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 5 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. Karunyan Arulanantham, MDEndocrinology, Diabetes & Metabolism Physician1548217680
  2. Emem AsapokhaiBehavior Analyst1063893519
  3. Alexis Asatourian, MSW, ASWClinical Social Worker1518405158
  4. Mauricio Ascencio-RojoLicensed Vocational Nurse1487511382
  5. Hannah Asghari, MDHematology & Oncology Physician1891114583
  6. Nahid Ashtari, PH.DMarriage & Family Therapist1598942948
  7. Sharon Ashton, PA-CMedical Physician Assistant1659584746
  8. Zain AssadPeer Specialist1962367862
  9. Zaina AssadBehavior Technician1891369187
  10. Yesenia Astorga-GonzalezLicensed Vocational Nurse1033980768
  11. Jeanne Mireille AtanganaStudent in an Organized Health Care Education/Training Program1710625389
  12. Resmine AtisMarriage & Family Therapist1568171973
  13. Darletta Atkins, ASSISTANTHome Health Aide1740839232
  14. Kayla AtkinsonMental Health Counselor1538856455
  15. Frederic Auerbach, MDEmergency Medicine Physician1023074713
  16. Ma Mon Mon Aung, M.D.Geriatric Medicine (Family Medicine) Physician1083933766
  17. Pye AungHospitalist Physician1063894814
  18. Kyrie AustinAddiction (Substance Use Disorder) Counselor1265847081
  19. Marife Austria, RPTOrthopedic Physical Therapist1841580941
  20. Shakira AutryRehabilitation Practitioner1801636378
  21. Amanda AvalosMedical Physician Assistant1750182499
  22. Stephanie AvalosCase Manager/Care Coordinator1851659429
  23. Valery AvalosRehabilitation Practitioner1083731350
  24. Laura Avalos De AyalaAmbulatory Care Registered Nurse1043732282
  25. Nucion Avent, CADC IIAddiction (Substance Use Disorder) Counselor1487779187
  26. Anthony AveryBehavior Analyst1164302147
  27. Dimita AveryBehavior Analyst1821977380
  28. Kimberly Avery, M.A.Marriage & Family Therapist1407975881
  29. Maria Avila, ACSWMental Health Counselor1447514344
  30. Rosalvo AvilaCase Manager/Care Coordinator1427350099
  31. Tania AvilaBehavior Technician1164125993
  32. Vanessa AvilezBehavior Technician1154043461
  33. Pamela Awad, LMFTMarriage & Family Therapist1386902583
  34. Jerzl Anne AwitOccupational Therapist1992440903
  35. Hany Ayad, RPHPharmacist1962873174
  36. Mina Ayad, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1063825107
  37. Amberlee Ayala, BSN, RNRegistered Nurse1861991143
  38. Jenny Ayala, B.ADay Training/Habilitation Specialist1932061991
  39. Matthew AyalaAddiction (Substance Use Disorder) Counselor1194252940
  40. Ayodeji AyodeleStudent in an Organized Health Care Education/Training Program1588172639
  41. Olivia AyonBehavior Technician1437723947
  42. Marl AysonPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972134294
  43. Kara AzcarragaCase Manager/Care Coordinator1083068662
  44. Elijah Ray AzuelaCommunity Health Worker1053946749
  45. Portia AzuelaMarriage & Family Therapist1982329744
  46. Phillip AzzaritiPeer Specialist1710793633
  47. Maria Babakhanof, RDADental Assistant1538301940
  48. Vardan Babayan, PHARMD.Ambulatory Care Pharmacist1215486287
  49. Brian Babb, M.S.W.Mental Health Counselor1598043440
  50. Mariya Babyna, M.D.Pediatrics Physician1174848089

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.