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 140 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. Alexis RoodRegistered Nurse1134907512
  2. Shylee RoohianBehavior Technician1528837150
  3. Kathleen Rorem-GodinHealth Service Psychologist1013226547
  4. Liza Ros, NPAcute Care Nurse Practitioner1972836484
  5. Angelica RosalesBehavior Technician1144177270
  6. Arianna RosalesBehavior Technician1447110028
  7. Bernadine RosalesBehavior Technician1265217251
  8. Francisco RosalesCommunity Health Worker1104560242
  9. Kristi Rosales, PTAPhysical Therapy Assistant1245059484
  10. Veronica Rosales, D.D.S.Dentist1740304674
  11. Carlos Rosario, MDClinical Neurophysiology Physician1477560829
  12. Manuel Rosario, D.O.Physical Medicine & Rehabilitation Physician1841203882
  13. Dafne Rosas, NONEBehavior Technician1477218535
  14. Janet RosasPharmacist1922630185
  15. Kristine RosasStudent in an Organized Health Care Education/Training Program1396440350
  16. Lizbeth RosasMarriage & Family Therapist1891025862
  17. Yesenia Rosas, LMFTMarriage & Family Therapist1578312278
  18. Jane Roschmann, LMFTMarriage & Family Therapist1568603561
  19. Kameryn Rose, LMFTMarriage & Family Therapist1750861936
  20. Paul RosellMarriage & Family Therapist1457840704
  21. Noah RoselliniBehavior Technician1720889439
  22. Gyongyver RosenClinical Social Worker1922514751
  23. Kelsey Rosen, MS, CCC-SLPSpeech-Language Pathologist1881016301
  24. Lindsey RosenOccupational Therapist1215451869
  25. Sandra Rosen, LCSWClinical Social Worker1013177005
  26. Paul RosenblumCounselor1164722575
  27. James Roser, CPT1Addiction (Substance Use Disorder) Counselor1871688895
  28. Karina Rosiles, NONEBehavior Technician1649941386
  29. Constance Rosplock, R.N., P.H.N.Community Health Registered Nurse1770765554
  30. Alan Ross, MDInternal Medicine Physician1699839332
  31. Alexandra Ross, SLP-CCCSpeech-Language Pathologist1023410800
  32. Angelica Ross, PA-CMedical Physician Assistant1033410717
  33. Timothy Ross, MDOrthopaedic Surgery Physician1548347057
  34. Ty Ross, MA, BAMental Health Counselor1912553074
  35. Michele Rossi, M.ED.Addiction (Substance Use Disorder) Counselor1659564045
  36. Jasmine Rossi-DevriesSocial Worker1346748316
  37. Jenny RossopoulosOccupational Therapist1659196707
  38. Michelle Roth, PH.DClinical Psychologist1366606386
  39. Kalia Rothlind, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1801412507
  40. Isabel RothsteinClinical Social Worker1366944605
  41. Anita RotichCommunity Health Worker1326746934
  42. Philip Rotter, MDOrthopaedic Surgery Physician1780911495
  43. Delilah RountreePeer Specialist1548047947
  44. Elizabeth RowClinical Social Worker1265607006
  45. Carlos Rowe, MSWClinical Social Worker1912275579
  46. Elizabeth RowenBehavior Technician1215894233
  47. Hamid Rowshan, D.C.Chiropractor1609101005
  48. Marco Floro Roxas, RNRegistered Nurse1609589068
  49. Robina RoyerMental Health Counselor1982533931
  50. Noelle Royer-SchuurmansMental Health Counselor1548925357

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.