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; 1,301–1,400 of 2,771.
| Name | Specialty | City |
|---|---|---|
| Rebecca M Kwait, M.D. | General Surgery | Exeter, NH |
| Jean Kwo, MD | Critical Care (Intensivists) | Boston, MA |
| Deborah S Kwolek, M.D. | Internal Medicine | Boston, MA |
| Douglas Kwon, M.D., PH.D. | Infectious Disease | Boston, MA |
| John Y Kwon, MD | Orthopedic Surgery | Boston, MA |
| Young-Min Kwon, MBBS | Orthopedic Surgery | Boston, MA |
| Mindy Kwong, NP | Nurse Practitioner | Boston, MA |
| Kevin J Kyle, MB BCH | Neurology | Boston, MA |
| Stanley Laforest, CRNA | Certified Registered Nurse Anesthetist (CRNA) | Boston, MA |
| Brittany J Lagarce | Nurse Practitioner | Boston, MA |
| Florence Lai, MD | Neurology | Belmont, MA |
| Peggy S Lai, M.D. | Pulmonary Disease | Dallas, TX |
| Yvonne Y Lai, M.D. | Anesthesiology | Boston, MA |
| Albert Q Lam, M.D. | Nephrology | Boston, MA |
| Alice Lam | Neurology | Boston, MA |
| Cindy Lam, PA-C | Physician Assistant | Boston, MA |
| Sophal Lam, NP | Nurse Practitioner | Springfield, MA |
| Leslie R Lamb, MD | Diagnostic Radiology | Boston, MA |
| Eugene Lambert, MD | Hospitalist | Brooklyn, NY |
| Jeffrey S Lamont, MD | Urology | Newton, MA |
| Megan Lampron, PA-C | Physician Assistant | Foxborough, MA |
| Kasi Lampropoulos | Nurse Practitioner | Boston, MA |
| Evelyn Lamuraglia, CNP | Nurse Practitioner | Boston, MA |
| Glenn M Lamuraglia, MD | Vascular Surgery | Boston, MA |
| Adam S Landsman, DPM, PHD | Podiatry | Boston, MA |
| Nathaniel B Langer, MD | Thoracic Surgery | Boston, MA |
| Dante Lantin, MD | Family Practice | Dorchester, MA |
| Michael Lanuti, MD | Thoracic Surgery | Boston, MA |
| Jennie Lareau | Nurse Practitioner | Boston, MA |
| Dana L Larimer | Certified Registered Nurse Anesthetist (CRNA) | Boston, MA |
| Regina C Larocque, MD MPH | Infectious Disease | Boston, MA |
| Rebecca Larosa, NP | Nurse Practitioner | Boston, MA |
| Lisa R Larowe, PHD | Psychologist, Clinical | Boston, MA |
| Emily S Lau, MD | Internal Medicine | Boston, MA |
| Trevin C Lau, M.D. | Obstetrics & Gynecology | Boston, MA |
| Jason R Lauer, M.D. | Diagnostic Radiology | Boston, MA |
| Kelsey S Lau-Min, MD | Medical Oncology | Boston, MA |
| Jennifer M Lauretti-Robbins, PHD | Psychologist, Clinical | Worcester, MA |
| Matthew J Lavallee | Physician Assistant | Boston, MA |
| Kathleen Lavoie, FNP-C | Nurse Practitioner | Boston, MA |
| Cindy C Law, MD | Gastroenterology | Boston, MA |
| Emily R Lawler, PA-C | Physician Assistant | Boston, MA |
| James N Lawrason, MD | Diagnostic Radiology | Boston, MA |
| Donald P Lawrence, MD | Hematology-Oncology | Boston, MA |
| Elizabeth A Lawson, MD | Endocrinology | Boston, MA |
| Jacob E Lazarus, MD, PHD | Infectious Disease | Boston, MA |
| Helen N Le, P.A.-C. | Physician Assistant | Boston, MA |
| Hien Le, MD | Hospitalist | Boston, MA |
| Long P Le, MD, PHD | Pathology | Boston, MA |
| Minh-Phuong T Le | Internal Medicine | Boston, MA |
| David M Leander, MD | Internal Medicine | Saint Louis, MO |
| Shawn C Lear, PA | Physician Assistant | Norwalk, CT |
| Christopher P Learn, M.D. | Adult Congenital Heart Disease | Boston, MA |
| Laura W Leclair, RN | Nurse Practitioner | Boston, MA |
| Monty S Ledbetter, MD | Diagnostic Radiology | Boston, MA |
| Benjamin Z Leder, MD | Endocrinology | Boston, MA |
| Annie A Lee, M.D. | Internal Medicine | Boston, MA |
| Clement Lee | Hospitalist | Boston, MA |
| Deborah S Lee | Geriatric Medicine | Boston, MA |
| Grace C Lee, MD | General Surgery | Boston, MA |
| Jarone Lee, MD MPH | Emergency Medicine | Boston, MA |
| Joel Lee, PA-C | Physician Assistant | Boston, MA |
| Johanna M Lee, MD | Anesthesiology | Boston, MA |
| Lyndon K Lee, MD | Hospitalist | Boston, MA |
| Michael C Lee, MD | Urology | Boston, MA |
| Michelle H Lee, M.D. | Hematology-Oncology | Danvers, MA |
| Rebecca Lee, PA-C | Physician Assistant | Boston, MA |
| Richard J Lee, MD PHD | Hematology-Oncology | Boston, MA |
| Sarah A Lee, M.D. | Anesthesiology | Miami, FL |
| Yong-Tae Lee, M.D. | Physical Medicine and Rehabilitation | Boston, MA |
| Isabel Legarda | Anesthesiology | Fitchburg, MA |
| Constance D Lehman, MD PHD | Diagnostic Radiology | Seattle, WA |
| Mark Leick, MD | Medical Oncology | Boston, MA |
| Ellen M Leitman, MD, PHD | Diagnostic Radiology | Boston, MA |
| Peggy A Leland, NP | Nurse Practitioner | Boston, MA |
| Jacob E Lemieux, MD | Infectious Disease | Boston, MA |
| Emily Lemon | Nurse Practitioner | Boston, MA |
| Susan M Lemus, NP | Nurse Practitioner | Boston, MA |
| Aaron S Leong | Endocrinology | Boston, MA |
| Patrick Leong, DO | Family Practice | Somerville, MA |
| Jonathan A Lerner, PH.D. | Psychologist, Clinical | Boston, MA |
| Andree M Leroy, M.D. | Physical Medicine and Rehabilitation | Los Angeles, CA |
| Melinda J Lerwill, MD | Pathology | Boston, MA |
| Erica H Lescinskas, MD | Internal Medicine | Boston, MA |
| Tyler N Lescure, MD | Internal Medicine | Boston, MA |
| Lisa S Leslie, MD | Emergency Medicine | Boston, MA |
| Ethan G Lester, PHD | Psychologist, Clinical | Boston, MA |
| William T Lester, MD | Internal Medicine | Boston, MA |
| Allison S Letica-Kriegel, MD | General Surgery | Boston, MA |
| Alyssa R Letourneau, MD | Infectious Disease | Boston, MA |
| Howard J Leung, MD | Hospitalist | Brighton, MA |
| Michael H Lev, MD | Diagnostic Radiology | Boston, MA |
| Rebecca J Leval, MD, MPH | Psychiatry | Boston, MA |
| Yakir Levin, MD, PHD | Dermatology | Boston, MA |
| Michael Levy, M.D., PH.D. | Neurology | Boston, MA |
| Jason Lew, DO | Physical Medicine and Rehabilitation | Boston, MA |
| David Lewandowski, M.D. | Emergency Medicine | Jamaica Plain, MA |
| Erin Lewis, APRN | Nurse Practitioner | Boston, MA |
| Gregory D Lewis, MD | Advanced Heart Failure and Transplant Cardiology | Boston, MA |
| Julie M Lewis, PSYD | Psychologist, Clinical | Charlestown, 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