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 29 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. Perlyn Chico, LVNLicensed Vocational Nurse1073034492
  2. Mai ChiemCommunity Health Registered Nurse1770764573
  3. Chia-Ling Chien, RDNRegistered Dietitian1427873728
  4. Breyauna ChildsBehavior Technician1235933433
  5. Rachel Chin, D.O.Pediatrics Physician1649697079
  6. Raymond ChingDentist1679607279
  7. Regina Chinsiokwong, D.O.Family Medicine Physician1265597488
  8. Angela Chiou, M.D.Plastic and Reconstructive Surgery Physician1811998065
  9. Noraima ChirinosCommunity Health Worker1336929397
  10. Andy ChiuPhysical Therapist1932742293
  11. Gene Chiu, PHARM.D.Pharmacist1710534599
  12. Sara Chiu, M.D.Psychiatry Physician1639496730
  13. Arhm Cho, BEHAVIOR TECHNICIANBehavior Technician1215524426
  14. David ChoSpeech-Language Pathologist1598002727
  15. Elieta Cho, R.D.Registered Dietitian1275928590
  16. Eun ChoCounselor1184983413
  17. Heesuk ChoAcupuncturist1205550811
  18. Hyunjoo Cho, RNCommunity Health Registered Nurse1598830077
  19. Jemma ChoCritical Care Pharmacist1730892324
  20. Julia Cho, AMFT, APCCMarriage & Family Therapist1710333935
  21. Ka Wing Cho, MDPediatrics Physician1609263730
  22. Lucy ChoBehavior Technician1659228153
  23. Sharon ChoClinical Social Worker1679158182
  24. Sean ChoeBehavior Technician1053201053
  25. Yoon Choe, DDSDentist1811099948
  26. Cassidy ChoiBehavior Technician1699665364
  27. Eleanor ChoiBehavior Technician1003751348
  28. Jadon ChoiBehavior Technician1164211124
  29. Misun Choi, NPNurse Practitioner1386193480
  30. Tony Choi, MDEmergency Medicine Physician1457388308
  31. Yeaeun ChoiMarriage & Family Therapist1770295222
  32. Yoonhee Choi, MDPhysical Medicine & Rehabilitation Physician1063703569
  33. Yuri Choi, MSMarriage & Family Therapist1306653878
  34. Arely Cholula Bruno, LMFTMarriage & Family Therapist1881160430
  35. Jose Cholula Bruno, MA, EDDClinical Psychologist1578873584
  36. Dutonne ChongBehavior Technician1093392003
  37. Hannah ChongBehavior Technician1871244343
  38. Yadira ChontalAddiction (Substance Use Disorder) Counselor1093069700
  39. Nicholas ChornomudAddiction (Substance Use Disorder) Counselor1285312371
  40. Jessica ChowMarriage & Family Therapist1356611263
  41. Omar Chowdhry, D.O.Anesthesiology Physician1972735074
  42. Melissa ChoyPharmacist1922282060
  43. Heather ChoyceCase Manager/Care Coordinator1851636112
  44. Hanne ChristensenMarriage & Family Therapist1316691777
  45. Lindsey ChristianMental Health Counselor1457809329
  46. Ann Marie Christian HenryStudent in an Organized Health Care Education/Training Program1184562977
  47. Teri Christy, D.O.Pediatrics Physician1962713636
  48. Karee Chrysovergis, FNPAdult Medicine Physician1649805250
  49. David Chu, RNRegistered Nurse1184438871
  50. Ricky Chu, DOPsychiatry Physician1922669613

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.