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 41 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. Calvin Doan, DOFamily Medicine Physician1205364569
  2. Kha Doan, PHARMDPharmacist1013750306
  3. Lamman Doan, DMDGeneral Practice Dentistry1548384902
  4. Paveena Doan, N.P.Family Nurse Practitioner1225400146
  5. Sarah DoanBehavior Analyst1053106211
  6. Timothy Docheff, MFTMarriage & Family Therapist1578673554
  7. Phyllis Doctor, LVNRegistered Nurse1376035998
  8. Sheryl DoeringMental Health Counselor1811268568
  9. Taimoore Dogar, PHCY TECHPharmacy Technician1457909244
  10. Laura DolanSpeech-Language Pathologist1962345538
  11. Carol Doll, CATC-IVAddiction (Substance Use Disorder) Counselor1164800512
  12. Malgorzata Domagala, LMFTMarriage & Family Therapist1750003075
  13. Czarina Cher Domantay, LVNLicensed Vocational Nurse1821695289
  14. Aholiab DominguezBehavior Technician1194575001
  15. Amanda DominguezSocial Worker1598575789
  16. Jennifer DominguezBehavior Technician1104614759
  17. Julissa Dominguez, THERAPISTBehavior Technician1558826529
  18. Marc Dominguez, RNRegistered Nurse1215635446
  19. Maria Katrina Dominguez, D.O.Family Medicine Physician1205100344
  20. Martha DominguezSocial Worker1700966025
  21. Sarah Dompas, RN, BSNRegistered Nurse1861193278
  22. Ryan Don, D.P.T.Physical Therapist1841430840
  23. April DonaireBehavior Technician1841955978
  24. Isabel Donaldson, MA, BCBABehavior Analyst1972199446
  25. Ailana DonatoMarriage & Family Therapist1962193870
  26. Zu DondiegoDay Training/Habilitation Specialist1215713227
  27. Julia DongBehavior Technician1326916974
  28. Suzie Dong-Matsuda, LCSWClinical Social Worker1134181142
  29. Sandra DongprateepStudent in an Organized Health Care Education/Training Program1093505745
  30. Donia Maymoun Donia MaymounBehavior Technician1891673539
  31. Taylor DonleyBehavior Technician1821682790
  32. Christopher Donnelly, M.D.Obstetrics & Gynecology Physician1023217320
  33. Halle Donoho, OCCUPATIONAL THERAPIOccupational Therapist1871159137
  34. Oscar DoradoCounselor1053506964
  35. Michele Dorame, MPTPediatric Physical Therapist1336337476
  36. Karen DorantesBehavior Technician1801529573
  37. Andrian Philip Doria, RPHPharmacist1689408312
  38. Lai DormanMental Health Counselor1750482428
  39. Sally Dorsey, MFTMarriage & Family Therapist1275607962
  40. Raquel Dos Santos, OTA/LOccupational Therapy Assistant1770972424
  41. Mark Douangchak, O.D.Optometrist1760762058
  42. Kelsey Dougherty, REGISTERED NURSE (RNCommunity Health Registered Nurse1356988448
  43. Ashley DouglasSocial Worker1366393274
  44. Pamela Douglas, R.N., P.H.N.Community Health Registered Nurse1699070136
  45. Corrinne DouglassMental Health Counselor1356276778
  46. Cheryl DownesDay Training/Habilitation Specialist1457808875
  47. Christian Downey, AMFT, CADCIII-CS(CA)Marriage & Family Therapist1659824530
  48. Arleen Downing, M.D.Pediatric Neurodevelopmental Disabilities Physician1366654774
  49. Jessamine DownsPhysical Therapist1942645999
  50. Pamela Downs, P.T.Sports Medicine (Neuromusculoskeletal Medicine) Physician1639221872

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.