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 23 of 86.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

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. Lynn Duncan, CDSAddiction (Substance Use Disorder) Counselor1316224371
  2. Pamela DunnerBehavior Technician1285212621
  3. Amber Duplechan, RNRegistered Nurse1790040699
  4. Susan DupontLicensed Vocational Nurse1326750977
  5. Yaraby Duque-Valerio, RN, IBCLCLactation Consultant (Registered Nurse)1225990609
  6. Yesenia DuranMedical Physician Assistant1316778525
  7. Sean DurghalliPharmacist1174135222
  8. Adriana DurleyRegistered Nurse1275316903
  9. Nora Durzo, M.A., LMFTMarriage & Family Therapist1528190790
  10. Teanne Duval, RDADental Assistant1275850190
  11. Diane Dworzack, RNAmbulatory Care Registered Nurse1194245522
  12. Courtney Dyer, CNM/WHNP-BCMidwife1114731627
  13. Jill DyerBehavior Technician1801348925
  14. Calvin DykstraPeer Specialist1801726518
  15. Jared Dyson, CPRPRehabilitation Practitioner1881876019
  16. Lamanique Easter, CADC-CAS, LCSWSocial Worker1275087108
  17. Kevin Eastham, PA CMedical Physician Assistant1790881316
  18. Boryana Eastman, M.D., PH.D.Radiation Oncology Physician1316301948
  19. David Eckel, D.C.Orthopedic Chiropractor1609906692
  20. Moneer Eddin, M.D.Cardiovascular Disease Physician1073780938
  21. Haley EdlerStudent in an Organized Health Care Education/Training Program1902736358
  22. Kelli Edmond, OTR/LOccupational Therapist1972091353
  23. Winston Edmond, PTPhysical Therapist1285332387
  24. Aimee Edmundo-Saucedo, AMFT APCCStudent in an Organized Health Care Education/Training Program1174490189
  25. Amina EdwardsBehavior Analyst1487352282
  26. Brittany EdwardsBehavior Technician1598224578
  27. Brianna EffingerCase Manager/Care Coordinator1083070569
  28. Mariano EguizabalAddiction (Substance Use Disorder) Counselor1679319610
  29. Bridget EhiemenonyePsychiatric/Mental Health Registered Nurse1962077594
  30. Jennifer EicholtzClinical Social Worker1720837925
  31. Roulan Eivazzadeh, ACSWMental Health Counselor1750639548
  32. Santiago EliasPeer Specialist1104787936
  33. Chanelle EllisCase Manager/Care Coordinator1013488238
  34. Rashunda Ellis, MSWMental Health Counselor1952589962
  35. Susana EllisCase Manager/Care Coordinator1255088894
  36. Howaida ElsabbaghMarriage & Family Therapist1760824825
  37. Henry Elwood, R.N., C.R.N.A.Certified Registered Nurse Anesthetist1710022926
  38. Joseph Ely, ACSW, CPRPMental Health Counselor1134438153
  39. Richard Emanuel, FNPFamily Nurse Practitioner1922399609
  40. Wendy Embry-EstradaLicensed Vocational Nurse1235881566
  41. Marissa EmondAddiction (Substance Use Disorder) Counselor1104752922
  42. Robert EnamoradoRehabilitation Practitioner1730566373
  43. Tulio Enamorado, NP-CFamily Nurse Practitioner1427971662
  44. Estefany Encarnacion Paulino, PSY.DStudent in an Organized Health Care Education/Training Program1427982602
  45. Caroline Enciso, LMFT 122197Marriage & Family Therapist1447547583
  46. Meagan EnglandAddiction (Substance Use Disorder) Counselor1285498451
  47. Megan EngstromRehabilitation Practitioner1871716712
  48. Paul EnnsMarriage & Family Therapist1326243619
  49. Rana EntabiPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1811376346
  50. Franco EntilaAddiction (Substance Use Disorder) Counselor1295850584

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.