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 7 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. Detisha BarkerDay Training/Habilitation Specialist1750272795
  2. Lori Barlow WashingtonMental Health Counselor1194346098
  3. Breanna Barnes, MSWClinical Social Worker1700305778
  4. Karen BarnesBehavior Technician1215637905
  5. Pamela Barnett, R.N.Registered Nurse1073929584
  6. Carina BarocioCase Manager/Care Coordinator1780420752
  7. Eduardo Barocio LopezCommunity Health Worker1457110751
  8. Kayla Baron, AMFTMarriage & Family Therapist1588295729
  9. Alejandro BarraganAddiction (Substance Use Disorder) Counselor1568189603
  10. Alberto Barraza, BCBABehavior Analyst1528528759
  11. Valerie BarreraAddiction (Substance Use Disorder) Counselor1144506031
  12. Julissa Barreto-MoranAssistant Behavior Analyst1225807522
  13. Markanthony BarrettBehavior Technician1548062698
  14. Ruby BarrientosBehavior Technician1982329678
  15. Alexis BarriosBehavior Analyst1962121392
  16. Andrea BarriosBehavior Technician1588123855
  17. Jasmine BarriosBehavior Technician1629945878
  18. Jessica Barsegian, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1336517838
  19. Alyssa BartleBehavior Technician1952977803
  20. Brent Bartlett, DPTOrthopedic Physical Therapist1609348002
  21. Maria Bartlett, MAMarriage & Family Therapist1609332618
  22. Michael BarzagaCommunity Health Worker1154140127
  23. Kelly BascomLicensed Vocational Nurse1265869937
  24. Adam BasmaDentist1871214338
  25. Souren Basmadjian, RPHPharmacist1689943623
  26. Maria Del Carmen BastianLicensed Vocational Nurse1750256277
  27. Karla Basto-Herrera, PHARMDPharmacist1780150193
  28. Kimberly Batanghari, M.D.Pediatric Adolescent Medicine Physician1285250365
  29. Suraj Batish, MDPediatrics Physician1124519418
  30. Donald BatisteCase Manager/Care Coordinator1881481398
  31. Beena Batna, RNPsychiatric/Mental Health Registered Nurse1679180574
  32. Bryan BatteyRehabilitation Practitioner1811287626
  33. Deborah Bauer, RPHPharmacist1639359292
  34. Joan Jett BauerBehavior Technician1295367506
  35. Brigitte Bautista, LCSWClinical Social Worker1417436635
  36. Nathaniel Bautista, M.D.Occupational Medicine Physician1538270822
  37. Paola Bautista, CPHWCounselor1013680115
  38. Shaun BautistaClinical Social Worker1871386342
  39. William BautistaCommunity Health Worker1487471223
  40. Phyllis BayDay Training/Habilitation Specialist1245045756
  41. Negin BayatPharmacist1023557550
  42. Siamak Bayat-Mokhtari, D.D.SDentist1760921878
  43. Alexandra BayoMarriage & Family Therapist1568005742
  44. James Beasley, PHARMDPharmacist1811487556
  45. Morgan BeasleyAddiction (Substance Use Disorder) Counselor1114167772
  46. Leesa BecariaCase Manager/Care Coordinator1457645624
  47. Dayanara BecerraBehavior Technician1174471916
  48. Darin BechtholdPharmacist1942684790
  49. Chandler Beckmann, M.S., BCBABehavior Analyst1073072534
  50. Fornati Bedell, M.D.Urology Physician1700203346

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.