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 140 of 264.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

The 8 largest groups in Worcester

  1. Behavior Technician1,487
  2. Students in training1,031
  3. Mental Health Counselor929
  4. Developmental Therapist741
  5. Clinical Social Worker611
  6. Counselor558
  7. Nurse Practitioner499
  8. Internal Medicine Physician448

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. Trhiginia LitwinskyBehavior Technician1750048831
  2. Brian Litzenberger, PH.D.Psychologist1992709448
  3. Andrew Liu, MDStudent in an Organized Health Care Education/Training Program1528819448
  4. Andrew LiuStudent in an Organized Health Care Education/Training Program1396692372
  5. Anqi Liu, MDStudent in an Organized Health Care Education/Training Program1457102626
  6. Dan LiuOphthalmology Physician1033565874
  7. Derrick LiuStudent in an Organized Health Care Education/Training Program1740121581
  8. Diana Liu, MDStudent in an Organized Health Care Education/Training Program1215677828
  9. Diana Liu, DOStudent in an Organized Health Care Education/Training Program1861245367
  10. Dongqi Liu, MDNephrology Physician1427580489
  11. Lucy Liu, MDObstetrics & Gynecology Physician1922412253
  12. Nancy Liu, M.D.Rheumatology Physician1265416531
  13. Arabella LiubaBehavior Technician1003568643
  14. Inna Liubovich, PH.DPsychologist1043377534
  15. Gregory LivanosOrthodontics and Dentofacial Orthopedics Dentistry1548454218
  16. Joseph LivingstonMental Health Counselor1124381272
  17. Natali LivingstonBehavior Technician1225767056
  18. Isabella LivoliBehavior Technician1780456772
  19. Brandon LlanosCounselor1477211464
  20. Mayra LlanosClinical Social Worker1255148961
  21. Andrea Llosa, PA-CPhysician Assistant1609186410
  22. Jenna LloydMental Health Counselor1609414762
  23. Keegan LloydBehavior Technician1578179719
  24. Mackenzie LloydBehavior Technician1669080701
  25. Marin Lloyd, MDStudent in an Organized Health Care Education/Training Program1861296832
  26. Hao Lo, M.D.Diagnostic Radiology Physician1538336565
  27. Kelly LoStudent in an Organized Health Care Education/Training Program1619818135
  28. Antonio Lobao, MDStudent in an Organized Health Care Education/Training Program1750085734
  29. Sarah LobbCounselor1922555754
  30. Kate Lobisser, PA-CPhysician Assistant1093521809
  31. Krislynn LoboBehavior Technician1033044144
  32. Janice Loboda, LHMCProfessional Counselor1992833180
  33. Kathryn Locantore, MASTER'S LEVELProfessional Counselor1477262517
  34. Joselda Loce, DENTAL HYGIENISTDental Hygienist1578223186
  35. Jane Lochrie, MDInternal Medicine Physician1306812391
  36. Christina LockeMental Health Counselor1174120950
  37. Larry Lockerman, DDSGeneral Practice Dentistry1700874344
  38. Donna LocontePhysical Therapist1174912497
  39. Matthew Loconte, MDEmergency Medicine Physician1316477672
  40. Kalie Lodowsky, PA-CPhysician Assistant1689113078
  41. Robert Lofquist, MAMental Health Counselor1790890101
  42. Timothy Loftus, PACPhysician Assistant1215522099
  43. Erin Logan, MS, SLPSpeech-Language Pathologist1528340361
  44. Robert Logano, CRNACertified Registered Nurse Anesthetist1477531804
  45. Jessica LohretStudent in an Organized Health Care Education/Training Program1396539185
  46. Valerie Loik Ramey, M.S.Genetic Counselor (M.S.)1255310926
  47. Orrine LoiseauDoula1659264034
  48. Gavin Loitsch, DOStudent in an Organized Health Care Education/Training Program1760232227
  49. Rohini LokeStudent in an Organized Health Care Education/Training Program1780385583
  50. Madaiah Lokeshwari, M.D.Hospitalist Physician1003091935

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.