as a lab assistant and at a dental office. She enjoys roller derby, running, ice hockey, rowing, traveling and yoga.

Tida Lam, DO

Tida graduated from University of New England College of Osteopathic Medicine in 2014. She completed her undergraduate studies at Bowdoin College where she studied sociology. We were lucky enough to lure Tida away from her home state of Maine to train here in New Hampshire. She is interested in refugee and immigrant health, preventive healthcare and global medicine. In her spare time she loves to cook, exercise and write fiction.

Abby L'Heureux, MD, MSW

Abby graduated from Mayo Medical School in 2014. During medical school she also completed her MSW at Arizona State University. Abby's path to medicine has been a fairly winding one, starting with studying mathematics and computer science at Connecticut College, then onto nursing, construction, fire fighting, and social work. Abby enjoys training for and running marathons, triathlons, wood-working, quilting and software programming.

Johnny Malcolm, MD

Johnny is a New Hampshire native, growing up in the Upper Valley and attending University of New Hampshire as an undergraduate. After college he backpacked throughout Europe before landing in Lake Tahoe, CA where he spent two years as a ski technician. He returned to New England for the post-baccalaureate pre-medical program at University of Vermont. He graduated from UVM in 2014 and is excited to return to the Granite State. Johnny loves to ski in the winter, hike in the fall, and relax at the lake or ocean.

Michelle Mancherje, MD

Michelle is a 2014 graduate of St. George's University. She graduated from Georgetown University with a Bachelor of Science in Nursing and worked as a nurse in Washington, DC before attending medical school. Michelle practices yoga and meditation and likes to hike, travel and read.

Douglas Phelan, DO

Doug originally hails from Philadelphia, PA. He graduated from Philadelphia College of Osteopathic Medicine in 2014, having attended La Salle University for his undergraduate education in biology, economics, and English. Doug is an active member of the American Medical Association, having served as the medical student representative on the AMA's Council for Long Range Planning and Development during medical school. His post-residency plans are set, having signed on to the Dartmouth-Hitchcock Leadership Preventive Medicine Residency, an opportunity about which he is very excited. Professionally, Doug's interests include preventive care, nutritional medicine, food insecurity, complexity science, medical-political advocacy, and medical education. Outside of the clinic, Doug's interests include theatre, a cappella, piano, cooking, trivia, running, spinning, and soccer.

Ashvin Punnyamurthi, MD

Ash is a 2014 graduate of Xavier University and attended KMC International Center in India as an undergraduate. Ash is an avid golfer and plays soccer and hockey. He is also an outdoor enthuiast who loves to fish. He also sings, plays various string and percussion instruments, and composes music.

Chien-Hsiang "Joey" Weng, MD, MPH

Joey graduated from National Yang-Ming University. After graduation, he served in the Taiwanese navy as a medical officer responsible for sixteen ships and two thousand soldiers. He received his MPH from Johns Hopkins University in 2013 and continued working there as a research fellow in thyroid and breast cancer fields. He has a great passion in cancer epidemiology research and has been actively involved in several domestic and international projects since medical school. Joey played competitive tennis, plays the violin and loves both popular and classical music. He enjoys traveling and has been to sixteen countries since college graduation.

Leadership Preventive Medicine Residents

Hyun Hong, DO, PGY5

Hyun graduated in 2012 from the University of Medicine & Dentistry of New Jersey (UMDNJ). He received his undergraduate degree in chemical biology and social sciences from Stevens Institute of Technology. Hyun was very engaged with the Camden, NJ community having co-founded Project REACH (Revitalizing Education & Advancing Camden’s Health) thru a $30,000/4-year grant from the Association of American Medical Colleges. Hyun was nationally recognized for his leadership and service to underserved communities, and has been named an Albert Schweitzer Fellow-for-Life and Paul Ambrose Scholar. He also served previously as the national president of the American College of Preventive Medicine-Medical Student Section (ACPM-MSS) and national chairman of the Korean American Medical Student Association (KAMSA). In his spare time, Hyun enjoys playing sports and cooking. He is excited to explore the various outdoor activities while in New Hampshire.

Bobby Kelly, MD, PGY5

Bobby graduated from Drexel University College of Medicine in 2012. As an undergraduate he studied mathematics at St. Joseph’s University and went onto receive his master’s degree in education from University of Pennsylvania. Bobby enjoyed teaching math and science for six years before entering medicine. Bobby is an LGBT health advocate and has a strong interest in adolescent medicine. He hopes to incorporate these two interests into his eventual practicum project for the combined Family Medicine/Leadership Preventive Medicine Residency. In his free time, Bobby enjoys choral singing, piano, cooking, hiking, and spending time with his family.