FACULTY - CORE FACULTY

Nicholas H. Apostoleris, Ph.D.

Fitchburg Residency Behavioral Science Director

Worcester State Hospital/UMass Medical School Dept. of Psychiatry Internship, 1999
Clark University, Clinical Psychology Ph.D., 2000
UMass Medical School Fellowship, Primary Care Clinical Psychology, 2001

Assistant Professor
Director of Behavioral Science for the Fitchburg Family Medicine Residency Program
Dr. Apostoleris teaches research methodology and behavioral science, consults with medical
providers, provides direct patient care, and supervises the program's post-doctoral fellow in
Primary Care Psychology. Areas of clinical interest include substance abuse and dual diagnosis
issues, severe psychopathology, and child assessment. Areas of research interest include
intrinsic motivation, home education, and psychological factors related to health outcomes.

APostoln@ummhc.org

Felix Chang, MD

Assistant Professor of Family Medicine and Community Health
Guayaquil University School of Medicine in Ecuador, 1986

Dr. Chang completed his training at the Fitchburg Family Medicine Residency Program in 2006.
He remains on faculty at the Residency. He practiced general surgery at Luis Vernaza Hospital,
Junta de Beneficiencia De Guayaquil, Ecuador. He also practiced surgial oncology at A.C.
Camargo Hospital, Fundacao Antonio Prudente. Escola de Cancerologia Celestino Burrol.
Sao Paulo University., School of Medicine, Sao Pauo, Brazil. Fellowship at Memorial Sloan -
Kettering Cancer Center, New York, NY.

Dr. Chang is fluent in English, Spanish and Portugues.

ChangF@ummhc.org

Cheryl DiVito, DO

Assistant Professor of Family Medicine and Community Health
University of New England College of Osteopathic Medicine, 2002
University of Massachusetts Family Medicine Residency Program, Fitchburg, MA, 2005
American Academy of Family Practice, Member
American College of Osteopathic Family Physicians, Member
American Osteopathic Association, Member

Dr. DiVito completed her training at the Fitchburg Family Medicine Residency Program in
September, 2005. She remains on faculty at the Residency. She is the acting inpatient
medical director of the residency. She is also the director and supervisor of the obstetrical
curriculum.

DivitoC@ummhc.org

Raj Hazarika, MD, MSc

Guwahati Medical College 2000
Harvard School of Public Health 2002

Assistant Professor of Family Medicine and Community Health
Dr. Hazarika completed his training at the Fitchburg Family Medicine Residency Prgram in
June 2007. He remains on as a faculty member at the resdiency program.

James Ledwith, MD, FAAFP

BS, The College of William and Mary
MD, Medical College of Virginia, Virginia Commonwealth University
Residency:The Toledo Hospital, Toledo, OH

Assistant Professor of Family Medicine and Community Health
Dr. Ledwith has been a long time collaborator in the Ambulatory Sentinel Practice Network
(ASPN) and the AAFP National Research Network. He served on the ASPN Laboratory
Medicine Task Force, which conducted the first systematic study of primary care laboratory
errors under a CDC research grant. He served on the Advisory Panel of the AAFP Patient
Safety Center 2001-2004. Research interests include patient safety, practice systems
improvement, and weight management and behavioral strategies for disease management.

LedwithJ@ummhc.org

Beth Kurtz Mazyck M.D.

Residency Director, Medical Director

University of Oregon, 1979
George Washington University School of Health Sciences, 1984
Eisenhower Army Medical Center Family Practice Residency, 1987
American Academy of Family Practice, Member
American Board of Family Practice, Diplomate
National Board of Medical Examiners, Diplomate

Associate Clinical Professor
Dr. Mazyck was previously a faculty member of the Family MedicineResidency Program at
Womack Army Medical Center, Fort Bragg, North Carolina. She was a Staff Family
Physician in the military for several years serving in Korea, Germany and at Fort Drum, New
York. Her special interests are clinical ethics, women's health issues, obstetrics, and office
procedures. Dr. Mazyck is the director of undergraduate activities in the residency,
supervising the 3rd and 4th year medical student clerkships. She is a member of the Ethics
Committee at HealthAlliance Leominster/Burbank Hospitals, and the Admissions Committee,
UMass Medical School.

MazyckB@ummhc.org

Peter C. McConarty, M.D.

University of Rochester, School of Medicine, 1973
University of California, San Francisco Residency, 1976
American Academy of Family Practice, Member
Society of Teachers of Family Medicine, Member
American Board of Family Practice, Diplomate

Associate Professor
Dr. McConarty has combined patient care and residency teaching in San Francisco, Worcester,
and Fitchburg since 1976. His special interests include behavioral science, care for underserved
populations and community-oriented primary care.Dr. McConarty coordinates the Fitchburg
Family Medicine Residency Family Medicine workshop curriculums and is a member of the
Admissions Committee, UMass Medical School.

McconarP@ummhc.org

Michele P. Pugnaire, M.D.

Associate Professor of Family Medicine and Community Health
Vice Dean for Undergraduate Medical Education, University of Massachusetts Medical School

Dr. Pugnaire is responsible for providing leadership for curriculum development, implementation,
and evaluation in undergraduate medical education. She has served as Associate Dean for
Admissions and Assistant Dean for Student Advising. During the past 15 years, she has
served in a variety of administrative and teaching positions in the department of family medicine,
and is currently Project Director for the Macy Initiative in Health Communication grant at UMass
Medical School as well as Principal Investigator for the Pfizer Sexual Health in Undergraduate
Medical School Curricula and AAMC/John A. Hartford Foundation Enhancing Gerontology and
Geriatrics Medicine Education in Undergraduate Medical Education grants. Her education
interests and achievements include faculty development in student advising, technology in
teaching, the McQ Standardized Family curriculum, and the expansion of the standardized family
across three clerkships as the principal investigator for a UME 21 Associate Partnership grant.
Dr. Pugnaire is the recipient of numerous teaching awards and maintains a community-based
clinical practice in family medicine with the UMass Fitchburg Family Medicine Residency Program.

Michele.Pugnaire@umassmed.edu

J.Herbert Stevenson, M.D.

University of Vermont College of Medicine, 1998
University of Massachusetts Family Practice Residency, Worcester, 2001
Sports Medicine Fellowship University of Connecticut, 2002

Assistant Professor
Dr. Stevenson completed his residency at the University of Massachusetts Worcester
Family Medicine Residency in 2001 and has completed a Sports Medicine Fellowship at the
University of Connecticut. He joined the Fitchburg Family Medicine Residency in August 2002.
Dr. Stevenson coordinates the residency's Sports Medicine curriculum. Dr. Stevenson's clinical
areas of interest include: sports medicine, evidence based medicine, and implementation of
technology in medical training and at the point of care.

SteveJ01@ummhc.org