
Family Practice

Casey Bartlett, PA-C

Paul Cabral, DO, MS
.jpg)
David W. Chastain-Stultz, FNP
Specialty:
- Family Medicine
Location:
Membership & Board Certification:
- Licensed Family Nurse Practitioner, Massachusetts
- Board Certified Family Nurse Practitioner, American Nurses Credentialing Center
- Registered Nurse, Massachusetts
- Basic Life Support, American Heart Association
- Advanced Cardiac Life Support, American Heart Association
Education:
- Elms College, Chicopee, MA
- Mount Mary University, Milwaukee, WI
- Lawrence University, Appleton, WI
Special Interests:
- Shared decision making
- Preventive medicine
- Infectious disease
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- DO, Osteopathic Medicine
Education:
- New York College of Osteopathic Medicine, Old Westbury, NY
- Touro College, New York, NY
- University of Connecticut, Storrs, CT
- University of Rhode Island, Kingston, RI
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Advanced Cardiac Life Support
- Basic Life Support
- Crisis Prevention Institute
- Buprenorphine 24 Hour Training
- Collaborative Institutional Training Initiative (CITI)
- OSHA Bloodborne Pathogen Training
Education:
- Massachusetts College of Pharmacy and Health Sciences, Worcester MA
- University of Vermont, Burlington VT

Elizabeth Coates M.D.
Specialty:
- Family Medicine
Location:
Membership & Board Certification:
-American Board of Family Medicine
- Board of Registration in Medicine
- Assistant Clinical Professor
- Instructor at University of Massachusetts Medical School
Education:
- University of Minnesota, Minneapolis, MN
- University of Massachusetts, Worcester, MA
- University of Michigan, Ann Arbor, MI

Jennifer DePiero, M.D.
Specialty:
- Family Medicine
Location:
Membership & Board Certification:
- Licensed Physician, Massachusetts
- Board Certified, American Board of Family Medicine
- Member, Massachusetts Medical Society
- Member, American Academy of Family Physicians
Education:
- Maine Medical Center, Portland, ME
- University of Massachusetts, Worcester, MA
- University of Pennsylvania, Philidelphia, PA
- Hamilton College, Clinton, NY

Ann Sharkey Esrick, PA-C
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Board Certified National Commission on Certification of Physician Assistants
- Certified Tobacco Treatment Specialist, UMASS Program
Education:
- Howard University, Washington, D.C.
- Wilkes College, Wilkes-Barre, PA

Steven Esrick, M.D.
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Licensed Physician, Massachusetts
- Board Certified in Family Practice
- Member, American Academy of Family Physicians
Education:
- Georgetown University School of Medicine, Washington, DC
- Rutgers University, New Brunswick, NJ
- Wilkes College, Wilkes-Barre, PA
Honors & Awards:
- Air Force Commendation Medal

Jeanne Johnson, M.D.
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Massachusetts State Board of Medicine
- Pennsylvania State Board of Medicine
- American Board of Family Practice
Education:
- Medical College of Pennsylvania, Philadelphia, PA
- Dickinson College, Carlisle, PA

Shersten Killip, M.D., MPH
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Licensed Physician, Massachusetts
- Board Certified, American Board of Family Practice
- Member, American Academy of Family Physicians
- Board Certified, National Board of Medical Examiners
Education:
- School of Public Health, University of Kentucky, Lexington, KY
- College of Physicians and Surgeons, Columbia University, New York, NY
- Amherst College, Amherst, MA
Honors & Awards:
- Abraham Flexner Educator Award for Educational Innovation



MARY LILY KIMATU, DNP, APRN, FNP
Scott Meyers, Psy.D.
Madelyn McCadden, FNP
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Registered Nurse
- Family Nurse Practitioner- Board Certified
- Basic Life Support (BLS)
Education:
- Elms School of Nursing, Elms College of Health Professions, Elms College, Chicopee,
MA.
- Springfield Technical Community College School of Nursing,
Springfield, MA.
Specialty:
- Integrated Primary Care Behavioral Health
Location:
Membership & Board Certification:
- Licensed Psychologist, Massachusetts & New York
Education:
- Pace University, New York, NY
- San Francisco State University, San Francisco, CA
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Licensed Family Nurse Practitioner, Massachusetts
- Board Certified Family Nurse Practitioner, American Nurses Credentialing Center
Education:
- Yale School of Nursing, Orange, CT
- University of Southern California, Los Angeles, CA
Special Interests:
- LGBTQ+ Care
- Addiction Medicine
- Mental Health
- Women's Health
- Gender Affirming Care
- Health At Every Size - Aligned Care

Kristin Rivera, D.O., M.S.
Specialty:
- Family Medicine and Osteopathic Manipulative Medicine (OMM)
Location:
Membership & Board Certification:
- American Academy of Family Physicians
- American College of Osteopathic Family Physicians
Education:
- New York Institute of Technology College of Osteopathic Medicine, Old Westbury, NY
- Pine Manor College, Chestnut Hill, MA

Lisa Rivera, FNP
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Massachusetts Coalition of Nurse Practitioners
- Hospice & Palliative Nurse Association
- American Heart Association, CPR Certified
Education:
- Frontier Nursing University, Hyden KY
- University of Massachusetts, Amherst, MA
- Smith College, Northampton, MA
Special Interests:
- Gender Affirming Care
- Health At Every Size - Aligned Care

Alexis Severin, PA-C
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Massachusetts State License
- NCCPA Certification
- Basic Life Support
Education:
- Massachusetts College of Pharmacy and Health Sciences, Worcester MA
- Worcester State University, Worcester MA

Bailey Sheran, DNP
Specialty:
- Family Practice
Location:
Membership & Board Certification:
- Doctor of Nurse Practitioner
Education:
- Elms College, School of Nursing, Chicopee, MA
- University of Massachusetts Amherst, School of Nursing, Amherst, MA
- Berkshire Community College, Pittsfield, MA
Behavioral Health

Elissa Forman, MSW, LICSW

Stephen Gallant, MD

Audra T. Winn, MSW, LICS
Specialty:
- Behavioral Health
Location:
Membership & Board Certification:
- Licensed Independent Clinical Social Worker
- Licensed Massachusetts School Social Worker/School Adjustment Counselor
Education:
- George Warren Brown School of Social Work, Washington University, St. Louis, MO
- Hampshire College, Amherst, MA
Specialty:
- Behavioral Health
Location:
Membership & Board Certification:
-Board certified with ABPN- American Board of Psychiatry and Neurology
- Licensed Physician, Commonwealth of Massachusetts
- Basic Life Support, American Heart Association
Education:
- University of Massachusetts Medical School, Worcester, MA
- Harvard Extension School, Cambridge, MA
- University of Massachusetts, Lowell, MA
Specialty:
- Behavioral Health
Location:
Membership & Board Certification:
- Licensed Independent Clinical Social Worker, ASWB Massachusetts
- National Association of Social Workers, Massachusetts Chapter; Phi Beta Kappa
- Certified Domestic Violence Counser
Education:
- Temple University, Philadelphia, PA
- Smith College School for Social Work, Northampton, MA
Languages Spoken:
- Spanish
Special Interests:
- Harm Reduction
- Racial and Cultural Trauma; Intimate Partner Abuse
Physical Therapy

Brendan Boucher, DPT

Amber Nauman, DPT

John J. O'Sullivan, PT, DPT, Executive Vice President
Specialty:
- Physical Therapy
Location:
Membership & Board Certification:
- Massachusetts Physical Therapy License
- American Board of Physical Therapy Specialties in Orthopedics
- Certified in Athletic Training, National Athletic Trainers Association
- Certified Mechanical Diagnosis and Therapy, McKenzie Institute
- Member, American Physical Therapy Association
- Member, National Athletics Trainers Association
Education:
- State University of New York at Buffalo, Buffalo, NY
- College of St. Scholastica, Duluth, MN
Specialty:
- Physical Therapy
Location:
Membership & Board Certification:
- Massachusetts Physical Therapy License
Education:
- Temple University: Philadelphia, PA
Specialty:
- Physical Therapy
Location:
- Northampton Health Center
Membership & Board Certification:
- Broad knowledge of physical therapy treatments and conditions.
- Specialized training in regional interdependence via certification in Selective Functional Movement Assessment, Levels 1 and 2.
- Certified Strength and Conditioning Specialist.
Education:
- SUNY Upstate Medical University, Syracuse, NY
- SUNY College at Geneseo, Geneseo, NY
Specialties


John B. Erskine, DPM, FACFAS, FACFAOM
GREGORY MURPHY, MD
Specialty:
- Podiatry
Location:
Membership & Board Certification:
- Board Cerified, American Board of Podiatric Surgery
- Board Certified, American Board of Podiatric Medicine
- Fellow American College of Foot & Ankle Surgeons
- Fellow American College of Foot & Ankle Orthopedics & Medicine
- American Podiatric Medical Association
- Massachusetts Podiatric Medical Association
Education:
- New York College of Podiatric Medicine, New York, NY
Specialty:
- Sports Medicine
Location:
Membership & Board Certification:
- American College of Sports Medicine
- American Medical Society for Sports Medicine
- American College of Emergency Physicians
- American Board of Emergency Medicine
- Certificate of Qualification in Sports Medicine
Education:
- Albany Medical College, Albany, NY
- Worcester Polytechnic Institute, Worcester, MA
Honors & Awards:
- Fellow American College of Emergency Physicians