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 28 of 179.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Santa Ana

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. Natalia ChavezBehavior Technician1619843513
  2. Nora ChavezDay Training/Habilitation Specialist1861580508
  3. Pilar ChavezCounselor1316323017
  4. Rene ChavezMental Health Counselor1326602178
  5. Richard ChavezRehabilitation Practitioner1386453546
  6. Victoria Chavez, FNP-CFamily Nurse Practitioner1194375568
  7. Marisol Chavez Canales, RNCase Manager/Care Coordinator1447903554
  8. Rocio Chavez-Bonilla, LCSWSocial Worker1528330941
  9. Alexander Chavez-SilesMental Health Counselor1043976046
  10. Rafael ChaviraCommunity Health Worker1346181302
  11. Ayanna ChawlaBehavior Technician1033938253
  12. Caitlin CheaBehavior Technician1487532081
  13. Emily Cheatum, PSY.DMental Health Counselor1346468303
  14. Nonette Chee, RNPsychiatric/Mental Health Registered Nurse1669613857
  15. Amery Chen, D.O.Family Medicine Physician1518378462
  16. Cheryl ChenBehavior Technician1790321735
  17. Daniel ChenBehavior Technician1295674414
  18. David Chen, MDGeneral Practice Physician1023016896
  19. Dennis Chen, MS/OTR/LOccupational Therapist1265612790
  20. Hung Chen, MDGeneral Practice Physician1972681948
  21. Hung-Wen ChenPhysical Therapist1891837100
  22. Ingrid Chen, DDSGeneral Practice Dentistry1811653363
  23. Irene Chen, OTR/LOccupational Therapist1295934800
  24. Kristin Chen, PTPhysical Therapist1588710784
  25. Margaret Chen, M.D.Family Medicine Physician1932335247
  26. Ming Chen, D.O.Adult Medicine Physician1376749101
  27. Peter ChenGeneral Practice Dentistry1841336898
  28. Sanford Chen, M.D.Ophthalmology Physician1427051994
  29. Sharon ChenPsychiatry Physician1417410713
  30. Tina Chen, RNAdult Psychiatric/Mental Health Registered Nurse1568897924
  31. Yan ChenRegistered Nurse1144840968
  32. Yee Chi Christina Chen, RDRegistered Dietitian1417402025
  33. Yinju Chen, PT, DPT, PCSPhysical Therapist1477088334
  34. Yvonne ChenSpeech-Language Assistant1366920043
  35. Wayne Cheng, L.AC.Acupuncturist1376749150
  36. Tricia Cheng Aita, MPTPhysical Therapist1265773030
  37. Judy Cheng-Chen, M.D.Family Medicine Physician1982786521
  38. Rebekah CheonMental Health Counselor1851489652
  39. Maryam CheraghiCommunity Health Worker1447021217
  40. Mitch ChernessAddiction (Substance Use Disorder) Counselor1861599185
  41. Anna ChernitskayaAddiction (Substance Use Disorder) Counselor1245887892
  42. Michele Cherow, DPTPhysical Therapist1023406170
  43. Rosemary Chesters, MAMarriage & Family Therapist1326392390
  44. Crystal CheungStudent in an Organized Health Care Education/Training Program1033859483
  45. Michele Cheung, MDPediatric Infectious Diseases Physician1467563551
  46. Cynthia Chew, LCSWClinical Social Worker1215380324
  47. Wesley Chew, O.D.Optometrist1952714446
  48. Sorina Chhay, OTR/LOccupational Therapist1881093631
  49. Carlo Chiana, NONEBehavior Technician1821760562
  50. Chun Chiang, M.D.Family Medicine Physician1457657710

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.