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 159 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. Bobbi ThompsonMarriage & Family Therapist1942038302
  2. Caroline Thompson, BCBABehavior Analyst1760755300
  3. Hillary ThompsonStudent in an Organized Health Care Education/Training Program1720864242
  4. Sharon Thompson, PT, DPT, CSCSPhysical Therapist1023562220
  5. Tericia Thompson, LMFT, LPCCMarriage & Family Therapist1740030451
  6. Maya Thona, R.N.Community Health Registered Nurse1710059852
  7. Sopheap ThongMental Health Counselor1124049051
  8. Stephen Thornhill, DPTPhysical Therapist1992327100
  9. April Thornton, LMFTMarriage & Family Therapist1073612511
  10. Bridget ThorntonCounselor1447910740
  11. Kelly Thue, RN, BSN, PHNCommunity Health Registered Nurse1619157187
  12. Julia Tiampati, RN, MSNRegistered Nurse1467076356
  13. Richard Tian, BEHAVIOR TECHNICIANBehavior Technician1215539713
  14. Joshua Christopher TibayanDay Training/Habilitation Specialist1669034286
  15. Janice TibbettsOccupational Therapist1457000721
  16. Alexa TickenoffBehavior Technician1386485530
  17. Alison Tickenoff, LVNLicensed Vocational Nurse1730845041
  18. Ying-Kan Tien, MDAnesthesiology Physician1831271055
  19. Nicole Tieu, ASWSocial Worker1407571888
  20. Sigifredo TijerinaAddiction (Substance Use Disorder) Counselor1821193426
  21. Megan Tillman, MFTMarriage & Family Therapist1649505306
  22. Tiffany TillmanCase Manager/Care Coordinator1265192140
  23. Felicia TingStudent in an Organized Health Care Education/Training Program1881473817
  24. Michael TingMental Health Counselor1285048934
  25. Sarah Tinjaca, RBTOther Technician1700245107
  26. Anwell TiongcoRegistered Nurse1376109538
  27. Sabrina TiradorFamily Nurse Practitioner1386442564
  28. Denise Tirol, MSN, RN, PHNPublic Health & General Preventive Medicine Physician1295456424
  29. Susan Tiso, NPFamily Nurse Practitioner1336259126
  30. Kayla TisonStudent in an Organized Health Care Education/Training Program1821943416
  31. Melissa TithClinical Social Worker1740778786
  32. Kristian Tjon, D.D.S.Dentist1104080928
  33. Caitlin To, BEHAVIOR TECHNICIANBehavior Technician1699471680
  34. Breann Tobias, PT, DPTPhysical Therapist1720965338
  35. John TobiasAddiction (Substance Use Disorder) Counselor1891335196
  36. Richy TochihuitlCommunity Health Worker1790564847
  37. Garrett TochiokaPharmacist1336687441
  38. Alicia TokunagaPhysician Assistant1073815353
  39. Lafawn Toles, LMFTMarriage & Family Therapist1750610341
  40. Kimberly ToliverRegistered Nurse1124886692
  41. Tara Toloui Rahimabadi, MDStudent in an Organized Health Care Education/Training Program1649899592
  42. Kelsey TomMental Health Counselor1700396116
  43. Julianne Ton, DDSGeneral Practice Dentistry1841320405
  44. Alyssa Tonelli, D.O.Family Medicine Physician1750837993
  45. Joshua ToneyMental Health Counselor1891531711
  46. Sherrilyn Tong, RPTPhysical Therapist1861614869
  47. Darlene Topacio, P.A.Medical Physician Assistant1528129095
  48. Neda TorabiAddiction (Substance Use Disorder) Counselor1477148203
  49. William Tornquist, MFTMarriage & Family Therapist1972749620
  50. Jessica Torrance, CNMAdvanced Practice Midwife1376610113

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.