NPPES file of Aug 9, 2026

Doctors and health care providers in Lancaster, CA

4,273 individual NPPES records list a practice address in Lancaster, 49th of 812 California cities. The largest group is behavior technician: 436, 10% of the city's records, against 18% across California. Page 84 of 86.

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).

Lancaster in California

  • Rank in California49th of 812 cities by records
  • Share of the state0.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups24.6% of all records

Compared with California as a whole, Lancaster has 4.5× the state's share of peer specialist records and 0.56× its share of physical therapist records.

Providers in Lancaster, alphabetically

  1. Babylyn WilliamsLicensed Vocational Nurse1366127797
  2. Colbert Williams, M.S.W., L.C.S.W.Clinical Social Worker1366638678
  3. Cristina WilliamsDay Training/Habilitation Specialist1629269204
  4. Dana WilliamsBehavior Technician1285492967
  5. Dawn Williams, SLPSpeech-Language Pathologist1760319669
  6. Ebony Williams, LMFTMarriage & Family Therapist1386055036
  7. Frank WilliamsPastoral Counselor1891134391
  8. Freddie Williams, LMFTMarriage & Family Therapist1235430596
  9. Jeff Williams, D.C.Chiropractor1740508258
  10. Jennie Williams, LCSWClinical Social Worker1851520654
  11. Kathryn Williams, NRCMA, NASM-CNCHealth & Wellness Coach1225828759
  12. Laneishe WilliamsAddiction (Substance Use Disorder) Counselor1639702756
  13. Laura WilliamsClinical Social Worker1245091081
  14. Lynora WilliamsAddiction (Substance Use Disorder) Counselor1568339083
  15. Matthew WilliamsBehavior Technician1811547243
  16. Sara WilliamsClinical Social Worker1275218828
  17. Shanara WilliamsCommunity Health Worker1508583469
  18. Shaneta WilliamsClinical Social Worker1497398515
  19. Shinique WilliamsOther Specialist/Technologist1427511138
  20. Tenae WilliamsBehavior Technician1265146138
  21. Titima Williams, D.C.Chiropractor1437142650
  22. Torreon WilliamsDay Training/Habilitation Specialist1497692479
  23. Destinie WilliamsonStudent in an Organized Health Care Education/Training Program1215603063
  24. Amy Wilson, NPNurse Practitioner1437775657
  25. Antwain WilsonMental Health Counselor1114320611
  26. Christian WilsonAddiction (Substance Use Disorder) Counselor1619890951
  27. Darah Wilson, FNPFamily Nurse Practitioner1366952244
  28. Ebony Wilson, LCSWClinical Social Worker1346808292
  29. Jake WilsonEmergency Medicine Physician1700203023
  30. Jamie WilsonAddiction (Substance Use Disorder) Counselor1770055808
  31. Julian Wilson, DDS, FACSOral and Maxillofacial Surgery (Dentist)1336379056
  32. Kendra WilsonMarriage & Family Therapist1336551480
  33. Peter WilsonCase Manager/Care Coordinator1871978445
  34. Valerie WilsonMental Health Counselor1609073808
  35. Khin Win, M.D.Internal Medicine Physician1831209998
  36. Zin Win, M.D.Internal Medicine Physician1063761740
  37. Sharicka WindomRehabilitation Practitioner1912499302
  38. Avis WinstonRehabilitation Practitioner1548449291
  39. Chelsea WinstonStudent in an Organized Health Care Education/Training Program1720744196
  40. Della WinterPeer Specialist1649105776
  41. Nicholas WolfStudent in an Organized Health Care Education/Training Program1508517525
  42. Randall Wolfe, CRTHome Health Certified Respiratory Therapist1750477055
  43. Peter Wolff, NPFamily Nurse Practitioner1720554884
  44. Edward Wong, M.D.Gastroenterology Physician1679559157
  45. Eugene Wong, MDAnesthesiology Physician1144543364
  46. Honping Wong, DDSGeneral Practice Dentistry1043362171
  47. Jasmine Wong, BCBABehavior Technician1891483640
  48. Sofia WongBehavior Technician1528692456
  49. Brad Wood, MSW LCSWClinical Social Worker1447261334
  50. Anne Wooden, MA EDBehavior Technician1578024436

The largest California cities

  1. Los Angeles69,537
  2. San Diego52,937
  3. San Francisco38,143
  4. Sacramento33,083
  5. San Jose20,925

All of California →

How to read this directory

Lancaster, California appears in the CMS National Plan and Provider Enumeration System with 4,273 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 Lancaster - 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 Lancaster 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 Lancaster is weighted toward Behavior Technician (436 clinicians, followed by Marriage & Family Therapist with 331 and Addiction (Substance Use Disorder) Counselor with 283). 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 California's population, Lancaster reports roughly 11 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 Lancaster 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 Lancaster, CA?

There are 4,273 registered healthcare providers in Lancaster, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Lancaster?

The most common specialties in Lancaster are Behavior Technician, Marriage & Family Therapist, Addiction (Substance Use Disorder) Counselor, Case Manager/Care Coordinator, Clinical Social Worker. Behavior Technician has the most providers with 436.

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.