Clinicians affiliated with Umass Memorial Medical Group Inc

2,516 clinicians on file with this group · most practice in Worcester, MA · PAC ID 4284539891

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

2,130 clinicians affiliated with Umass Memorial Medical Group Inc are in the 2024 Medicare Part B data, 1,332 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Nurse Practitioner (337) · Internal Medicine (259) · Physician Assistant (238) · Certified Registered Nurse Anesthetist (CRNA) (179) · Family Practice (138) · Diagnostic Radiology (117) · Emergency Medicine (113) · Anesthesiology (93) · Neurology (54) · Psychiatry (45) · Cardiology (39) · Pulmonary Disease (35) · Obstetrics & Gynecology (33) · General Surgery (31) · Orthopedic Surgery (30) · Gastroenterology (29) · Hematology-Oncology (25) · Nephrology (24) · Pathology (24) · Hospitalist (23) · Infectious Disease (22) · Endocrinology (21) · Dermatology (17) · Rheumatology (17) · Urology (16) · Psychologist, Clinical (15) · Licensed Clinical Social Worker (13) · Radiation Oncology (11) · Otolaryngology (10) · Ophthalmology (9) · Physical Medicine and Rehabilitation (9) · Neurosurgery (8) · Vascular Surgery (8) · Geriatric Medicine (7) · Hospice and Palliative Care (7) · Interventional Radiology (6) · Clinical Cardiac Electrophysiology (5) · Colorectal Surgery (Proctology) (5) · Pediatric Medicine (5) · Plastic and Reconstructive Surgery (5) · Thoracic Surgery (5) · Certified Clinical Nurse Specialist (4) · Gynecological Oncology (4) · Podiatry (4) · Surgical Oncology (4) · Critical Care (Intensivists) (3) · Interventional Cardiology (3) · Optometry (3) · Sports Medicine (3) · Allergy/ Immunology (2) · Audiologist (2) · Hand Surgery (2) · Sleep Medicine (2) · Advanced Heart Failure and Transplant Cardiology (1) · Cardiac Surgery (1) · Certified Nurse Midwife (1) · Geriatric Psychiatry (1) · Licensed Professional Counselor (1) · Nuclear Medicine (1) · Registered Dietitian or Nutrition Professional (1)

Specialty links go to the specialty in Worcester, MA.

Clinicians affiliated with Umass Memorial Medical Group Inc, 2024

Alphabetical by last name; 701–800 of 2,130.

NameSpecialtyCity
Joseph J Gallant, M.D.Pulmonary DiseaseWorcester, MA
Gayle M Galletta, MDEmergency MedicineWorcester, MA
Heather L Gallo, M.D.Internal MedicineShrewsbury, MA
Jonathan J Gammel, MDEmergency MedicineWorcester, MA
Erik J Garcia, M.D.Internal MedicineWorcester, MA
Anne E Garrison, M.D.Obstetrics & GynecologyWorcester, MA
Lia R Garry, M.D.Emergency MedicineWorcester, MA
Elisabeth Garwood, MDDiagnostic RadiologyWorcester, MA
Romolo J Gaspari, MDEmergency MedicineWorcester, MA
Cristina A Gavala, MDInternal MedicineWorcester, MA
Kaitlyn Gavalchin, PA-CPhysician AssistantWorcester, MA
Ezioma O Gbujie, MDInternal MedicineBoston, MA
Elizabeth A Gebhard, D.OFamily PracticeMedway, MA
Brian R Gebhardt, M.D.AnesthesiologyWorcester, MA
Brenda J Geddis-Comrie, MDFamily PracticeCharlton, MA
Jessica A Gelb, PA-CPhysician AssistantWorcester, MA
Gennady Gelman, M.D.Family PracticeSturbridge, MA
Julie A Gemma, CRNACertified Registered Nurse Anesthetist (CRNA)Lincoln, RI
Kriselda T Genovese, CNPNurse PractitionerFranklin, MA
Bryon A Gentile, M.D.CardiologyWorcester, MA
Ben S GerberInternal MedicineChicago, IL
David S Gerson, MDDiagnostic RadiologyWorcester, MA
Ola GhaithDiagnostic RadiologyWorcester, MA
Abdulraouf G Ghandour, M.D.Family PracticeSutton, MA
Jeffery J Giarnese, P.A.Physician AssistantWorcester, MA
Dianna M Gibbs, CRNACertified Registered Nurse Anesthetist (CRNA)Worcester, MA
Julie A GilNurse PractitionerWorcester, MA
Justyna GilPhysician AssistantWorcester, MA
Jessica A Gill, PA-CPhysician AssistantWorcester, MA
Andrew J Gillis-Smith, M.D.Hematology-OncologyWorcester, MA
Nicole M Gilson, NPNurse PractitionerWorcester, MA
Elizabeth A Gingras, PAPhysician AssistantWorcester, MA
Sharon L Ginsberg, R.N.,C.N.P.Nurse PractitionerMilford, MA
Costas J Gioules, MDAnesthesiologyWorcester, MA
Nicole A Gioules, D.O.AnesthesiologyWorcester, MA
Tanya Girgenrath, MDEmergency MedicineWorcester, MA
Mitchell J Gitkind, M.D.GastroenterologyWorcester, MA
Elena Gkrouzman, MDRheumatologyWorcester, MA
Jay L Glaser, MDInternal MedicineLeominster, MA
Timothy P Gleeson, MDEmergency MedicineWorcester, MA
Kellie M Glenn, PA-CPhysician AssistantWorcester, MA
Richard P Goddeau, D.O.NeurologyWorcester, MA
Allison GoldCertified Registered Nurse Anesthetist (CRNA)Warwick, RI
Cheryl M Goldberg, CRNACertified Registered Nurse Anesthetist (CRNA)Boston, MA
Dori Goldberg, M.D.DermatologyWorcester, MA
Jeremy Golding, M.D.Family PracticeWorcester, MA
Alan Goldstein, MDDiagnostic RadiologyWorcester, MA
Yanina GolubchikInternal MedicineWestborough, MA
Brenda L Gonzalez, FNP-BCNurse PractitionerWorcester, MA
Laura P Gonzalez, CRNACertified Registered Nurse Anesthetist (CRNA)Houston, TX
Scott H Gonzalez, M.D.Geriatric PsychiatryClinton, MA
Jessica F Goonan, NPNurse PractitionerMilford, MA
Rachel M Gora, NPNurse PractitionerWorcester, MA
Jeffrey A Gordon, M.D.Hematology-OncologySouthbridge, MA
Thomas P Goss, M.D.Orthopedic SurgeryWorcester, MA
Matthew Gottbrecht, MDCardiologyWorcester, MA
Abigayle V Goudreau, DNPNurse PractitionerBrimfield, MA
Shea Goudreau, PA-CPhysician AssistantWorcester, MA
Robert A Goulart, MDPathologySpringfield, MA
Nivedita Gour, MDInternal MedicineWorcester, MA
Kartika Gourneni, M.D.Internal MedicineBrockton, MA
Nutan Gowda, M.D.DermatologyWorcester, MA
Piotr Grabias, M.D.Internal MedicineWebster, MA
Kristina D Gracey, M.D.Family PracticeWorcester, MA
Powell L Graham, MDEmergency MedicineWorcester, MA
Masilo A Grant, M.D.AnesthesiologyWorcester, MA
Ronald GrassoNurse PractitionerWorcester, MA
Brian J Greenberg, CNPNurse PractitionerWorcester, MA
Bruce A Greenberg, MDCritical Care (Intensivists)Worcester, MA
Jeffrey J Greenberg, MDDiagnostic RadiologyWorcester, MA
Thomas C Greenough, M.D.Infectious DiseaseWorcester, MA
Matthew R GreenwoodInternal MedicineWorcester, MA
Alexandria Gregory, MDEmergency MedicineMilford, MA
Conor F Grogan, MDInternal MedicineWorcester, MA
James R Grogan, PA-CPhysician AssistantWorcester, MA
Peter M Grzesik, DOAnesthesiologyWorcester, MA
Brittany L Guilmet, CRNACertified Registered Nurse Anesthetist (CRNA)Worcester, MA
Isha Gujrathi, MDDiagnostic RadiologyWorcester, MA
Rahul Gujrathi, MDDiagnostic RadiologyBoston, MA
Mary Gulla, M.D.Internal MedicineSutton, MA
Kathryn A Gunness, N.P.Nurse PractitionerMilford, MA
Aanchal Gupta, MBBSInfectious DiseaseWorcester, MA
Sumit GuptaDiagnostic RadiologyBoston, MA
Lindsey A Gurry, CNPNurse PractitionerWorcester, MA
Lisa S Gussak, M.D.Family PracticeWorcester, MA
Heather Gustafson, PA-CPhysician AssistantWestborough, MA
Stephen M Gutting, M.D.NeurosurgeryWorcester, MA
Karapet Guyumdzhyan, CRNACertified Registered Nurse Anesthetist (CRNA)Waltham, MA
Rebecca Gwaltney, MDFamily PracticeWorcester, MA
Abigail Gyamfi, MDFamily PracticeLeominster, MA
Richard A Haas, M.D.EndocrinologyWorcester, MA
Farajallah E Habib, MDAnesthesiologyWorcester, MA
Omar Hadzipasic, MDInternal MedicineWorcester, MA
Molly J Hageman, PA-CPhysician AssistantWorcester, MA
Stefanie Hagopian, RNNurse PractitionerWorcester, MA
Nicholas M Hajj, M.D.Family PracticeBarre, MA
Cynthia D Hall, M.D.Obstetrics & GynecologyWorcester, MA
Jason T Hall, CRNACertified Registered Nurse Anesthetist (CRNA)Birmingham, AL
Michael J Hall, MDEmergency MedicineWorcester, MA
Wiley R Hall, M.D.NeurologyWorcester, MA

Practice locations

Listed practice locations in Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Kansas, Massachusetts, Maryland, Maine, Minnesota, Missouri, Mississippi, North Carolina, New Hampshire, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Virginia.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations