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 149 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. Shahrzad SheedehBehavior Analyst1295277069
  2. Donald SheehanAddiction (Substance Use Disorder) Counselor1326502071
  3. Michael Sheety, M.D., F.A.C.S.Specialist1871578120
  4. Valerie Sheety-Pilon, O.D.Optometrist1316975410
  5. Merna ShehataBehavior Technician1730649393
  6. Khalil Sheibani, MDAnatomic Pathology & Clinical Pathology Physician1891865150
  7. Fatemeh Sheikhan, MDSpecialist1467593434
  8. Jeanette Shelly, RN, MS, FNP, NP-CFamily Nurse Practitioner1740281765
  9. Joanne ShellyAddiction (Substance Use Disorder) Counselor1386736692
  10. Karen SheltonOccupational Therapist1003262163
  11. Kathleen SheltonBehavior Technician1861023061
  12. Shan ShenStudent in an Organized Health Care Education/Training Program1962332478
  13. Yong ShenFamily Nurse Practitioner1104682020
  14. Chad SheppardRegistered Nurse1588459747
  15. Madison ShererBehavior Technician1871052589
  16. Jennifer SheridanMental Health Counselor1821661273
  17. Becky Sherlock, BTBehavior Technician1245753425
  18. Chauncy ShermanMarriage & Family Therapist1770218307
  19. Ronald Sherman, MDInfectious Disease Physician1295903631
  20. Sarah Sherman, D.O.Psychiatry Physician1154614485
  21. Lawrence Sherwin, M.D.Dermatopathology Physician1508863150
  22. Naveen Shetty, MPHMental Health Counselor1891243952
  23. Crystal ShiStudent in an Organized Health Care Education/Training Program1528928447
  24. Sean Shick, SONOGRAPHERSonography Radiologic Technologist1609977529
  25. Katherine ShierBehavior Technician1104580042
  26. Leslie Shigemasa, R.D.Registered Dietitian1932231792
  27. Molly ShigetaAddiction (Substance Use Disorder) Counselor1316426067
  28. Hiroaki ShigeyamaMarriage & Family Therapist1891625034
  29. Helen Shih, D.D.SDentist1073777421
  30. Susan ShimaMedical Physician Assistant1265233688
  31. Dawn Shimoda, RNRegistered Nurse1194074344
  32. Eric Shimono, B.ACase Manager/Care Coordinator1417141185
  33. Andrew Shin, DOStudent in an Organized Health Care Education/Training Program1053167056
  34. Peter Shin, DDSGeneral Practice Dentistry1275614737
  35. Arshia Shirzadi, D.O.Psychiatry Physician1689786550
  36. Reyna ShisbeyBehavior Technician1447013636
  37. Melissa Shively, CADCIIAddiction (Substance Use Disorder) Counselor1790329191
  38. Jan Shoda, RN, PHNCommunity Health Registered Nurse1437233467
  39. Rebecca Shoda-Meyer, PSYDClinical Psychologist1831350529
  40. Homa Shoghian-Shabanpour, M.DFamily Medicine Physician1487797502
  41. Leslie Shokes, MDOrthopaedic Surgery Physician1548333669
  42. Fariba Shokoohy, M.D.General Practice Physician1962694869
  43. James Shon, L.AC.Acupuncturist1518241868
  44. Stacey Shoop, M.D.Medical Physician Assistant1104222124
  45. Arlene Shorey, RNCommunity Health Registered Nurse1144401548
  46. Steven Shu, PH.D., O.M.D.Acupuncturist1104073071
  47. Mark Shugarman, LMFTMarriage & Family Therapist1053672071
  48. John Shui, DDSDentist1760545594
  49. Garima Shukla, DMDGeneral Practice Dentistry1003430901
  50. Heather Shumway, D.O.Family Medicine Physician1609166487

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.