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 236 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. Fiona Fennessy, MDDiagnostic Radiology Physician1548246762
  2. Sarah FennoStudent in an Organized Health Care Education/Training Program1316748643
  3. Timothy Fensky, RPHPharmacist1366048241
  4. Gregory Fenton, M.D.Internal Medicine Physician1841272846
  5. Jenna Fenton, AUDAudiologist1083223689
  6. Marguerite Fenwood, LCSWSocial Worker1306379516
  7. Nicholas Feola, PHARMDPharmacist1245591551
  8. Erin Fera, FNPNurse Practitioner1235355678
  9. Liliana Fera, NP-CPrimary Care Nurse Practitioner1861862153
  10. Angela Feraco, MDPediatric Hematology & Oncology Physician1346478757
  11. Lisa Ferazzoli, RPA-CPhysician Assistant1104070911
  12. Cindy Ferch, NPAcute Care Nurse Practitioner1538406350
  13. Chowdhury Ferdous, MDObesity Medicine (Internal Medicine) Physician1801006507
  14. Kevin Ferenchak, M.D.Ophthalmology Physician1417368648
  15. Emily Ferenczi, BM B CHNeurology Physician1194106609
  16. Christina FergistePsychiatric/Mental Health Nurse Practitioner1679424048
  17. Ashley Ferguson, LICSWClinical Social Worker1407807076
  18. Chantal FergusonStudent in an Organized Health Care Education/Training Program1801590534
  19. Charles Ferguson, MDSurgery Physician1194716746
  20. Gary Ferguson, M.D.Orthopaedic Surgery Physician1417997743
  21. Janet-Schmiege Ferguson, MSN, RNContinuing Education/Staff Development Registered Nurse1073754792
  22. Lee Ferguson, MBCHBPediatric Anesthesiology Physician1407377914
  23. Melissa Ferguson, DMDDentist1912523366
  24. Michael Ferguson, M.D.Pediatric Nephrology Physician1699712646
  25. Shenyece FergusonStudent in an Organized Health Care Education/Training Program1194410357
  26. Tasha Ferguson, LMHCMental Health Counselor1649435173
  27. Kathryn Ferlisi, LMHCMental Health Counselor1598245581
  28. Roberta Fern, NPAdult Health Nurse Practitioner1558454306
  29. Alberta FernandesRegistered Nurse1891196960
  30. Dellano Fernandes, M.D.Diagnostic Radiology Physician1184933202
  31. Djanira Fernandes, MDStudent in an Organized Health Care Education/Training Program1578202826
  32. Irene FernandesEndodontics1952785230
  33. Mariolino Fernandes, PA-CPhysician Assistant1275094310
  34. Sara FernandesSchool Social Worker1821293234
  35. Sonia Fernandes, RNRegistered Nurse1932873338
  36. Vanessa Fernandes, FNP-BCFamily Nurse Practitioner1548630130
  37. Zuleica FernandesBehavior Technician1053034488
  38. Andrew Fernandez, DDSDentist1235817610
  39. Annel Fernandez, MDStudent in an Organized Health Care Education/Training Program1538800552
  40. Isamar FernandezStudent in an Organized Health Care Education/Training Program1477498459
  41. Ivan FernandezPharmacist1215872155
  42. Jon FernandezDentist1053179325
  43. Jorge Fernandez, MSW, LICSWClinical Social Worker1285123950
  44. Juliet Fernandez, M.D.Anesthesiology Physician1093007692
  45. Leonor Fernandez, M.D.Internal Medicine Physician1316049737
  46. Valentina FernandezSocial Worker1023938081
  47. Jose Fernandez Abinader, M.D.Neurological Surgery Physician1902154701
  48. Isabella Fernandez CaprilesStudent in an Organized Health Care Education/Training Program1346041662
  49. Carlos Fernandez Robles, MDPsychiatry Physician1750584736
  50. Patricia Fernandez VilanovaMental Health Counselor1902750631

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.