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 83 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. Linda Warren-Watson, MDObstetrics & Gynecology Physician1518931856
  2. Brittany WashingtonBehavior Technician1396521100
  3. Eric WashingtonStudent in an Organized Health Care Education/Training Program1558720839
  4. Gail Washington, NONEBehavior Technician1073256988
  5. Latanya WashingtonDental Assistant1073943676
  6. Christy Waters, MDPsychiatry Physician1831249630
  7. Macy WatkinsStudent in an Organized Health Care Education/Training Program1710878327
  8. Cecilia Watson, RPHPharmacist1457508285
  9. Kandy Watson, B.A.Mental Health Counselor1558683656
  10. Darren Watters, ATC, EMT, FF, MAHealth Educator1265136576
  11. Katrina WattersFamily Nurse Practitioner1366241820
  12. Geraldine Watts, M.ASpeech-Language Pathologist1497843932
  13. Michael Watts, SUDRC18554Addiction (Substance Use Disorder) Counselor1124900808
  14. Sonjia WattsAddiction (Substance Use Disorder) Counselor1073391306
  15. Hans Weber, MDRheumatology Physician1508894361
  16. Mitchell Wechsler, DDSDentist1124105929
  17. Shakain WeddleBehavior Technician1093441651
  18. Liliana Weichold, NONEMarriage & Family Therapist1275662082
  19. Todd Weiss, RRT, CPFTCertified Respiratory Therapist1437637121
  20. Elizabeth Welch, DNP, FNP-CNurse Practitioner1881436616
  21. Michelle Welch, N.PFamily Nurse Practitioner1518403849
  22. Elijah WellsPsychiatric/Mental Health Registered Nurse1649960048
  23. Linda WerbelowAddiction (Substance Use Disorder) Counselor1407394216
  24. Robin Wesley, B.S.Mental Health Counselor1093034027
  25. April WessMarriage & Family Therapist1609213610
  26. Carmen WestRehabilitation Practitioner1649588450
  27. Priscilla WestLicensed Vocational Nurse1225715162
  28. Christina Weyer, M.A.Marriage & Family Therapist1912289778
  29. Jasmine Whaley, RDH, RDHAPDental Hygienist1477374502
  30. Julie Wheeler, MFTIMarriage & Family Therapist1356691570
  31. Amia WhitakerCounselor1225285927
  32. Arrowa White, LCSWClinical Social Worker1073641833
  33. Darlyn WhiteMassage Therapist1962251074
  34. Joseph White, DPTPhysical Therapist1568252625
  35. Keily White, ASWClinical Social Worker1346124757
  36. Kiah WhiteBehavior Technician1346748050
  37. Laura WhiteBehavior Technician1578437034
  38. Myshay WhiteSocial Worker1811368608
  39. Pamela WhiteAddiction (Substance Use Disorder) Counselor1164949087
  40. Tiffani Whitebread, CATC IAddiction (Substance Use Disorder) Counselor1013785997
  41. Serenity WhiteleyAddiction (Substance Use Disorder) Counselor1912721010
  42. Lauren WhitingRespiratory/Developmental/Rehabilitative Specialist/Technologist1053954164
  43. Felicia WhitneyCase Manager/Care Coordinator1790225340
  44. Earl WhittMental Health Counselor1225220981
  45. Phillip Whong, MDOtolaryngology Physician1497741326
  46. Joy Wical, P.T.Orthopedic Physical Therapist1851452015
  47. Brianna WilburnBehavior Technician1417416942
  48. Nancy WilcoxCase Manager/Care Coordinator1952432668
  49. Aliza Wilde, MSW,ASWMental Health Counselor1659581833
  50. Angela Williams, LCSWClinical Social Worker1104842160

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.