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 8 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. Kayly ArreagaCounselor1073342770
  2. Jessica ArredondoDay Training/Habilitation Specialist1598647950
  3. Daniel Arreola, LMFT163941Marriage & Family Therapist1841754900
  4. Marcia ArreolaCounselor1467747501
  5. Omar ArreolaBehavior Technician1427917376
  6. Sonia Arriaza Marroquin, PA-CPhysician Assistant1578340774
  7. Michael ArrietaMental Health Counselor1265142863
  8. Stephanie Arrieta, RNRegistered Nurse1891631982
  9. Jessica ArriolaBehavior Technician1043895493
  10. Hailey ArroligaPeer Specialist1821878315
  11. Jennifer Arrowchis, RN BSNCommunity Health Registered Nurse1871776625
  12. Melina ArroyaveMental Health Counselor1972015493
  13. Antonio ArroyoMental Health Counselor1073145454
  14. Charlotte ArroyoBehavior Technician1659154292
  15. Erika ArroyoBehavior Technician1033071733
  16. Perla ArroyoCase Manager/Care Coordinator1497510937
  17. Stephanie ArroyoMental Health Counselor1871061598
  18. Sara ArsenaultCounselor1558856948
  19. Alailah ArseoBehavior Technician1609519867
  20. Diane ArteagaMental Health Counselor1780777631
  21. Nandeye ArteagaBehavior Technician1417637794
  22. Joel Arter, MDFamily Medicine Physician1942512744
  23. Terese Arthur, B.S., RBTBehavior Technician1902314453
  24. Dante ArthursMental Health Counselor1982063251
  25. Eliana ArvizuMental Health Counselor1124384680
  26. Jeannine Arya, RNCommunity Health Registered Nurse1265945596
  27. Siddarth Arya, RNCommunity Health/Public Health Clinical Nurse Specialist1437509981
  28. Michelle Asai, CADC IAddiction (Substance Use Disorder) Counselor1467131714
  29. Anna AscencioMarriage & Family Therapist1669314878
  30. Ian Ashby, CADC IIAddiction (Substance Use Disorder) Counselor1447740501
  31. Charmaine Asher, LCSWClinical Social Worker1215430632
  32. Tricia Ashimine, D.P.T.Pediatric Physical Therapist1598794703
  33. Julie AshleyLicensed Vocational Nurse1790083269
  34. Whitney Ashlock, ACSWClinical Social Worker1750043055
  35. Ali Ashtiani, M.D.Cardiovascular Disease Physician1295155588
  36. Jessica AshtonBehavior Technician1508441965
  37. Jeromy Asido, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1598233629
  38. Hebatalla AskerSpeech-Language Pathologist1790495315
  39. Paul AstonBehavior Technician1922659960
  40. Nila AstwoodBehavior Technician1336941814
  41. Irelyn AsuncionRegistered Nurse1811536949
  42. Patricia Asuncion, PSY.D.Psychologist1649790866
  43. Sean Ataee, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1144363011
  44. Neely AtamaniukStudent in an Organized Health Care Education/Training Program1275273310
  45. Patricia Atie, O.D., F.C.O.V.D.Optometrist1255435517
  46. Odraleva Atienza, RNRegistered Nurse1902426398
  47. Ani Atoian, MDFamily Medicine Physician1174743504
  48. Monica Attalla, BCBABehavior Analyst1629663844
  49. Alexandra Atterton-FurnissDay Training/Habilitation Specialist1902604663
  50. Ashlynn AtwoodBehavior Technician1497510200

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.