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 61 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. Paulina Guerra AvilezBehavior Technician1033056627
  2. Alicia Guerrero, AMFTMarriage & Family Therapist1487388591
  3. Cristina Guerrero, PT, DPTPhysical Therapist1326721218
  4. Jose GuerreroPhysical Therapy Assistant1124425491
  5. Josue GuerreroDay Training/Habilitation Specialist1487144002
  6. Lorene Guerrero, LVNLicensed Vocational Nurse1164917647
  7. Stephanie GuerreroBehavior Technician1417631532
  8. Stephenie Guerrero, MSWClinical Social Worker1508236449
  9. Geena Guerrido, M.A.Student in an Organized Health Care Education/Training Program1700254398
  10. Alejandra GuevaraPeer Specialist1578064457
  11. Cynthia GuevaraLicensed Vocational Nurse1598681157
  12. Gabrielle GuevaraPhysician Assistant1689524183
  13. Gilberto Guevara, DDSDentist1649331315
  14. Jose GuevaraBehavior Technician1255295622
  15. Tania GuevaraBehavior Technician1477193985
  16. Bernadette Guevarra, RNRegistered Nurse1205599057
  17. Sara GuibertClinical Social Worker1295404580
  18. Olivia GuidaChild & Adolescent Psychiatric/Mental Health Registered Nurse1528453172
  19. Tracie GuierMental Health Counselor1780126482
  20. Stephanie Guijarro, BCBABehavior Analyst1104199504
  21. Alejandra Guillen, BEHAVIOR TECHNICIANBehavior Technician1215507215
  22. Andrea Guillen, ASWMental Health Counselor1326979626
  23. Denia GuillenSocial Worker1497835201
  24. Karina GuillenSchool Social Worker1366133647
  25. Mariana GuillenBehavior Technician1306495510
  26. Norma Guillen, RTRadiologic Technologist1891994711
  27. Rosa Guillen, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1952777989
  28. Sandra Guillen, PPSMental Health Counselor1942769880
  29. Maria Guillen LopezLicensed Vocational Nurse1407476476
  30. Lindsay Guin, LMFTAddiction (Substance Use Disorder) Counselor1417619727
  31. Youssef GuindyDentist1730368267
  32. Luis GuizarMental Health Counselor1215405121
  33. Sunil Gulaya, M.DAddiction Medicine (Psychiatry & Neurology) Physician1477624211
  34. Michelle GullyFamily Nurse Practitioner1801557947
  35. Chantal Gumpal, LVNLicensed Vocational Nurse1205013828
  36. Julie GundersonSpeech-Language Pathologist1174464655
  37. Terry Gundlach, DDSGeneral Practice Dentistry1972605426
  38. David Gunn, AMFTMental Health Counselor1033607239
  39. Abha Gupta, M.D.Specialist1336140458
  40. Amy Gurevitz, PA-CPhysician Assistant1265027775
  41. Maria Gurrola, LVNLicensed Vocational Nurse1922887033
  42. Octavio GurrolaMental Health Counselor1649727264
  43. Jyoti Gustafson, LMFTMarriage & Family Therapist1700184124
  44. Kevin Gustafson, MDOphthalmology Physician1093210981
  45. Sean GuthrieCounselor1780822007
  46. Andrew GutierrezBehavior Technician1306518162
  47. Angelica GutierrezHealth Educator1942673009
  48. Breanna Gutierrez, M.S.Addiction (Substance Use Disorder) Counselor1083822407
  49. Carolina GutierrezCommunity Health Worker1659194843
  50. Celia Gutierrez, PA-CPhysician Assistant1861796609

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.