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 139 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. Brianna Rogers-Calva, ASWSocial Worker1093696726
  2. Jamie RogersonPhysical Therapist1093103269
  3. Philip RoggowSocial Worker1407096381
  4. Arnold RoguelPediatric Occupational Therapist1235471798
  5. Joshua RohBehavior Technician1700488897
  6. Ali Roham, D.O.Plastic Surgery Physician1851690531
  7. Christian RohnerCase Manager/Care Coordinator1336320381
  8. Adam RojasStudent in an Organized Health Care Education/Training Program1891426565
  9. Cindy RojasCase Manager/Care Coordinator1710693015
  10. Cristian RojasBehavior Technician1912713637
  11. Eduardo Rojas, MSW, ACSW, PPSCSchool Social Worker1255115325
  12. Jacqueline RojasSocial Worker1417523911
  13. Jose RojasMental Health Counselor1306009626
  14. Marcela RojasBehavior Technician1639972409
  15. Yazmin Rojas Cameron, LCSWPsychiatry Physician1851259451
  16. Jeannette Rojas Rivero, AMFTMarriage & Family Therapist1831816834
  17. Breana Rojo, MANurse's Aide1609113893
  18. Terry Roland, RADTAddiction (Substance Use Disorder) Counselor1164297677
  19. Alexander RollBehavior Technician1104695741
  20. Ashley RomanBehavior Analyst1124863584
  21. Esperanza RomanMental Health Counselor1376195966
  22. Karol RomanBehavior Technician1518823749
  23. Lidia Roman, AMFT, ALPCCMental Health Counselor1992350102
  24. Michelle RomanCommunity Health Worker1376289660
  25. Mayra Roman AguilarMarriage & Family Therapist1932380821
  26. Denise Romancik, RNRegistered Nurse1801537824
  27. Minerva Romano CorreaMarriage & Family Therapist1831567221
  28. Alyssa RomerBehavior Technician1457825523
  29. Ariana Romero, L.V.N.Licensed Vocational Nurse1881003788
  30. Cesar RomeroMental Health Counselor1538504121
  31. Eliott Romero, M.D.Family Medicine Physician1942361548
  32. Elvira RomeroCase Manager/Care Coordinator1992973705
  33. Evelio RomeroBehavior Technician1902761406
  34. Jaclyn RomeroBehavior Technician1447966395
  35. Jamillet Romero, AMFTMarriage & Family Therapist1720741861
  36. Jorge RomeroMental Health Counselor1164972535
  37. Lauri Romero, MA CJMental Health Counselor1457525313
  38. Lianna RomeroPeer Specialist1316616121
  39. Michael RomeroSpecialist1568913630
  40. Natasha RomeroStudent in an Organized Health Care Education/Training Program1831519487
  41. Richard Romero, PA-CPhysician Assistant1598522849
  42. Sergio RomeroSchool Psychologist1235077611
  43. Shanene Romero, LMFTMarriage & Family Therapist1114463452
  44. Anayeli Romero JaracuaroBehavior Technician1558945766
  45. Glenda Romero-Urquhart, M.D.Diagnostic Radiology Physician1508801499
  46. Jocelyn Romey, RNRegistered Nurse1730917170
  47. Alejandra Romo, BCBABehavior Analyst1518528470
  48. Beatriz RomoBehavior Technician1629655998
  49. Kimberly RomoMarriage & Family Therapist1982040283
  50. Katelyn RongenBehavior Analyst1801353198

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.