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 97 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. Dana MarinoAdult Health Nurse Practitioner1295982536
  2. Amber Marinoff, M.A.Mental Health Counselor1033132659
  3. Cynthia Mariuta, FNP-CFamily Nurse Practitioner1265285498
  4. Susan MarkPediatric Occupational Therapist1922045772
  5. Kristina MarkovichAddiction (Substance Use Disorder) Counselor1336738798
  6. Kiah MarksClinical Social Worker1215305727
  7. Michael MarksCommunity Health Worker1598258279
  8. Remington Markwell, MOT, OTOccupational Therapist1053168922
  9. Melody Marler, LPS ADVOCATECounselor1952494155
  10. Natalie MarleyBehavior Technician1932781911
  11. Anthony MarloLicensed Vocational Nurse1518768365
  12. Joel Marlowe, M.S.Marriage & Family Therapist1417048158
  13. Denise MarmolejoSocial Worker1366937369
  14. Victoria MarohnMarriage & Family Therapist1720547557
  15. Cory MarohnicAddiction (Substance Use Disorder) Counselor1578129219
  16. Alfred Marquez, CATCAddiction (Substance Use Disorder) Counselor1598852923
  17. Cabrini MarquezNurse's Aide1932577913
  18. Coral Marquez, BEHAVIOR TECHNICIANBehavior Technician1023750981
  19. Dean MarquezSocial Worker1235799651
  20. Ernest MarquezAddiction (Substance Use Disorder) Counselor1902406846
  21. Irene MarquezBehavior Technician1558298406
  22. James Marquez, IMFMarriage & Family Therapist1447349501
  23. Joseph Marquez, PH.D.Clinical Psychologist1902273949
  24. Lauren MarquezCounselor1841925393
  25. Maria MarquezCase Manager/Care Coordinator1538451976
  26. Natalie MarroquinSocial Worker1386514438
  27. Lisa MarrsSocial Worker1760798557
  28. Ralph Marrujo, CDACCAddiction (Substance Use Disorder) Counselor1336410380
  29. Summer Marsh, DOStudent in an Organized Health Care Education/Training Program1205774197
  30. Nolan MarshallBehavior Technician1013752021
  31. Chelsea Marta, COTAOccupational Therapy Assistant1871481556
  32. Mary-Ellouise MartellAddiction (Substance Use Disorder) Counselor1588337836
  33. Jennifer Martens, RN, IBCLCPsychiatric/Mental Health Registered Nurse1811191083
  34. Anthony MartinCounselor1053434654
  35. Debora Martin, MA, LCADCAddiction (Substance Use Disorder) Counselor1972720001
  36. Diane Martin, MS IN COUNSELINGMarriage & Family Therapist1053578062
  37. Dominick MartinMarriage & Family Therapist1801753793
  38. Julian MartinSpecialist1487260758
  39. Leila MartinBehavior Technician1215802798
  40. Melanie MartinMarriage & Family Therapist1003680323
  41. Tenney Martin, ASWClinical Social Worker1558165993
  42. Teresse MartinMental Health Counselor1215125091
  43. Virginia MartinBehavior Technician1699310045
  44. Mariana Martin Del CampoCommunity Health Worker1750709994
  45. Elvia Martin Del Campo GarciaDay Training/Habilitation Specialist1013892462
  46. Alejandro MartinezMental Health Counselor1598642043
  47. Alex MartinezBehavior Technician1427812395
  48. Ana MartinezCommunity Health Worker1568801074
  49. Aniya MartinezBehavior Technician1255219408
  50. Anna MartinezBehavior Analyst1487223459

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.