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 345 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. Karon InferreraRegistered Nurse1457726275
  2. Alexander Ing, MS CGCGenetic Counselor (M.S.)1073066262
  3. Melissa Ing, D.M.D.Dentist1609080670
  4. Robin Ingalls, M.D.Infectious Disease Physician1073590808
  5. Taylor IngberPhysician Assistant1811557689
  6. Kerin IngegneriPhysician Assistant1932947090
  7. Julie Ingelfinger, MDPediatric Nephrology Physician1801887252
  8. Edward Ingenito, MD PH DPulmonary Disease Physician1871602888
  9. Dana Ingersoll, M.A.Marriage & Family Therapist1578619136
  10. Jennifer Ingham, PMHNPPsychiatric/Mental Health Nurse Practitioner1336859552
  11. Matthew Ingham, M.D.Urology Physician1417242074
  12. Ignacio Inglessis-Azuaje, MDCardiovascular Disease Physician1134186927
  13. Abbie Ingram, P.A.-CMedical Art Specialist/Technologist1144491101
  14. Elizabeth Ingram, PAMedical Physician Assistant1639134471
  15. Kida Ingram, PHDClinical Psychologist1699178988
  16. Mallory Ingram, MA, LCPC, LMHC,R-DMTMental Health Counselor1275080293
  17. Natalie IngramStudent in an Organized Health Care Education/Training Program1316787146
  18. Kameron Melan Inguito, MDStudent in an Organized Health Care Education/Training Program1407795388
  19. Kara Inkeles, PA-CPhysician Assistant1851859458
  20. Lesley Inker, MDNephrology Physician1659482743
  21. Daniel InnamoratoStudent in an Organized Health Care Education/Training Program1093570632
  22. Charles Inniss, DPTPhysical Therapist1790925527
  23. Donovan InnissStudent in an Organized Health Care Education/Training Program1245099514
  24. Rachelle InnocentSchool Social Worker1750021002
  25. Natalie Inoue, DDSDentist1114413937
  26. Yasuaki Inoue, MDNeuroradiology Physician1023636149
  27. Marissa Inouye, MDStudent in an Organized Health Care Education/Training Program1720927437
  28. Sharon Inouye, M.D.Geriatric Medicine (Internal Medicine) Physician1396791943
  29. Christopher Inra, M.D., PH.D.Internal Medicine Physician1649701467
  30. Jennifer Inra, MDGastroenterology Physician1467611004
  31. Megan Insco, MD, PHDMedical Oncology Physician1063774412
  32. Barbara Inskeep, N.P.Adult Health Nurse Practitioner1689908626
  33. Robert Insoft, MDNeonatal-Perinatal Medicine Physician1144210311
  34. Rossella IntiniStudent in an Organized Health Care Education/Training Program1013499359
  35. Sunny Intwala, M.D.Cardiovascular Disease Physician1679835722
  36. Marianna IoannouStudent in an Organized Health Care Education/Training Program1235077322
  37. James Ioli, DPMPodiatrist1083699052
  38. Dan Iosifescu, MDPsychiatry Physician1831170687
  39. Patricia IottAcute Care Nurse Practitioner1538548409
  40. Vivian IovanelStudent in an Organized Health Care Education/Training Program1124722079
  41. Kit Ip, ODOptometrist1972768075
  42. Margaret Ip, R.D. L.D.N.Registered Dietitian1912193251
  43. Pui Yin Florence Ip, M.D.Anesthesiology Physician1366050858
  44. Sheila Ip, DOPediatrics Physician1659021616
  45. Stanley Ip, M.D.Pediatrics Physician1659594448
  46. Bediha Ipekci, MAPsychologist1275052797
  47. Rosann Ippolito, PA-CPhysician Assistant1932660446
  48. Aftab Iqbal, MDInternal Medicine Physician1518221373
  49. Kisa Iqbal, DDSGeneral Practice Dentistry1043832538
  50. Qasim IqbalPediatric Dentistry1922686971

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.