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 17 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. Velma CollinsAddiction (Substance Use Disorder) Counselor1063010551
  2. Wendy ColochoPsychiatric/Mental Health Nurse Practitioner1407625643
  3. Bailey Colon, SLPSpeech-Language Pathologist1871238113
  4. Elizabeth ColonClinical Social Worker1497491534
  5. Jessica ColonRehabilitation Practitioner1720264500
  6. Matthew CombsRehabilitation Practitioner1437478195
  7. Penelope ConardFamily Nurse Practitioner1972391506
  8. Don ConcepcionDriver1467878694
  9. Michael Paul Concepcion, FNPFamily Nurse Practitioner1902643109
  10. Alondra CondeStudent in an Organized Health Care Education/Training Program1720767064
  11. Cynthia Conedy, MPSSPeer Specialist1679300248
  12. Jared ConelyBehavior Technician1215637749
  13. Myloe ConklinAddiction (Substance Use Disorder) Counselor1437919859
  14. Regina ConleyCase Manager/Care Coordinator1609068667
  15. John ConnallyPeer Specialist1528939634
  16. Samantha Conner, LCSWClinical Social Worker1396104816
  17. Daphany Connor, NURSE PRACTITIONERFamily Nurse Practitioner1942992532
  18. Chelsea ConnseroAddiction (Substance Use Disorder) Counselor1821396508
  19. Linda Conrad, CFOMOther Specialist/Technologist1902077092
  20. Ana ContrerasRehabilitation Practitioner1821417387
  21. Gabriela ContrerasAmbulatory Care Registered Nurse1750093274
  22. Julie ContrerasBehavior Technician1578421624
  23. Melissa ContrerasAddiction (Substance Use Disorder) Counselor1275167991
  24. Latoyia Conway-HamptonCounselor1073646618
  25. Amber Cook, BSN, RNAmbulatory Care Registered Nurse1679448336
  26. Carla CookClinical Social Worker1760851653
  27. Craig CookMental Health Counselor1992996482
  28. Jamilla Cook, LVNLicensed Vocational Nurse1922360437
  29. James Coomes, L.C.S.W.Clinical Social Worker1386731164
  30. Jamei CooperBehavior Technician1891494233
  31. Judy CooperbergRehabilitation Practitioner1245359173
  32. Alan Cooperman, D.D.S.Endodontics1881810265
  33. Dorothy Copeland, R.N., N.P.Nurse Practitioner1831228931
  34. Heather CopelandRehabilitation Practitioner1487080362
  35. William Copeland, M.D.Gynecology Physician1942200506
  36. Yolanda CoraRehabilitation Practitioner1083100697
  37. Gustavo Cordero, M.D.Student in an Organized Health Care Education/Training Program1558580043
  38. Jazmin CorderoAddiction (Substance Use Disorder) Counselor1619604949
  39. Linda CorderoBehavior Technician1659830917
  40. Katherine CordovaHealth & Wellness Coach1871387670
  41. Alexine Cordovano, D.C.Chiropractor1043759129
  42. Angel CorlettoBehavior Technician1487357950
  43. Anne Cormack, MSW INTERNStudent in an Organized Health Care Education/Training Program1063562791
  44. Jorge CornejoPhysical Therapist1750635843
  45. Nakia CorneliusCase Manager/Care Coordinator1851057731
  46. Christopher Cornell, PSY.D.Psychologist1972636322
  47. Adriana CoronaLicensed Vocational Nurse1265231518
  48. Ernesto CoronelAssistant Behavior Analyst1326967159
  49. Hannah Mae Corpuz, MAOT, OTR/L, OTRPOccupational Therapist1801691142
  50. Douglas Corrigan, MAMarriage & Family Therapist1730204215

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.