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 151 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. Chander Singh, R.N.Community Health Registered Nurse1477735918
  2. Jaipreet Singh, LVNLicensed Vocational Nurse1346090768
  3. Marisol SinghBehavior Technician1073390902
  4. Narindar Singh, M.D.Pulmonary Disease Physician1992805683
  5. Navneet Singh, D.O.Internal Medicine Physician1790181311
  6. Shayann SinghMarriage & Family Therapist1467121996
  7. Mary Singleton, MFTMarriage & Family Therapist1184864167
  8. William Singleton, PH. D., M.F.T.Marriage & Family Therapist1336239425
  9. Jennie SingsayBehavior Technician1154108777
  10. Julianne SinocruzBehavior Technician1083479034
  11. Maria SioBehavior Technician1508449299
  12. Penny Sio-Pham, RNCommunity Health Registered Nurse1558982819
  13. Eliana SiordiaCommunity Health Worker1306643176
  14. Marianna Siordia, MSW, LCSW, PPSCClinical Social Worker1609569730
  15. Pamela Sipchen, RN, PHNRegistered Nurse1235366105
  16. Gary Sipiora, MFTIMental Health Counselor1144570136
  17. Joshua SippellRehabilitation Practitioner1710465083
  18. Dimitri Sirakoff, DOFamily Medicine Physician1164467056
  19. Baratha Siregar, RNRegistered Nurse1427783141
  20. Mohammad Sirjani, DDSEndodontics1528528783
  21. Michelle Sison, MSN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1467009084
  22. Curtis Siu, PHARM.D.Pharmacist1841709839
  23. Madeline SkibelBehavior Technician1619748928
  24. Denise SkidmoreBehavior Technician1821671413
  25. Kaitlin SkinnerBehavior Technician1013773167
  26. Diane Skirzynski, R.N.Adult Psychiatric/Mental Health Registered Nurse1073686531
  27. Danielle SkolnickAssistant Health Information Record Technician1215478748
  28. Melissa SkrederstuAddiction (Substance Use Disorder) Counselor1366320905
  29. Sofia SkukanBehavior Technician1811702004
  30. Gloria Slater-Garrett, RNAdult Psychiatric/Mental Health Registered Nurse1720178189
  31. Kimberley Sligar, LCSWClinical Social Worker1063893931
  32. Elzbieta Sliwa-Luce, M.D.Geriatric Psychiatry Physician1053425512
  33. Nelda SmartClinical Social Worker1760553259
  34. Carl Smetko, DDSGeneral Practice Dentistry1619016060
  35. Arzeta SmithDay Training/Habilitation Specialist1831921972
  36. Barbara Smith, PHDClinical Psychologist1255429072
  37. Catherine Smith, CPNP, MSN, RNCommunity Health Nurse Practitioner1124199963
  38. Cynthia SmithMental Health Counselor1265623904
  39. Darby SmithAddiction (Substance Use Disorder) Counselor1639002009
  40. Dawn Smith, L.C.S.W.Clinical Social Worker1235220559
  41. Don Smith, M.D.Adult Medicine Physician1336222355
  42. Donna Smith, RN, PHNCommunity Health Registered Nurse1023290087
  43. Edward SmithMental Health Counselor1992889117
  44. Elizabeth SmithCounselor1104949718
  45. Hannah SmithBehavior Analyst1912466657
  46. Irma SmithCase Manager/Care Coordinator1518138072
  47. Janet Smith, NPPsychiatric/Mental Health Nurse Practitioner1386906386
  48. Janis Smith, LMFTMarriage & Family Therapist1851789093
  49. Kevin Smith, LCSWClinical Social Worker1053562546
  50. Kristen Smith, RBTOther Technician1073972477

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.