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 29 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. Tigran Gezalian, PHARMDPharmacist1316534951
  2. Sawsin GhanimAddiction (Substance Use Disorder) Counselor1063764496
  3. Pauline GhomsiCase Manager/Care Coordinator1194405597
  4. Edward Ghoogasian, RNPsychiatric/Mental Health Registered Nurse1083257836
  5. Katie Giangrande, BAMental Health Counselor1083992218
  6. Jenel Gibbs, DMDGeneral Practice Dentistry1518153196
  7. Cecelia GibsonCase Manager/Care Coordinator1851048144
  8. Monique GibsonMassage Therapist1982592457
  9. Marla Giem, M.D.Internal Medicine Physician1548358005
  10. Safia GilaniFamily Nurse Practitioner1366221327
  11. Karen GilbertCounselor1396145652
  12. Urania GilbertLicensed Vocational Nurse1013601418
  13. Gurdarshan Gill, M.D.Anesthesiology Physician1851305882
  14. Harmandeep Gill, M.D.Vascular & Interventional Radiology Physician1790700458
  15. Lloyd Gillett, ODOptometrist1063271666
  16. Renisha Gilliam, LVN, RNLicensed Vocational Nurse1013882786
  17. Violetta Ginis, LMFT105648Marriage & Family Therapist1952722977
  18. Marvin Ginsburg, M.D.Internal Medicine Physician1508976580
  19. Caitlin Ginwala, LMFT96759Marriage & Family Therapist1124469663
  20. Roger Girion, PH.DClinical Psychologist1386912806
  21. Sharon Mae GironAmbulatory Care Registered Nurse1598630402
  22. Michael Glass, D.D.S.General Practice Dentistry1942244488
  23. Sydni Glass, ODOptometrist1497275689
  24. Rachael GlasscockMental Health Counselor1073709739
  25. Jay Glenn, LCSWClinical Social Worker1558532051
  26. Rodney Glenn, B.A.Rehabilitation Practitioner1699898304
  27. John GloverSocial Worker1821116393
  28. William Go, M.D.Gastroenterology Physician1992972715
  29. Veronica Godinez, AAOccupational Therapy Assistant1477422731
  30. Katia Godinez LopezDay Training/Habilitation Specialist1023671708
  31. Tijera GodleyBehavior Technician1760064448
  32. Megan GoffRehabilitation Practitioner1972790046
  33. Bina GoldClinical Social Worker1134436454
  34. Christina GoldenSpeech-Language Pathologist1790612695
  35. Jeanette Goldizen, CLD,CCCE,CLECDoula1942539200
  36. Mitchell Goldstein, FNPFamily Nurse Practitioner1659867489
  37. Adam Goldstone, O.D.Optometrist1316972995
  38. Bannia GomezMental Health Counselor1235470774
  39. Blanca GomezBehavior Technician1386389138
  40. Eve GomezCase Manager/Care Coordinator1316310147
  41. Genesis GomezClinical Social Worker1770138125
  42. Gerdim GomezSocial Worker1841075116
  43. Hector GomezStudent in an Organized Health Care Education/Training Program1275027922
  44. Jane GomezBehavior Technician1851078265
  45. Javier GomezBehavior Technician1629537907
  46. Jocelyn GomezClinical Social Worker1093223448
  47. Karen GomezLicensed Vocational Nurse1811609449
  48. Melissa GomezClinical Social Worker1609547579
  49. Miriam GomezClinical Social Worker1104554401
  50. Rose GomezBehavior Technician1417511346

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.