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 56 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. Eric BarretoStudent in an Organized Health Care Education/Training Program1801639380
  2. Jessica Barreto Guacaneme, M.D.Pediatric Critical Care Medicine Physician1609259159
  3. Alison Barrett, MDInternal Medicine Physician1699527523
  4. Andrea Barrett, PAPhysician Assistant1619933090
  5. Christopher Barrett, M.D.Surgery Physician1679836969
  6. Conor Barrett, MDClinical Cardiac Electrophysiology Physician1548434517
  7. Courtney Barrett, PA-CEmergency Medicine Physician1093413791
  8. Dashawnda BarrettDoula1396627444
  9. Elizabeth BarrettCounselor1871256016
  10. Gregory BarrettMental Health Counselor1952083800
  11. Heather BarrettAdult Health Nurse Practitioner1770183279
  12. Jake Barrett, MDStudent in an Organized Health Care Education/Training Program1003566191
  13. Jefferson Barrett, M.D.Pediatric Emergency Medicine (Pediatrics) Physician1629481643
  14. Jessica Barrett, PAPhysician Assistant1306472881
  15. Julia Barrett, PA-CPhysician Assistant1124907241
  16. Kristen Barrett, FNP-CFamily Nurse Practitioner1427603851
  17. Laurel Barrett, M.D.Emergency Medicine Physician1487897716
  18. Marie Barrett, PH.D.Clinical Psychologist1033753736
  19. Patrick Barrett, PA-CUrology Physician1063921328
  20. Ramy Barrett, M.DMental Health Counselor1720536568
  21. Katelee Barrett Mueller, MD,PHDPediatrics Physician1285162057
  22. Ryan Barrette, MDStudent in an Organized Health Care Education/Training Program1669049789
  23. Jose BarriaPharmacist1285092684
  24. Katrina Barrientos, PHARMDPharmacist1659988681
  25. Mirian Barrientos, NP, MSN, MPHGerontology Nurse Practitioner1063964245
  26. Camila Barrientos BetancurCase Manager/Care Coordinator1215614821
  27. Victoria BarrierClinical Social Worker1922979368
  28. David BarriosStudent in an Organized Health Care Education/Training Program1215753686
  29. Sheyla BarriosCase Manager/Care Coordinator1174359723
  30. Wenmar Barrios, DMDDentist1710790332
  31. Glen Barrisford, MDUrology Physician1457428724
  32. Brittney BarronNurse Practitioner1629600390
  33. Laurence Barron, DMDDentist1093213670
  34. Loretta Barron, NPAdult Health Nurse Practitioner1982769113
  35. Susan Barron, PH.D.Clinical Neuropsychologist1750598553
  36. Jessica BarrosMental Health Counselor1083265862
  37. Lauren Barros, FNPFamily Nurse Practitioner1427404144
  38. Maria Barros, PMHNPPsychiatric/Mental Health Nurse Practitioner1700135316
  39. Sebastian BarrosStudent in an Organized Health Care Education/Training Program1215723945
  40. Romualdo Barroso De Sousa, MD,PHDStudent in an Organized Health Care Education/Training Program1134577562
  41. Tiago Barroso Vieira CostaStudent in an Organized Health Care Education/Training Program1407427743
  42. Taylor BarrowStudent in an Organized Health Care Education/Training Program1417759671
  43. Virginia Barrow, M.D.Internal Medicine Physician1639175466
  44. Emma Barrows, LICSWClinical Social Worker1619424645
  45. Mariah Barrows, NP-CGerontology Nurse Practitioner1821649153
  46. Andrea Barruch, M.ED BCBA LABABehavior Analyst1962872051
  47. Amanda Barry, PT, DPT, LAT, ATCPhysical Therapist1467991653
  48. Brenda Barry, M.S., C.G.C.Genetic Counselor (M.S.)1922033703
  49. Danielle BarryNurse Practitioner1619300449
  50. Elly Barry, MDPediatric Hematology & Oncology Physician1740257427

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.