NPPES file of Aug 9, 2026

Doctors and health care providers in Worcester, MA

13,166 individual NPPES records list a practice address in Worcester, 2nd of 406 Massachusetts cities. The largest group is behavior technician: 1,487, 11% of the city's records, against 5% across Massachusetts. Page 173 of 264.

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

The 8 largest groups in Worcester

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

Worcester in Massachusetts

  • Rank in Massachusetts2nd of 406 cities by records
  • Share of the state6% of Massachusetts's records
  • Specialties present25 or more taxonomy codes
  • Top three groups26.2% of all records
  • Behavior Technician rank2nd of the 10 Massachusetts cities with the most

Compared with Massachusetts as a whole, Worcester has 2.4× the state's share of nurse practitioner records and 0.52× its share of physical therapist records.

Providers in Worcester, alphabetically

  1. Grace Ngumi, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1174137434
  2. May Nguy, M.D.Developmental - Behavioral Pediatrics Physician1639563877
  3. Amy NguyenBehavior Technician1881202539
  4. Angelina NguyenBehavior Technician1356149595
  5. Donna NguyenBehavior Technician1023624244
  6. Duy Nguyen, MDFamily Medicine Physician1336677863
  7. Emily NguyenBehavior Technician1891365094
  8. Eric NguyenPharmacist1194324442
  9. Hanh Nguyen, MDStudent in an Organized Health Care Education/Training Program1255125258
  10. Hau Nguyen, MDInternal Medicine Physician1578140646
  11. Hien Nguyen, BSCounselor1174733778
  12. Judy NguyenCounselor1144852286
  13. Kevin Nguyen, RPHPharmacist1871259309
  14. Khanh Nguyen, DODiagnostic Radiology Physician1548766645
  15. Lina NguyenCounselor1831058395
  16. Lisa NguyenMental Health Counselor1912635350
  17. Lisa NguyenStudent in an Organized Health Care Education/Training Program1225978224
  18. Melanie NguyenBehavior Technician1124913538
  19. Michael Nguyen, MDStudent in an Organized Health Care Education/Training Program1740084391
  20. Mindy Nguyen, DMDOrthodontics and Dentofacial Orthopedics Dentistry1962993899
  21. Nguyen Thao Nguyen, DDSGeneral Practice Dentistry1164946182
  22. Nicole Nguyen, MDStudent in an Organized Health Care Education/Training Program1013857341
  23. Niki Nguyen, PMHNPPsychiatric/Mental Health Nurse Practitioner1538919618
  24. Phat Nguyen, PHARMDPharmacist1427912690
  25. Phi Nguyen, DMDGeneral Practice Dentistry1164115226
  26. Que Nguyen, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1144492075
  27. Quynh NguyenBehavior Technician1265318315
  28. Sabrina Nguyen, D.M.DDentist1932553864
  29. Sean-Michael NguyenBehavior Technician1013679554
  30. Suong Nguyen, MDStudent in an Organized Health Care Education/Training Program1811494263
  31. Tammy Nguyen, M.D.Vascular Surgery Physician1356736839
  32. Thien Nguyen, RPHPharmacotherapy Pharmacist1750664058
  33. Thien NguyenInterpreter1639022338
  34. Thu Nguyen, LPNLicensed Practical Nurse1578767695
  35. Tiffany Nguyen, LACAcupuncturist1154291979
  36. Tommy Nguyen, RPHPharmacist1033712310
  37. Tony Nguyen, DOStudent in an Organized Health Care Education/Training Program1417650581
  38. Tracy NguyenSocial Worker1598116725
  39. Tram Nguyen, PHARMDPharmacist1063017671
  40. Joanne NhanNurse Practitioner1841691441
  41. Xuan NhanPharmacist1528663218
  42. Sam Nia, MDAnesthesiology Physician1407121445
  43. Faeze Niaraki, DMD, MSOrthodontics and Dentofacial Orthopedics Dentistry1659541928
  44. Nayson Niaraki, DMD, MSOrthodontics and Dentofacial Orthopedics Dentistry1750551024
  45. Erica Nicasio, M.D.Maternal & Fetal Medicine Physician1679992994
  46. Katherine Nicholas Malvey, LICSWSocial Worker1326377706
  47. Constance Nichols, MDEmergency Medicine Physician1619952264
  48. Jacqueline Nichols, MS, BCBA, LABADevelopmental Therapist1538701743
  49. Robert Nichols, LMHC LADCI CADACAddiction (Substance Use Disorder) Counselor1881700490
  50. Sophie Nichols, PA-CPhysician Assistant1730703208

The largest Massachusetts cities

  1. Boston41,865
  2. Springfield8,553
  3. Cambridge5,145
  4. Brockton4,287
  5. Milford3,459

All of Massachusetts →

How to read this directory

Worcester, Massachusetts appears in the CMS National Plan and Provider Enumeration System with 13,166 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 Worcester - 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 Worcester 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 Worcester is weighted toward Behavior Technician (1,487 clinicians, followed by Student in an Organized Health Care Education/Training Program with 1,031 and Mental Health Counselor with 929). 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, Worcester reports roughly 188 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.

For Worcester 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 Worcester, MA?

There are 13,166 registered healthcare providers in Worcester, MA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Worcester?

The most common specialties in Worcester are Behavior Technician, Student in an Organized Health Care Education/Training Program, Mental Health Counselor, Developmental Therapist, Clinical Social Worker. Behavior Technician has the most providers with 1,487.

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.