NPPES file of Aug 9, 2026

Doctors and health care providers in Cambridge, MA

5,145 individual NPPES records list a practice address in Cambridge, 4th of 406 Massachusetts cities. The largest group is clinical social worker: 545, 11% of the city's records, against 8% across Massachusetts. Page 85 of 103.

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

The 8 largest groups in Cambridge

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

Cambridge in Massachusetts

  • Rank in Massachusetts4th of 406 cities by records
  • Share of the state2.3% of Massachusetts's records
  • Specialties present25 or more taxonomy codes
  • Top three groups22.6% of all records
  • Clinical Social Worker rank4th of the 10 Massachusetts cities with the most

Compared with Massachusetts as a whole, Cambridge has 4.1× the state's share of advanced practice midwife records and 0.56× its share of speech-language pathologist records.

Providers in Cambridge, alphabetically

  1. Vanessa Seibald, LICSWClinical Social Worker1497237218
  2. Rachel Seidel, M.D.Psychiatry Physician1366464984
  3. Jeannie Seidler, LICSWClinical Social Worker1609837137
  4. Ethan Seidman, PH.D.Clinical Psychologist1518027564
  5. Alexandra SeigiesPsychologist1801590294
  6. Margot Seligman, O.D.Optometrist1528120524
  7. Sabrina Selim, M.D.Family Medicine Physician1760602114
  8. William Sellers, M.D.Internal Medicine Physician1386770972
  9. Michel Selva, PSY.D.Clinical Psychologist1932403060
  10. Kristin Semmelmeyer, PSY.D.Psychologist1942413570
  11. Gunjan Senapati, M.D.Internal Medicine Physician1851523195
  12. Jessica SeneeLicensed Practical Nurse1003589375
  13. Jessica Senesi, NPAdult Health Nurse Practitioner1689812372
  14. On Seng, NP-CFamily Nurse Practitioner1992358162
  15. Veri Seo, MD, MSCStudent in an Organized Health Care Education/Training Program1356045785
  16. Jonathan Sepulveda, LMHCStudent in an Organized Health Care Education/Training Program1619403722
  17. Joseph Sequeira, MDDiagnostic Radiology Physician1982771648
  18. Hezha Seradji Aghdam, MDHospitalist Physician1821617010
  19. John Servinskas, PSY.D.Psychologist1972098168
  20. Niti Seth, ED.D.Clinical Psychologist1972565208
  21. Mia SgambotiPharmacist1871217182
  22. Ehsan Shabahang, PHD, LMHC, NCCCounselor1720739824
  23. Joshua Shabani, M.D.Psychiatry Physician1083913545
  24. Anatoli Shabashov, M.D.Diagnostic Radiology Physician1144277831
  25. Lily Shaffer, CNM, WHNP-BCAdvanced Practice Midwife1538802046
  26. Bianca Shagrin, MDPediatrics Physician1982621975
  27. Asha ShahFamily Medicine Physician1700267085
  28. Mokshvi ShahMental Health Counselor1316899610
  29. Parin Shah, PHARMDPharmacist1336613702
  30. Sahar ShahnaziMental Health Counselor1588436471
  31. Danielle Shaked, PHDClinical Psychologist1225795784
  32. Anatoly Shalnov, M.D.Physical Medicine & Rehabilitation Physician1902844327
  33. Mohamed Shamseddine, PHARMDPharmacist1457955270
  34. Colleen Shannon, LICSWClinical Social Worker1194157644
  35. Patrick Shannon, D.M.D.Periodontics1184937682
  36. Weiru Shao, MDOtolaryngology Physician1164534343
  37. Debra Shapiro, MDInternal Medicine Physician1194775262
  38. Mark Shapiro, M.D.Gastroenterology Physician1437281300
  39. Stephanie Shapiro, M.D.Internal Medicine Physician1487693487
  40. Tannaz Shapurian, DMD, MSPeriodontics1467535690
  41. Jennifer Shark, CNMMidwife1205004793
  42. Nancy Sharkey-Fox, FNPNurse Practitioner1255340154
  43. Jane Sharp, MDObstetrics & Gynecology Physician1013926633
  44. Janice SharpeCounselor1427430115
  45. Edward Shashoua, D.O.Internal Medicine Physician1811916802
  46. Jennifer Shaw, LICSWClinical Social Worker1083732408
  47. Joseph Shay, PHDClinical Psychologist1831167980
  48. Caroline Sheahan, LICSWClinical Social Worker1205541836
  49. Md Sheikh, MDFamily Medicine Physician1013361906
  50. Sana Sheikh, PHDStudent in an Organized Health Care Education/Training Program1225431075

The largest Massachusetts cities

  1. Boston41,865
  2. Worcester13,166
  3. Springfield8,553
  4. Brockton4,287
  5. Milford3,459

All of Massachusetts →

How to read this directory

Cambridge, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 5,145 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 Cambridge - 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 Cambridge 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 Cambridge is weighted toward Clinical Social Worker (545 clinicians, followed by Student in an Organized Health Care Education/Training Program with 319 and Internal Medicine Physician with 300). 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, Cambridge reports roughly 73.5 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, Behavior Technician is the most prominent one with no provider currently listing a Cambridge practice address, a coverage gap Cambridge patients typically fill by traveling to a larger nearby hub.

For Cambridge 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 Cambridge, MA?

There are 5,145 registered healthcare providers in Cambridge, MA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Cambridge?

The most common specialties in Cambridge are Clinical Social Worker, Student in an Organized Health Care Education/Training Program, Internal Medicine Physician, Mental Health Counselor, Social Worker. Clinical Social Worker has the most providers with 545.

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.