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 64 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. Robert Hansen, PTPhysical Therapist1790719185
  2. Taylor HansenBehavior Technician1821670902
  3. Jennie Hanson, MA, MFT INTERNMarriage & Family Therapist1306997663
  4. Mari Hanson, M.A.Mental Health Counselor1952591737
  5. Rachel HansonBehavior Technician1801698204
  6. Irmina Haq, M.D.General Practice Physician1740542612
  7. Heidi Harder, LMFTMental Health Counselor1639427800
  8. Kaitlyn HardingBehavior Technician1457045262
  9. Scott Hardy, M.D., M.P.H.Medical Toxicology (Emergency Medicine) Physician1053468975
  10. Aidan HareBehavior Technician1932750635
  11. Heather Hargis, M.S., LMFTMarriage & Family Therapist1487749826
  12. Courtney Harkins, MFTMarriage & Family Therapist1427144195
  13. Edward Harkins, DCChiropractor1730200320
  14. James HarkinsLicensed Vocational Nurse1063999191
  15. Shirley Harmon, PSY.D.Clinical Psychologist1104859982
  16. Karyn Harmon-Mancini, PSY.D.Clinical Psychologist1962624841
  17. Amber HarmsSocial Worker1316413461
  18. Brynne Harned, LCSWSocial Worker1619492733
  19. Castolina Haro, MFTMental Health Counselor1104536150
  20. David HaroProfessional Counselor1033827936
  21. Raymond Haro-CortezMassage Therapist1902692528
  22. Marina HaroonMental Health Counselor1114462132
  23. Yasmin Haroon, M.D.Pediatrics Physician1831493949
  24. David Harp, PSY.D.Clinical Psychologist1457424442
  25. Taylor HarperPsychologist1942946751
  26. Tiffany HarperMarriage & Family Therapist1134912330
  27. Katherine Harper Regensburger, AMFTMarriage & Family Therapist1396564902
  28. Brian Harpst, AMFTMarriage & Family Therapist1356824130
  29. Mary Harr, R.N.Adult Psychiatric/Mental Health Registered Nurse1649435108
  30. Melissa Harren, LVNLicensed Vocational Nurse1134436710
  31. Dana HarrisRegistered Nurse1891190153
  32. Grace HarrisBehavior Technician1730984675
  33. Jenai HarrisCounselor1740475656
  34. Lindsay Harris, LVNLicensed Vocational Nurse1932979945
  35. Madelyn HarrisBehavior Technician1861250011
  36. Megan Harris, M.S.Rehabilitation Practitioner1982164711
  37. Raeesah HarrisBehavior Technician1750168282
  38. Rexford HarrisMarriage & Family Therapist1730878265
  39. Shandori Harris, BCBABehavior Analyst1386283711
  40. Skyler HarrisStudent in an Organized Health Care Education/Training Program1265960330
  41. Amanda HarrisonSocial Worker1720711021
  42. Calvin Harrison, CMTMechanotherapist1184589897
  43. Maritza Harrison, FNPFamily Nurse Practitioner1114237104
  44. Scott Harrison, M.D.Pediatrics Physician1063473486
  45. Savanna HartAddiction (Substance Use Disorder) Counselor1508518515
  46. Susan HartAddiction (Substance Use Disorder) Counselor1407261548
  47. James Harte, PHDClinical Psychologist1417910993
  48. Victoria HartigBehavior Technician1730948902
  49. Lisa Hartman, LCSWClinical Social Worker1164363032
  50. Aeli HartmannFamily Nurse Practitioner1619433117

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.