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 14 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. Gloria CastroBehavior Technician1831899673
  2. Jael CastroBehavior Technician1740024306
  3. Jorge Castro, SUD COUNSELORAddiction (Substance Use Disorder) Counselor1508689720
  4. Julie CastroAmbulatory Care Registered Nurse1487366944
  5. Monica CastroCase Manager/Care Coordinator1023476942
  6. Monica CastroPeer Specialist1871336503
  7. Rubi CastroBehavior Technician1629778170
  8. Alexia Castro MillanezDay Training/Habilitation Specialist1043173107
  9. Jodi CastruitaAddiction (Substance Use Disorder) Counselor1801377486
  10. Sherry CatchingsRehabilitation Practitioner1568585578
  11. Lorie Mae Catedral, NP-BCFamily Nurse Practitioner1588365118
  12. Miya CatoSocial Worker1467824771
  13. Jonathan CavesCase Manager/Care Coordinator1023735610
  14. Jushona CavinessTechnician/Technologist1942130042
  15. Jaslynn CaylessSpeech-Language Assistant1962150979
  16. Isabel Cazarez, LCSWClinical Social Worker1609530526
  17. Cynthia CeballosBehavior Technician1881250223
  18. Yolanda CeballosCase Manager/Care Coordinator1235771999
  19. Patricia CejaRehabilitation Practitioner1780716720
  20. Shonda CelestineAddiction (Substance Use Disorder) Counselor1154508604
  21. Marty Celis, MPSS-SPEZDNPeer Specialist1700709045
  22. Gabriela Cena-Vodanovic, RPTPhysical Therapist1790903995
  23. Arlene CerdaMassage Therapist1841129822
  24. Melodie CerdaDay Training/Habilitation Specialist1083370571
  25. Daisy CervantesBehavior Technician1780549279
  26. Ivonne CervantesCase Manager/Care Coordinator1679218085
  27. Maria CervantesStudent in an Organized Health Care Education/Training Program1790654929
  28. Valeria Cervantes, RPHPharmacist1659023216
  29. Ilder Cervantes SanchezNurse's Aide1285459727
  30. Ryan CesenaMarriage & Family Therapist1295217313
  31. Lessette Cetto, RNPPediatric Nurse Practitioner1134476799
  32. Denika Chacon, LCSW 86269Clinical Social Worker1346715893
  33. Nohemy ChaconCase Manager/Care Coordinator1477895142
  34. David Chadorchi, PSY.D.Psychologist1063725257
  35. Christopher ChairezSocial Worker1396675021
  36. Suttirak ChaiwongkarjohnSpecialist1083879084
  37. Kirin ChallmanCase Manager/Care Coordinator1063905131
  38. Autumn ChambersClinical Social Worker1447825591
  39. Carol Chambers, MFTMarriage & Family Therapist1689793457
  40. Maria ChamorroCase Manager/Care Coordinator1588179964
  41. Angel ChampagneAddiction (Substance Use Disorder) Counselor1447832399
  42. Thad Champlin, DDS, MSDOrthodontics and Dentofacial Orthopedics Dentistry1639287881
  43. Kailey Chan, PHARMDPharmacist1548128747
  44. Katherine ChandlerPsychologist1043934458
  45. Timothy Chandler, D.O.Internal Medicine Physician1740433622
  46. Canagaretnam Chandradas, M.D.Internal Medicine Physician1093840936
  47. Patalappa Chandrashekar, M.D.Anesthesiology Physician1942214952
  48. Zelena Chaney, RBTBehavior Technician1144089731
  49. Dana Chapple, CADCAddiction (Substance Use Disorder) Counselor1922586577
  50. Kyriacos Charalambides, M.D.Geriatric Medicine (Internal Medicine) Physician1255589420

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.