NPPES file of Aug 9, 2026

Doctors and health care providers in Santa Ana, CA

8,904 individual NPPES records list a practice address in Santa Ana, 18th of 812 California cities. The largest group is behavior technician: 1,625, 18% of the city's records, against 18% across California. Page 90 of 179.

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).

The 8 largest groups in Santa Ana

  1. Behavior Technician1,625
  2. Mental Health Counselor684
  3. Marriage & Family Therapist678
  4. Clinical Social Worker433
  5. Addiction (Substance Use Disorder) Counselor407
  6. Registered Nurse281
  7. Counselor247
  8. Social Worker216

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Santa Ana in California

  • Rank in California18th of 812 cities by records
  • Share of the state0.9% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups33.5% of all records

Compared with California as a whole, Santa Ana has 12.5× the state's share of community health registered nurse records and 0.50× its share of student in an organized health care education/training program records.

Providers in Santa Ana, alphabetically

  1. Casandra Lizarraga-CamarenaCommunity Health Worker1023895950
  2. Alexis LlacaBehavior Technician1700552056
  3. Kimberly LleraMental Health Counselor1447573563
  4. Joshua Lliteras, BEHAVIOR TECHNICIANBehavior Technician1952038291
  5. Brendan Lloyd, M.D.Dermatology Physician1437354289
  6. Kimberly Lloyd, M.D.Psychiatry Physician1154529030
  7. Jenny LoPharmacist1902566169
  8. Michelle LobatoCommunity Health Worker1306562103
  9. Edwin Lobato CastilloMarriage & Family Therapist1235071333
  10. Alonzo Lockhart, M.D.Family Medicine Physician1770944019
  11. Makayla LockhartBehavior Technician1124897590
  12. Susan Lodge, MFTMental Health Counselor1376735506
  13. Rodolfo Loera, LCSWClinical Social Worker1699103085
  14. Vicente LoezaBehavior Technician1245790997
  15. Andrea LofgrenPsychiatric/Mental Health Registered Nurse1245191675
  16. Jason Logoluso, PTPhysical Therapist1417126996
  17. Robert Lohayza, RNMental Health Counselor1306932439
  18. Ghanshyam Lohiya, MDPreventive Medicine/Occupational Environmental Medicine Physician1104938679
  19. Sunita Lohiya, MDGeneral Practice Physician1710146295
  20. Steffany LohnDay Training/Habilitation Specialist1932568581
  21. Ashley LombardiMental Health Counselor1013489780
  22. Kelly LomelandAddiction (Substance Use Disorder) Counselor1396417648
  23. Alejandra LomeliCase Manager/Care Coordinator1093547598
  24. Arturo Lomeli, D.D.S.General Practice Dentistry1851478150
  25. Reggie Lomeli, IMFMarriage & Family Therapist1629216379
  26. Karen Lomeli Razo, NONEBehavior Technician1376128348
  27. Lucy Lonberger, MPASocial Worker1568687440
  28. Diane LongRehabilitation Practitioner1699123232
  29. Marquis LongBehavior Technician1033924311
  30. Tammy LongCounselor1366802001
  31. Paul Longacre, RADTAddiction (Substance Use Disorder) Counselor1205410495
  32. Adrian LopezDay Training/Habilitation Specialist1275352809
  33. Alejandro LopezMental Health Counselor1083105084
  34. Alfredo LopezCounselor1992247621
  35. Andrea Lopez, DPTPhysical Therapist1295143931
  36. Angelica LopezRehabilitation Practitioner1700765542
  37. Briana Lopez, ED.S.School Psychologist1184437907
  38. Brittany LopezStudent in an Organized Health Care Education/Training Program1437901618
  39. Camryn LopezBehavior Technician1700771425
  40. Carlos LopezDay Training/Habilitation Specialist1245063056
  41. Christina LopezAddiction (Substance Use Disorder) Counselor1477806479
  42. Christina Lopez, LVNLicensed Vocational Nurse1407557093
  43. Collete Lopez, BEHAVIORAL THERAPISTBehavior Technician1184259434
  44. Cristiana LopezBehavior Technician1902726003
  45. Daisy Lopez, FNPFamily Nurse Practitioner1114569878
  46. David Lopez, FNPFamily Nurse Practitioner1972266286
  47. Delia Lopez, COMMUNITY HEALTH WORCommunity Health Worker1831084987
  48. Eduardo LopezDay Training/Habilitation Specialist1336794056
  49. Eduardo Lopez, BA, AA-T, CPSSPeer Specialist1316879687
  50. Emily Lopez, FNPPrimary Care Nurse Practitioner1801725437

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

Santa Ana, California appears in the CMS National Plan and Provider Enumeration System with 8,904 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 Santa Ana - 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 Santa Ana 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 Santa Ana is weighted toward Behavior Technician (1,625 clinicians, followed by Mental Health Counselor with 684 and Marriage & Family Therapist with 678). 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, Santa Ana reports roughly 22.9 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.

Of California's most common specialties, Internal Medicine Physician is the most prominent one with no provider currently listing a Santa Ana practice address, a coverage gap Santa Ana patients typically fill by traveling to a larger nearby hub.

For Santa Ana 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 Santa Ana, CA?

There are 8,904 registered healthcare providers in Santa Ana, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Santa Ana?

The most common specialties in Santa Ana are Behavior Technician, Mental Health Counselor, Marriage & Family Therapist, Clinical Social Worker, Addiction (Substance Use Disorder) Counselor. Behavior Technician has the most providers with 1,625.

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.