Meet Our Faculty

NHDFMR Faculty

Two residents learning from Dr. Beth Koester 

If you're seeking a residency experience that offers excellent educational and training opportunities, you can count on the multidisciplinary faculty at NH Dartmouth Family Medicine Residency Program (NHDFMR) to meet your expectations. Our faculty team includes family physicians (four of whom provide obstetrical care), pediatricians, obstetricians/gynecologists, and several behavioral health specialists. They work collaboratively with each other as well as individually with you to provide an enriching and supportive learning environment.

Family Physicians

Dominic Geffken, MD, MPH, FAAFP

Program Director, Assistant Professor of Community and Family Medicine, & Assistant Professor at The Dartmouth Institute

Dr. Geffken joined the NHDFMR faculty in July 2004 as the director of leadership preventative medicine. He graduated from the University of Vermont College of Medicine. He completed both his family medicine residency and preventative medicine residency at the University of Massachusetts - Worcester. He also received his Master's of Public Health degree from the University of Massachusetts - Amherst. His interests include preventative medicine, quality improvement, behavioral health, geriatrics, addiction medicine and providing health care to homeless populations.

Jacqueline Morse, MD, MPH

Associate Program Director

Teri Brehio, MD
Medical Director

Dr. Brehio joined the NHDFMR faculty in 2004. She graduated from the University of Massachusetts Medical School and completed her residency at Concord Hospital, where she served as chief resident from 2003-2004. She served as Education Director from 2011-2019. Dr. Brehio coordinates the orthopedics, sports medicine and ICU curricula. She practices in the Hillsboro clinic site, in the town where she grew up. Her clinical interests include obstetrics, dermatology procedures, preventive health and teaching.

Bryan Bannister, MD
Adjunct Assistant Professor of Community and Family Medicine

Dr. Bannister received his medical degree from the University of Texas Medical Branch, Galveston in 1998. He completed his family medicine residency at the University of Rochester. Dr. Bannister joined the NHDFMR faculty in 2007 bringing with him six years of community health center experience.

Cynthia King, MD
Adjunct Assistant Professor of Community and Family Medicine

Dr. King joined our faculty in 2006. Dr. King received her medical degree from the University of Massachusetts in 2002 and trained at the University of Rochester Family Medicine Residency Program. She had the opportunity to serve as chief resident from 2005-2006. Her interests include patient and resident education, international and migrant health and women’s health.

Angela Yerdon McLeod, DO

Assistant Professor of Community and Family Medicine

Dr. Angela Yerdon McLeod received her medical degree from the New York College of Osteopathic Medicine in 2001. Following her residency at NHDFMR, she completed a fellowship in Women's Health at East Carolina University in Greenville, NC. She then returned to NHDFMR to join the faculty in 2005 as the Maternal Child Health education leader. Her clinical and research interests include family-centered maternity and neonatal care, breastfeeding medicine, neonatal abstinence syndrome, contraception management and postpartum mood disorders. She has years of experience with the Centering Pregnancy prenatal group visits model. When she is not busy catching babies or caring for them, she can be found chasing her own two girls or running, kayaking, mountain biking or hiking in the New Hampshire or Maine mountains.

Andy Valeras, DO, MPH, FAAFP

Associate Program Director of LPMR

Dr. Valeras joined our faculty in 2012 following completion of the NHDFMR and Dartmouth Hitchcock Leadership Preventative Medicine Residency (LPMR). Dr. Valeras currently serves as an Associate Program Director for LPMR. He is a designated American Academy of Family Physicians Fellow. Dr. Valeras currently seeks to integrate quality improvement and systems-based thinking with the clinical practice and education of family medicine providers in integrated teams. Dr. Valeras does this through the [Systems] course, taught via 320 hours of longitudinal experiential learning, over three years for primary care teams. Dr. Valeras serves as President of the Board of Directors for the Collaborative Family Health care Association.

Gregory Thesing, MD

Assistant Professor of Community and Family Medicine

Dr. Thesing joined the NHDFMR faculty in 1997 after spending two years as a staff physician at the United State Air Force Academy. Additionally, he was a clinical instructor in the Department of Family Medicine at the University of Colorado Health Services Center. Prior to his work in Colorado, he spent three years as a staff family physician at Eielson Air Force Base in Alaska. Currently, he practices at the Family Health Center—Hillsboro. He was past chair of the Concord Hospital Credentials Committee as well the Medical Staff President. He is a member of several hospital committees. His teaching interests include outpatient procedures, chronic care management, and working in multidisciplinary primary care teams.

Obstetricians/Gynecologists

Linda J. Haller, MD

Dr. Haller joined NHDFMR in November of 2016 as a faculty in obstetrics and gynecology. She has worked and lived in New Hampshire for almost 30 years as an OB/GYN, with brief interludes of working in Nepal and New Zealand. She received her medical degree from the University of California, Irvine in 1986 and has previously worked in northern New Hampshire. Interests in medicine are obstetrics, menopause, and mindfulness meditation. She was recently certified to teach mindfulness meditation. Her outside interests include cats, being in nature, traveling and meditation.

Annick Westbrook, MD

Adjunct Assistant Professor of Community and Family Medicine

Dr. Westbrook joined the NHDFMR faculty in 2010. She graduated from Vanderbilt University School of Medicine and completed her obstetrics and gynecology residency also at Vanderbilt University where she served as Chief Resident in 1996-1997. Dr Westbrook works within the Family Health Center as an OB/GYN consultant and coordinator of the gynecology and procedures curricula. Her clinical interests include obstetrics, teen care, dysfunctional bleeding, and operative gynecology.

Lauren Lessard, MD 

Dr. Lessard grew up in New Hampshire. She worked in sleep research for Brown University in Providence then moved to Milwaukee to complete her medical training at the Medical College of Wisconsin. She returned to New Hampshire to complete her residency training at Dartmouth Hitchcock Medical Center in OB/GYN.  She then worked at Wentworth-Douglass Hospital for five years before coming to Concord Hospital as the first Nocturnist or night laborist working for both Concord OB/GYN and the Family Health Center.  She joined the faculty of the Family Health Center in May of 2020 and enjoys providing full-scope OB/GYN care to the women of our community throughout their lives. 

Pediatricians

Viking Hedberg, MD 

Dr. Hedberg joined the NHDFMR faculty in 2020. He graduated from Columbia University College of Physicians and Surgeons and completed his pediatric residency at the Children's Hospital of Philadelphia. He worked in Camden, New Jersey for three years at a community health center and a school-based clinic before completing an Adolescent Medicine fellowship and his public health training at the University of Rochester. Dr. Hedberg has practiced full-spectrum general pediatrics in Plymouth, New Hampshire for 20 years including being the school physician for area public schools, at The Holderness School and at Plymouth State University. Prior to joining NHDFMR, he served as a pediatric hospitalist at Concord Hospital and will continue to work in both the outpatient and inpatient settings. At NHDFMR, Dr. Hedberg oversees both the inpatient and outpatient pediatric education for the residents. Areas of specific interest are optimizing effectiveness and efficiency of primary care for children and adolescents, collaborative care in addressing learning, mood and attentional issues and management of chronic symptoms.

Geriatrics

Mary Kae Eckert, MD

Dr. Eckert joined the NHDFMR faculty in July 2019. She is a faculty provider of the Frail Elder Program with a focus on Geriatric and Palliative Medicine. She graduated from the Perelman School of Medicine at the University of Pennsylvania in 1997, and completed an internal medicine residency at Maine Medical Center where she was co-chief in her fourth year of training; then practiced hospitalist and palliative/hospice medicine in Austin, Texas and Concord, New Hampshire. She is board-certified in Internal Medicine and Palliative and Hospice Medicine. Dr. Eckert enjoys treating the 'whole patient,' teaching residents, serving the local community through interdisciplinary team-based health care, and has a special interest in improving transitions of care.

Behavioral Health

Alex Brown, PhD

Dr. Brown is a licensed physiologist and coordinator of the Behavioral Science curriculum at NHDFMR including clinical education and observation, behavioral precepting, resident wellness, and biomedical ethics. Dr. Brown received his doctorate in Counseling Psychology and completed a postdoctoral fellowship in Primary Care Behavioral Health jointly at the Edith Nourse Rogers Memorial VAMC in Bedford, MA, and care psychologist at Cambridge Health Alliance/Harvard Medical School and Tufts Family Medicine Residency. His clinical focus is health psycho-physiological effects of anxiety and depression, and he supervises doctoral-level psychology trainees in the behavioral health internship program at the Family Health Center.

Joni Haley, MS, LMFT

Ms. Haley, a licensed marriage and family therapist and American Association for Marriage and Family Therapy Approved Supervisor, joined NHDFMR in May 2000. She directs outpatient behavioral health services, which includes both mental health counseling and integrated care management service. She also directs the interdisciplinary behavioral health internship program at the Concord Hospital Family Health Center. Ms. Haley is one of the clinical supervisors for masters-level and doctoral-level behavioral health interns. Ms. Haley is one of the behavioral health preceptors for the first and second-year resident complex continuity clinics and is involved in teaching during "systems" weeks. She also provided direct observation and feedback for residents during their continuity clinics. She is a member of the Family Health Center leadership team and facilitated Concord Hospital Schwartz Center Rounds.

Tina Kenyon, ACSW

Instructor, Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth

Ms. Kenyon joined the NHDFMR faculty in 1995. Her responsibilities include resident and medical student education, curriculum development, advising and coaching. She facilitates a group for residents to explore clinical uncertainty. She coordinates the Resident's Program Evaluation Committee. Ms. Kenyon has contributed to the skill development of faculty, primary care residents and other health care professionals in a variety of content areas for 30 years. Her background also includes healthcare social work, family therapy practice, organizational development, process improvement, facilitation and medication. She has numerous publications and has presented on a variety of topics at regional, national and international conferences. 

Alexandra Kuftinec, MD

Dr. Kuftinec completed a triple board residency in Pediatrics, Adults Psychiatry, and Child and Adolescent Psychiatry at Tufts/ Boston Floating Hospital/ New England Medical Center after graduation from the University of Louisville School of Medicine in 1988. She worked for 10 years in a community mental health center, after which she joined the NHDFMR faculty in 2007. There she provides psychiatric consultation for patients at the Family Health Center who have behavioral and mental health issues. She works with residents and faculty to manage their complex patients and has an interest in, and a commitment to, integrating the assessment and treatment of mental health issue into the primary care setting.

Aimee Burke Valeras, PhD, LICSW

Dr. Valeras is Scholarly Activity Faculty at the NHDFMR and Leadership Preventative Medicine Residency and works in the Behavioral Health Department at the Family Health Center. She received her undergraduate and Masters of Social Work degrees from Boston College and her Doctorate in Social Work from Arizona State University. She has presented nationally and internationally on the topics of integrating behavioral health and primary care, on disability and illness identity, and on qualitative research methodology. Her interests include withing with survivors of domestic violence, narrative research, and narrative medicine.

With FMR, Dr. Valeras serves as a resource to residents, faculty, and staff in the areas of quality improvement and quantitative measurement, as well as proposing, presenting, or publishing their work. With LPMR, she assists in resident coaching, practicum implementation and program development. In her clinical role, she fulfills preceptive and patient care responsibilities. 

Academic Advisors 

  • Andrew Valeras, DO, MPH, FAAFP
  • Cynthia King, MD 
  • Alex Brown, PhD
  • Tara Davis- Thompson, LCMHC, MLADC
  • Annick Westbrook, MD
  • Bryan Bannister, MD
  • Michael McLeod, DO 
  • Tina Kenyon, ACSW
  • Linda J Haller, MD 
  • Alexandra Kuftinec, MD
  • Angela Yerdon McLeod, DO
  • Teri Brehio, MD
  • Gregory Thesing, MD 
  • Aimee Burke Valeras, PhD, LICSW