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 56 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. June Mwangi, NPFamily Nurse Practitioner1497360184
  2. Kaliso MwanzaCommunity Health Worker1366800401
  3. George Mya, M.D.Internal Medicine Physician1790895936
  4. Simona Myers, M.D.Obstetrics & Gynecology Physician1972570612
  5. Melissa Nabors, D.D.S.General Practice Dentistry1215076369
  6. Nancy NadourBehavior Technician1952091019
  7. Parviz Nafari, M.A. MFTMarriage & Family Therapist1093846776
  8. Sami Nafoosi, MDInternal Medicine Physician1164713244
  9. Vishnu Nagaraj, PHARM.D.Pharmacist1265997613
  10. Etsuko Nagatani, LMFTMarriage & Family Therapist1588801666
  11. Wendy NagelOther Technician1003316506
  12. Mina NagibPharmacist1316532492
  13. Nicolas NahinDay Training/Habilitation Specialist1174241384
  14. Semhar Naizghi, RNRegistered Nurse1215295456
  15. Lillie Nally, MS, RDNRegistered Dietitian1225647225
  16. Isaias NarvaezStudent in an Organized Health Care Education/Training Program1225781412
  17. Wendell Narvaez, RNAmbulatory Care Registered Nurse1780106963
  18. Dara NashBehavior Technician1174244008
  19. Jennifer NashAddiction (Substance Use Disorder) Counselor1770345175
  20. Renada Nash, FNPFamily Nurse Practitioner1447903869
  21. Susan Nasser, D.O.Family Medicine Physician1972668416
  22. Thomas Nasser, DOPhysical Medicine & Rehabilitation Physician1073594636
  23. Lisa Nauta, LCSW 79449Clinical Social Worker1295010569
  24. Elizabeth NavaCase Manager/Care Coordinator1679010979
  25. Esmeralda NavaRehabilitation Practitioner1548781792
  26. Luis NavarreteCommunity Health Worker1508321175
  27. Fernando NavarroDay Training/Habilitation Specialist1326521279
  28. Jennifer NawazMarriage & Family Therapist1679849129
  29. Miriam Nazmy, MDFamily Medicine Physician1013274539
  30. Nozipho NcubeMarriage & Family Therapist1730480021
  31. Ashley Neal, LMFTMarriage & Family Therapist1417414772
  32. La Rae Neal, PSYDClinical Psychologist1124540497
  33. Michell NeangodaMarriage & Family Therapist1194317420
  34. Yulia Negom, D.D.S.General Practice Dentistry1073783049
  35. Paulette NeillRehabilitation Practitioner1801913025
  36. Yorda Nelson-TheusCommunity Health Worker1841700937
  37. Albert Nemiroff, ODOptometrist1649322090
  38. David NeptuneRehabilitation Practitioner1447481627
  39. Victor NettlesAddiction (Substance Use Disorder) Counselor1407226343
  40. Michael NewboultAddiction (Substance Use Disorder) Counselor1649587049
  41. Paul Newland, BS, MS, AMFT, APCCMarriage & Family Therapist1407462880
  42. Vera NewmanMental Health Counselor1942669650
  43. James Ngo, MDSpecialist1790892354
  44. Kate Thuy Vy NgoPharmacist1174118632
  45. Sam NgoGeneral Practice Dentistry1073002184
  46. Anh NguyenPharmacist1417720491
  47. Audrey NguyenPharmacist1669979399
  48. Christopher-Michael Nguyen, PHARMDPharmacist1154191427
  49. Dang Nguyen, PHARMDPharmacist1841957701
  50. Hong Phuc Nguyen, DOInternal Medicine Physician1992995997

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.