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 93 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. Alonso Lugo, RN, BSNRegistered Nurse1659068997
  2. Victor LugoClinical Social Worker1801356183
  3. Iulian Lugoj, P.T.Physical Therapist1568795664
  4. Citlali Luis-MartinezMarriage & Family Therapist1134074966
  5. Jowell Carlo Luistro, M.D.Family Medicine Physician1437352648
  6. Jaleen LujanBehavior Technician1437843315
  7. Maricela Lujan, MDPediatrics Physician1366512451
  8. Tiffanie Luk, M.D.Student in an Organized Health Care Education/Training Program1851735286
  9. Michele LukaCommunity Health Worker1295974558
  10. Mc Froilan Troy Lumantas, LPTLicensed Psychiatric Technician1629889605
  11. Annette Luna, RNRegistered Nurse1114362290
  12. Cristian LunaBehavior Technician1548868219
  13. Elizabeth Luna, M.A.Mental Health Counselor1861658312
  14. Heather LunaSocial Worker1972683241
  15. Jaime Luna, PA-CPhysician Assistant1962615369
  16. Lluvia LunaCounselor1457780835
  17. Manuel Luna, MSWSocial Worker1811686041
  18. Mary LunaMental Health Counselor1942491956
  19. Milko LunaBehavior Technician1942963434
  20. Sonia LunaCase Manager/Care Coordinator1952624397
  21. Leticia Luna-Pinto, LMFTMarriage & Family Therapist1083706998
  22. Cynthia LungrenMarriage & Family Therapist1972304608
  23. Chong Luo, LACAcupuncturist1598932832
  24. Brian Luong, D.M.D., M.B.A.Orthodontics and Dentofacial Orthopedics Dentistry1568868149
  25. Ha LuongCommunity Health Registered Nurse1730253618
  26. Minh Tam Luong, FNPFamily Nurse Practitioner1659798163
  27. My Luong, MDPsychiatry Physician1932207172
  28. Vivian LuongPhysician Assistant1275345910
  29. Heather Luppino, OTAOccupational Therapy Assistant1053256172
  30. Brianna LuriaAddiction (Substance Use Disorder) Counselor1144792797
  31. Karen Lutgerding, PTPhysical Therapist1962910240
  32. Ben Luu, M.P.H.Mental Health Counselor1548280712
  33. Cassidy LuuBehavior Technician1710776273
  34. Christine LuuClinical Social Worker1669038014
  35. Henry Luu, PHARMDPharmacist1538783451
  36. Julie LuuPeer Specialist1023740008
  37. Kelsey Luu, RBTOther Technician1841659703
  38. Larissa Luu, MDFamily Medicine Physician1750940714
  39. Stephanie LuuPhysician Assistant1841076189
  40. Trish LuuFamily Nurse Practitioner1659248680
  41. Tran Luu Yang, BCBAClinical Psychologist1982946588
  42. Ailene LyCase Manager/Care Coordinator1073796827
  43. Anhvuong Ly, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1306191267
  44. Camlai LyPharmacy Technician1841681145
  45. Don LyBehavior Technician1750154191
  46. Jean Ly, PHARM.D.Pharmacist1750692315
  47. Nhu Ly, O.D.Optometrist1114252954
  48. Olivia Ly, LCSWClinical Social Worker1255667374
  49. Teyler LyDay Training/Habilitation Specialist1841970712
  50. Tiffany Ly, BACounselor1093018947

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.