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 38 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. Paul Delacruz, BEHAVIOR THERAPISTBehavior Technician1639767577
  2. Elsa DelarosaBehavior Technician1982193934
  3. Lina Delbruck, DOStudent in an Organized Health Care Education/Training Program1093207656
  4. Rosalinda Delcastillo, L.C.S.W.Clinical Social Worker1437273620
  5. Silvia DeleonDay Training/Habilitation Specialist1063535607
  6. Janeth Delfin, M.S.Behavior Analyst1073051231
  7. Alicia DelgadilloPersonal Care Attendant1750174645
  8. Jair DelgadilloBehavior Technician1891625950
  9. Wendeline DelgadilloMental Health Counselor1366031189
  10. Cristian DelgadoStudent in an Organized Health Care Education/Training Program1548940851
  11. Vivian DelgadoBehavior Technician1609698745
  12. Miriam Delgado DiazBehavior Technician1730845546
  13. Etlinn Delgado FallasMarriage & Family Therapist1609531789
  14. John DelizoSocial Worker1124691696
  15. Kerry Delk, PHDClinical Psychologist1861516783
  16. Gabrielle DelucaMarriage & Family Therapist1053977306
  17. Maria DemateoMarriage & Family Therapist1801352893
  18. Wendy DemeoRegistered Nurse1386351534
  19. Donna DemerjianClinical Social Worker1770645459
  20. Jacob DemesMental Health Counselor1063912400
  21. Natalie DemichaelBehavior Technician1427637651
  22. Christian Demman, AMFTMarriage & Family Therapist1194427971
  23. James Dempsey, LCSWClinical Social Worker1275624595
  24. Michael Dena, AMFTMarriage & Family Therapist1558913384
  25. Danielle DenioAddiction (Substance Use Disorder) Counselor1144877150
  26. Brea DenizBehavior Technician1093505190
  27. Cindy Dennis, MPTPhysical Therapist1659581312
  28. Terrance DennisCounselor1801214812
  29. Carmen DennyBehavior Technician1861186223
  30. Sueellen DentClinical Social Worker1063067205
  31. Ronald DeopanteRehabilitation Practitioner1306605639
  32. Caroll DepazSocial Worker1003939687
  33. Nicole Deppe, M.D.Family Medicine Physician1962814947
  34. Margaret Desa, M.D.Specialist1144247990
  35. Jenna DesaiBehavior Technician1649846775
  36. Madhavi Desai, D.D.SGeneral Practice Dentistry1154440303
  37. Pratibha Desai, M D FACOGObstetrics & Gynecology Physician1588725832
  38. Rajiv Desai, D.D.S.General Practice Dentistry1336281872
  39. Jennifer Desby, PA-CPhysician Assistant1740392026
  40. Sanjay Deshmukh, M. D.Specialist1487642377
  41. Bryan DespiCommunity Health Worker1790470276
  42. Daria DestoriesRegistered Nurse1265752208
  43. Gaylynn Deters, O.D.Optometrist1346695871
  44. Ashley DettBehavior Technician1811881659
  45. William Dexter, AMFTMental Health Counselor1821694951
  46. Emily Deyoe, DPTPhysical Therapist1346783487
  47. Rajnish DhunnaRegistered Nurse1154176659
  48. Ngoc Amy Di, PHARMDPharmacist1154916385
  49. Cristine Di AngeloCommunity Health Registered Nurse1528685518
  50. Diana Di CiaccioIntellectual & Developmental Disabilities Psychologist1609753003

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.