Clinicians affiliated with Massachusetts General Physicians Organization Inc
3,558 clinicians on file with this group · most practice in Boston-Cambridge-Newton, MA-NH · PAC ID 2466365820
2,771 clinicians affiliated with Massachusetts General Physicians Organization Inc are in the 2024 Medicare Part B data, 2,106 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 (331) · Internal Medicine (250) · Diagnostic Radiology (166) · Physician Assistant (166) · Anesthesiology (149) · Neurology (141) · Certified Registered Nurse Anesthetist (CRNA) (101) · Cardiology (96) · Psychiatry (90) · Pathology (85) · Hematology-Oncology (81) · Emergency Medicine (79) · Hospitalist (76) · Physical Medicine and Rehabilitation (72) · Gastroenterology (71) · Endocrinology (57) · Infectious Disease (56) · General Surgery (52) · Medical Oncology (46) · Dermatology (43) · Psychologist, Clinical (42) · Nephrology (41) · Pulmonary Disease (41) · Orthopedic Surgery (39) · Obstetrics & Gynecology (38) · Radiation Oncology (36) · Critical Care (Intensivists) (24) · Hospice and Palliative Care (23) · Rheumatology (23) · Neurosurgery (22) · Urology (21) · Allergy/ Immunology (18) · Family Practice (17) · Clinical Cardiac Electrophysiology (16) · Thoracic Surgery (16) · Vascular Surgery (13) · Surgical Oncology (12) · Oral Surgery (Dentist only) (10) · Plastic and Reconstructive Surgery (10) · Advanced Heart Failure and Transplant Cardiology (9) · Geriatric Medicine (8) · Hematology (8) · Pediatric Medicine (8) · Interventional Cardiology (7) · Sports Medicine (7) · Adult Congenital Heart Disease (5) · Cardiac Surgery (5) · Pain Management (5) · Colorectal Surgery (Proctology) (4) · Licensed Clinical Social Worker (4) · Otolaryngology (4) · Podiatry (4) · Addiction Medicine (3) · Gynecological Oncology (3) · Hand Surgery (3) · Interventional Radiology (3) · Registered Dietitian or Nutrition Professional (3) · Certified Clinical Nurse Specialist (2) · Certified Nurse Midwife (1) · Interventional Pain Management (1) · Licensed Professional Counselor (1) · Maxillofacial Surgery (1) · Ophthalmology (1) · Preventive Medicine (1)
Specialty links go to the specialty in Boston-Cambridge-Newton, MA-NH.
Clinicians affiliated with Massachusetts General Physicians Organization Inc, 2024
Alphabetical by last name; 2,001–2,100 of 2,771.
| Name | Specialty | City |
|---|---|---|
| Alaka Ray, M.D. | Internal Medicine | Boston, MA |
| Mahdi Razafsha, MD | Psychiatry | Boston, MA |
| Shawn Reap, PA-C | Physician Assistant | Cambridge, MA |
| Haatem M Reda, MD | Neurology | Boston, MA |
| Bobby Reddy, M.D. | Dermatology | Boston, MA |
| Krishna P Reddy, MD | Pulmonary Disease | Boston, MA |
| Haley S Redstone | Nurse Practitioner | Boston, MA |
| Nicholas J Reed, PA-C | Physician Assistant | Boston, MA |
| Patricia L Reed, RN MS BC ANP ACNP | Nurse Practitioner | Wakefield, MA |
| Caitlin O Reen, NP | Nurse Practitioner | Boston, MA |
| Andrea E Reid, MD | Gastroenterology | Boston, MA |
| Arianna D Reilly, PA-C | Physician Assistant | Boston, MA |
| Julie D Reimann, MD, PHD | Pathology | Newton, MA |
| Mitchell S Rein, M.D. | Obstetrics & Gynecology | Danvers, MA |
| Raquel Rein, NP | Nurse Practitioner | Boston, MA |
| Claus Reinsberger, M.D., PH.D. | Neurology | Brookline, MA |
| Sarah Reis, PA-C | Physician Assistant | Boston, MA |
| Andrew T Reisner, MD | Emergency Medicine | Boston, MA |
| Rebecca Rejto | Physician Assistant | South Boston, MA |
| Nicole R Remare, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Boston, MA |
| Kristin E Remus, D.O. | Internal Medicine | Boston, MA |
| Katherine M Rendall, APRN | Nurse Practitioner | Boston, MA |
| Daniel Restrepo, MD | Hospitalist | Boston, MA |
| Judith A Restrepo, MD | Psychiatry | Boston, MA |
| Gabrielle Rex | Nurse Practitioner | Boston, MA |
| Kerry L Reynolds, MD | Medical Oncology | Boston, MA |
| Molly C Reynolds, FNP-BC | Nurse Practitioner | Boston, MA |
| Neguine Rezaii, M.D. | Neurology | Boston, MA |
| Mary K Rezendes | Certified Registered Nurse Anesthetist (CRNA) | Boston, MA |
| Eugene P Rhee, MD | Nephrology | Boston, MA |
| James Rhee, M.D., PH.D. | Anesthesiology | Boston, MA |
| Rocco Ricciardi, MD | Colorectal Surgery (Proctology) | Burlington, MA |
| Teresa C Rice, MD | General Surgery | Charleston, SC |
| Christopher J Richards, M.D. | Pulmonary Disease | Boston, MA |
| Lars C Richardson, MD | Sports Medicine | Brookline, MA |
| Laura Richardson | Psychologist, Clinical | Boston, MA |
| Robert M Richardson, MD, PHD | Neurosurgery | Boston, MA |
| James M Richter, MD | Gastroenterology | Boston, MA |
| Leonardo V Riella, M.D., PHD | Nephrology | Boston, MA |
| Erika H Riley, MD MPH | Internal Medicine | Boston, MA |
| Kyle J Riley, MD | Anesthesiology | Boston, MA |
| Patricia A Riley, APRN, BC | Nurse Practitioner | Boston, MA |
| Sandra P Rincon, MD | Diagnostic Radiology | Boston, MA |
| Shauna L Ring, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Boston, MA |
| Christine S Ritchie, MD | Hospice and Palliative Care | Boston, MA |
| Michelle M Ritchie, PA-C | Physician Assistant | Stoughton, MA |
| Jaime A Rivera, MD | General Surgery | Danvers, MA |
| Miguel N Rivera, M.D. | Pathology | Charlestown, MA |
| Robert Riviello, M.D., M.P.H. | General Surgery | Boston, MA |
| Caroline Rizzo | Physician Assistant | Boston, MA |
| Gregory K Robbins, M.D., M.P.H. | Infectious Disease | Boston, MA |
| Nathaniel M Robbins, M.D. | Neurology | Boston, MA |
| Hannah J Roberts, MD | Radiation Oncology | Boston, MA |
| Thomas J Roberts, MD,MBA | Medical Oncology | Boston, MA |
| Whitney S Roberts, C.R.N.A. | Certified Registered Nurse Anesthetist (CRNA) | Boston, MA |
| Blair A Robinson, MD MPH | Internal Medicine | Boston, MA |
| David M Robinson, MD | Physical Medicine and Rehabilitation | Charlestown, MA |
| Jill M Robinson, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Boston, MA |
| Tatiana C Rocha, M.D. | Diagnostic Radiology | Boston, MA |
| Renata Rocha De Almeida Bizzo, MD, MSC, PHD | Diagnostic Radiology | Boston, MA |
| Susana Rodrigues Vacas, M.D., PH.D. | Anesthesiology | Los Angeles, CA |
| Karen Rodriguez, M.D. | Diagnostic Radiology | Boston, MA |
| Ramon A Rodriguez, MD | Internal Medicine | Boston, MA |
| Josanna M Rodriguez-Lopez, M.D. | Pulmonary Disease | New York, NY |
| Amanda L Rogers, PA-C | Physician Assistant | Boston, MA |
| Ellen K Roh, MD | Dermatology | Boston, MA |
| Jason Roh, MD | Cardiology | Boston, MA |
| Saurabh Rohatgi, M.D | Diagnostic Radiology | Boston, MA |
| Kirollos Roman | Pediatric Medicine | Boston, MA |
| Mallory P Romaniuk, PA-C | Physician Assistant | Columbia, SC |
| Thomas Romano, DPT, PAC | Physician Assistant | Boston, MA |
| Javier M Romero, MD | Diagnostic Radiology | Boston, MA |
| Richard A Romero, MD | Internal Medicine | Belmont, MA |
| Sandra M Roque, MS, AGACNP-BC | Nurse Practitioner | Boston, MA |
| Guy A Rordorf, MD | Neurology | Boston, MA |
| Katherine C Rosa, PHD, FNP-BC | Nurse Practitioner | Boston, MA |
| Jonathan Rosand, MD, MSC | Neurology | Boston, MA |
| Herminia D Rosas, MD | Neurology | Boston, MA |
| Jerrold F Rosenbaum, MD | Psychiatry | Boston, MA |
| Darren C Rosenberg, DO | Physical Medicine and Rehabilitation | Framingham, MA |
| Jacob Rosenberg, MD,PHD | Infectious Disease | Boston, MA |
| Leah Rosenberg, M.D. | Hospice and Palliative Care | Boston, MA |
| Kenneth Rosenfield, M.D. | Cardiology | Boston, MA |
| Aron Rosenstock, M.D. | Hematology-Oncology | Houston, TX |
| Eric S Rosenthal, M.D. | Neurology | Boston, MA |
| Sara E Rose-Sauld, DPM | Podiatry | Waltham, MA |
| David A Rosman, M.D. | Diagnostic Radiology | Burlington, MA |
| Rachel P Rosovsky, MD | Hematology-Oncology | Boston, MA |
| Brendah Ross, CNP | Nurse Practitioner | Boston, MA |
| Douglas S Ross, MD | Endocrinology | Boston, MA |
| Natalia S Rost, MD | Neurology | Boston, MA |
| Elizabeth R Roth, M.D. | Internal Medicine | Boston, MA |
| Suzanne M Roth, MSN, APRN-BC, RNC | Nurse Practitioner | Cambridge, MA |
| Sherin J Rouhani, MD PHD | Medical Oncology | Boston, MA |
| Craig Rovito, M.D. | Physical Medicine and Rehabilitation | Charlestown, MA |
| Christina M Rowland, CNP | Nurse Practitioner | Danvers, MA |
| Michaela Rowland, NP | Nurse Practitioner | Boston, MA |
| Alexis T Roy, MD | Neurology | Boston, MA |
| Donna Roy, M.D. | Internal Medicine | Boston, MA |
| Flora Rozhansky, M.D. | Internal Medicine | Newton, MA |
Practice locations
Listed practice locations in Arkansas, California, Connecticut, District of Columbia, Florida, Georgia, Illinois, Massachusetts, Maryland, Michigan, Missouri, New Hampshire, Texas, Washington.
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