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 40 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. Mercedez JohnsonDoula1720788185
  2. Merlon JohnsonLicensed Vocational Nurse1467158279
  3. Nelida JohnsonSpeech-Language Pathologist1639006539
  4. Regina Johnson, M.A.Student in an Organized Health Care Education/Training Program1518334739
  5. Ronald JohnsonMental Health Counselor1386088201
  6. Sophia Johnson, RNAmbulatory Care Registered Nurse1477267672
  7. Stephanie Johnson, CNAPersonal Care Attendant1346979333
  8. Thomas Johnson, RESRespiratory/Developmental/Rehabilitative Specialist/Technologist1467731778
  9. Traci JohnsonLicensed Vocational Nurse1912472572
  10. Rachel JohnstoneStudent in an Organized Health Care Education/Training Program1730785072
  11. Araceli Jones, AARehabilitation Practitioner1285931410
  12. Asa JonesSocial Worker1508459439
  13. Danny Jones, P.A.Medical Physician Assistant1801109400
  14. David Jones, ACSW /CADC CI2828101Mental Health Counselor1811416209
  15. Dijwan Jones, COUNSELORAddiction (Substance Use Disorder) Counselor1194348474
  16. Dshawn JonesMental Health Counselor1659812683
  17. Dylan JonesBehavior Technician1700577764
  18. Jazmine JonesCase Manager/Care Coordinator1730617481
  19. Jonai JonesBehavior Technician1326731837
  20. Karisma JonesStudent in an Organized Health Care Education/Training Program1023757259
  21. Kendra JonesLicensed Vocational Nurse1376319673
  22. Laporsha JonesRecreation Therapist1912525742
  23. Leona JonesCommunity Health Worker1396597142
  24. Marissa JonesBehavior Technician1790465920
  25. Pamela JonesRehabilitation Practitioner1629197280
  26. Robert JonesMental Health Counselor1306095260
  27. Shannal JonesBehavior Technician1801467378
  28. Sharae JonesPeer Specialist1821956038
  29. Shelissa JonesCase Manager/Care Coordinator1689230203
  30. Tim JonesAddiction (Substance Use Disorder) Counselor1922308287
  31. Valarie JonesDay Training/Habilitation Specialist1265985246
  32. Lashanda Jones-Corneille, PH.D.Psychologist1679857569
  33. Tyra Jones-WigginsMedical Physician Assistant1346183050
  34. Chanel JordanBehavior Technician1811852379
  35. Laura Jouflas, RDHAPDental Hygienist1528295268
  36. Lijesh Joy, PTPhysical Therapist1558849281
  37. Doris JoynerCase Manager/Care Coordinator1083428858
  38. Amanda JuarezMarriage & Family Therapist1871466490
  39. Paul JuarezCase Manager/Care Coordinator1023257227
  40. Stacey JuarezBehavior Technician1235970641
  41. Yuliana JuarezClinical Social Worker1669012886
  42. Maria Juarez RamirezRespiratory/Developmental/Rehabilitative Specialist/Technologist1598309056
  43. Tammy JulianBehavior Technician1861933327
  44. Heesu Jun, PHARMDPharmacist1023607983
  45. Grace Jung, D.D.S.Pediatric Dentistry1194981837
  46. Claire Justice, PHNCase Management Registered Nurse1982861662
  47. Mae Justus, B.SBehavior Technician1821747049
  48. Kamran Kabolizadeh, MDNeurology Physician1184831273
  49. Mary Kacy-Svoboda, BSN,PHN,RN-BCRegistered Nurse1720541196
  50. Pramod Kadambi, M.D.Specialist1114988441

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.