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 148 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. Andrew Clark, MDAnesthesiology Physician1043889439
  2. Andrew ClarkPhysician Assistant1972491801
  3. Avery ClarkEmergency Medicine Physician1326433806
  4. Caitlin Clark, LCSWClinical Social Worker1447865894
  5. Catherine Clark, PSYDClinical Psychologist1548817679
  6. Christopher Clark, PAPhysician Assistant1528392313
  7. David Clark, LICSW, MPHClinical Social Worker1386712453
  8. Devin Clark, MDInternal Medicine Physician1144653700
  9. Donna Clark, NPNurse Practitioner1720318140
  10. Dylan Clark, STUDENTCertified Registered Nurse Anesthetist1104530930
  11. Eric ClarkSocial Worker1740752260
  12. Haley Clark, DOPediatrics Physician1518662311
  13. Hannah Clark, PAPhysician Assistant1457052029
  14. Jacqueline Clark, ATC, CSCSAthletic Trainer1336552629
  15. Jeffrey Clark, MDMedical Oncology Physician1710951751
  16. John ClarkHematology & Oncology Physician1871550244
  17. Joshua ClarkFamily Nurse Practitioner1902265143
  18. Karen ClarkPharmacy Technician1154331890
  19. Karen ClarkPhysical Therapist1083251276
  20. Kelley Clark, PA-CPhysician Assistant1194004069
  21. Kelly ClarkAcute Care Nurse Practitioner1952727414
  22. Kevin Clark, PA-CPhysician Assistant1790454726
  23. Leslie Clark, NPAdult Health Nurse Practitioner1700938982
  24. Leslie ClarkPharmacist1467646224
  25. Marilyn Clark, M.D.Internal Medicine Physician1164534624
  26. Megan Clark, NPAcute Care Nurse Practitioner1710530050
  27. Meghan Clark, D.M.D.General Practice Dentistry1043418197
  28. Monina Clark, CRNACertified Registered Nurse Anesthetist1972774396
  29. Nisse Clark, M.D.Gynecology Physician1982967105
  30. Oliver Clark, MB BCH BAOInternal Medicine Physician1942887641
  31. Roger Clark, D.O.Infectious Disease Physician1235181140
  32. Samantha ClarkClinical Social Worker1205563590
  33. Stephen Clark, DPT, MS, ATC, CSCSPhysical Therapist1396000998
  34. Timothy Clark, M.D.Psychiatry Physician1053517235
  35. Jakayla Clark-FosterBehavior Technician1740937275
  36. Asha Clarke, MDPediatric Anesthesiology Physician1912356031
  37. Giselle ClarkeGeneral Practice Dentistry1922703800
  38. Hillary Clarke, PA-CMedical Physician Assistant1619488368
  39. Katherine Clarke, LCSWSocial Worker1356091433
  40. Kayla Clarke, RD, LDNMetabolic Nutrition Registered Dietitian1437974086
  41. Maureen Clarke, M.D.Diagnostic Radiology Physician1891751855
  42. Molly ClarkePediatrics Physician1881154656
  43. Paul Clarke, MSMental Health Counselor1225276819
  44. Peter Clarke, MDDiagnostic Radiology Physician1275516676
  45. Rachel Clarke, APRNGerontology Nurse Practitioner1174950331
  46. Ramona ClarkeBehavior Technician1003592965
  47. William Clarke, MDPediatric Anesthesiology Physician1699907485
  48. Yvonne Clarke, PA-CPhysician Assistant1841916400
  49. Zoe ClarkinRegistered Nurse1245190776
  50. Masuka ClaryMental Health Counselor1548762685

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.