NPPES file of Aug 9, 2026

Doctors and health care providers in Boston, MA

41,865 individual NPPES records list a practice address in Boston, 1st of 406 Massachusetts cities. The largest group is students in training: 6,126, 15% of the city's records, against 5% across Massachusetts. Page 241 of 838.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Boston

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Boston in Massachusetts

  • Rank in Massachusetts1st of 406 cities by records
  • Share of the state19.1% of Massachusetts's records
  • Specialties present25 or more taxonomy codes
  • Top three groups24.7% of all records
  • Students in training rank1st of the 10 Massachusetts cities with the most

Compared with Massachusetts as a whole, Boston has 2.9× the state's share of student in an organized health care education/training program records and 0.23× its share of mental health counselor records.

Providers in Boston, alphabetically

  1. Sofia Fischer, M.D.Anesthesiology Physician1396994547
  2. Tara FischerClinical Social Worker1528557592
  3. Chanel Fischetti, MDEmergency Medicine Physician1275928830
  4. Airley Fish, M.D.Cardiovascular Disease Physician1275602310
  5. Guy Fish, M.D.Internal Medicine Physician1013955301
  6. Rebecca Fishbein, PTPhysical Therapist1851419691
  7. Anne Fishel, PHDPsychiatry Physician1326012055
  8. Alice Fisher, MDDiagnostic Radiology Physician1114125861
  9. David Fisher, MD PHDMedical Oncology Physician1598732752
  10. David Fisher, MDHematology (Internal Medicine) Physician1770542391
  11. Hailey Fisher, LCSWClinical Social Worker1043180664
  12. Herrick FisherInternal Medicine Physician1205284908
  13. Jennifer Fisher, PA-CPhysician Assistant1376016402
  14. Jonathan Fisher, M.D.Emergency Medicine Physician1437199973
  15. Kiera FisherRegistered Nurse1669881751
  16. Larry FisherAddiction (Substance Use Disorder) Counselor1437725249
  17. Lauren Fisher, PHDClinical Psychologist1386907905
  18. Lillian FisherPhysical Therapist1053179309
  19. Lisa Fisher, PH.D.Clinical Psychologist1316956188
  20. Mark Fisher, MD, MPHRheumatology Physician1932308244
  21. Melissa Fisher, M.A.Clinical Child & Adolescent Psychologist1295068401
  22. Naomi Fisher, MDEndocrinology, Diabetes & Metabolism Physician1770540072
  23. Rachel Fisher, LCSWClinical Social Worker1215612494
  24. Samuel Fisher, MDStudent in an Organized Health Care Education/Training Program1467392878
  25. Sara FisherPsychiatric/Mental Health Registered Nurse1154729234
  26. Jason Fisherman, M.D.Medical Oncology Physician1265557102
  27. Jane FishlerOphthalmology Physician1134370968
  28. Douglas Fishman, MDPediatric Gastroenterology Physician1912962168
  29. Emily FishmanPhysical Therapist1619622271
  30. Irina Fishman, M.D.Anesthesiology Physician1629331350
  31. Jay Fishman, MDInfectious Disease Physician1912988106
  32. Laurie Fishman, MDPediatric Gastroenterology Physician1053324400
  33. Leslie Fishman, PHDClinical Psychologist1174557599
  34. Martha Fishman, MDPediatric Pulmonology Physician1689764946
  35. Michael Fishman, M.D.Diagnostic Radiology Physician1205093366
  36. Michael Fishman, MDPediatrics Physician1558820860
  37. Steven Fishman, MDPediatric Surgery Physician1235164617
  38. Dayna FiskSpeech-Language Pathologist1205337193
  39. Patricia Fisk, CRNACertified Registered Nurse Anesthetist1346394178
  40. Katlin Fister, PA-CPhysician Assistant1215424189
  41. Angela Fitch, MDObesity Medicine (Internal Medicine) Physician1811945959
  42. Calvin Fitch, BAPsychologist1962937169
  43. Hayden FitchCase Manager/Care Coordinator1023715547
  44. Kathleen Fitch, MSN, NPNurse Practitioner1013045517
  45. Aaron FiteStudent in an Organized Health Care Education/Training Program1598518896
  46. Diana Fitek, PH.DClinical Psychologist1437408473
  47. Elyssa FitelsonCritical Care Medicine Nurse Practitioner1346616182
  48. Carrie Fittz, NPPediatric Nurse Practitioner1750466132
  49. Victoria Fitz, M.D.Reproductive Endocrinology Physician1801206651
  50. Wolfgang Fitz, MDOrthopaedic Surgery Physician1659325298

The largest Massachusetts cities

  1. Worcester13,166
  2. Springfield8,553
  3. Cambridge5,145
  4. Brockton4,287
  5. Milford3,459

All of Massachusetts →

How to read this directory

Boston, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 41,865 registered healthcare providers spanning 25 or more distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Boston - physicians, dentists, nurse practitioners, physician assistants, chiropractors, physical therapists, optometrists, psychologists, podiatrists, and every other credentialed provider type CMS tracks. It does not measure hospital beds, urgent-care capacity, or whether a given clinic is accepting new patients; it measures the pool of professionals with current NPI enrollment and a Boston practice location on file. Every figure is drawn from the federal National Provider Identifier Registry (CMS NPPES) - more than 7 million providers, maintained since May 2007, with 2024 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Boston is weighted toward Student in an Organized Health Care Education/Training Program (6,126 clinicians, followed by Internal Medicine Physician with 2,320 and Clinical Social Worker with 1,906). That distribution reflects how NPPES records specialty: providers self-select a primary taxonomy code, so a family physician who also practices geriatrics will show up under whichever NUCC code they registered first. Relative to Massachusetts's population, Boston reports roughly 598 providers per 100,000 residents using the state-level denominator, which is a rough proxy rather than a precise access-to-care measurement; the true catchment area of any {cityName} clinician extends beyond the municipal boundary.

Of Massachusetts's most common specialties, Counselor is the most prominent one with no provider currently listing a Boston practice address, a coverage gap Boston patients typically fill by traveling to a larger nearby hub.

For Boston patients, this directory is most useful as a starting shortlist. Important: PlainDoctor is a directory of publicly available CMS government data, not a review site, a ranking, or medical advice. NPPES data is self-reported and refreshed monthly; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients.

For informational purposes only; this directory is not medical advice and not a substitute for checking a license. See also: how to find a doctor and how to verify one.

Common questions

How many doctors are in Boston, MA?

There are 41,865 registered healthcare providers in Boston, MA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Boston?

The most common specialties in Boston are Student in an Organized Health Care Education/Training Program, Internal Medicine Physician, Clinical Social Worker, Physician Assistant, Anesthesiology Physician. Student in an Organized Health Care Education/Training Program has the most providers with 6,126.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov). Records are self-reported registrations, not licenses.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.