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 11 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. Mark Brown, MDEmergency Medicine Physician1336105675
  2. Michele Brown, MA, LMFTMarriage & Family Therapist1295754737
  3. Octavia BrownAddiction (Substance Use Disorder) Counselor1518519206
  4. Percy BrownMarriage & Family Therapist1427228600
  5. Pilar Brown, LCSWClinical Social Worker1669840369
  6. Ronald Brown, MFT-IMarriage & Family Therapist1811338296
  7. Tyeast Brown, M.SMarriage & Family Therapist1306979042
  8. Alice Brown-BowlerMarriage & Family Therapist1912914748
  9. Janine BrowncarvajalBehavior Technician1710611454
  10. Shareace Browne Cowen, PSC NON-LICENSECase Manager/Care Coordinator1720680150
  11. Daniel Brunengraber, M.D.Diagnostic Radiology Physician1679734990
  12. Marie BryantAddiction (Substance Use Disorder) Counselor1629663059
  13. Michelle BryantRehabilitation Practitioner1336396746
  14. Anfreda Buenaventura, LVNLicensed Vocational Nurse1720563182
  15. Jeannette BuenrostroClinical Social Worker1528614575
  16. Jazmin BuenrrostroBehavior Analyst1841016219
  17. Chrystyne BugarenRehabilitation Practitioner1932226552
  18. Vu Bui, M.D.Diagnostic Radiology Physician1427142587
  19. Rochelle BulletteAddiction (Substance Use Disorder) Counselor1619568433
  20. Teresa BurbachMarriage & Family Therapist1013043231
  21. Sondra BurbidgeBehavior Analyst1003316779
  22. Lisa Burchett, LVNLicensed Vocational Nurse1922247196
  23. Ernest Burger, PHARM DPharmacist1053720334
  24. Carolee Burgess, NPPsychiatric/Mental Health Nurse Practitioner1124833710
  25. Olivia BurgessCase Manager/Care Coordinator1467994152
  26. Christopher BurgettAddiction (Substance Use Disorder) Counselor1114507373
  27. Kate BurgettMarriage & Family Therapist1427593821
  28. Linette Alondra Burgos AguirreLicensed Vocational Nurse1760138556
  29. Brittany Burkhead, PHARMDPharmacist1205361367
  30. Brian Burleson, A.A.Addiction (Substance Use Disorder) Counselor1952580623
  31. Greg Burleson, NURSELicensed Vocational Nurse1336330562
  32. Claudia Burlsey, SUDRC16174Addiction (Substance Use Disorder) Counselor1013751551
  33. Haley Burnett, MSWClinical Social Worker1972152692
  34. Melissa Burnett, LCSWClinical Social Worker1780063602
  35. Jessica BurniasStudent in an Organized Health Care Education/Training Program1407092752
  36. Michael Burr, M.D.Anesthesiology Physician1124053939
  37. Iva Burse BriggsStudent in an Organized Health Care Education/Training Program1710428529
  38. Linda BurtonAddiction (Substance Use Disorder) Counselor1427267426
  39. Weston Bush, M.D., M.P.H.Surgery Physician1417417692
  40. Tatiana BustamanteMarriage & Family Therapist1952604191
  41. Mohammad Bustati, DDSDentist1174612154
  42. Lourdes Bustos, ACSWClinical Social Worker1427891225
  43. Melissa ButalaRehabilitation Practitioner1023444908
  44. Sandra Butcher, M.A., L.M.F.T.Marriage & Family Therapist1679661532
  45. Donavin ButlerStudent in an Organized Health Care Education/Training Program1609712512
  46. Bridget ButterfieldAddiction (Substance Use Disorder) Counselor1922847755
  47. Abreon ByasPeer Specialist1356185326
  48. Amber CabadaLicensed Vocational Nurse1881381176
  49. Araceli Cabalum, NPFamily Nurse Practitioner1689130718
  50. Luis CabanillaMarriage & Family Therapist1295418887

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.