NPPES file of Aug 9, 2026

Doctors and health care providers in Orange, CA

13,245 individual NPPES records list a practice address in Orange, 11th of 812 California cities. The largest group is behavior technician: 4,271, 32% of the city's records, against 18% across California. Page 230 of 265.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

The 8 largest groups in Orange

Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.

Orange in California

  • Rank in California11th of 812 cities by records
  • Share of the state1.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups42% of all records
  • Behavior Technician rank7th of the 10 California cities with the most

Compared with California as a whole, Orange has 7.3× the state's share of other technician records and 0.43× its share of physical therapist records.

Providers in Orange, alphabetically

  1. Eileen Stidham, P.T.A.Physical Therapy Assistant1447676481
  2. Dixie Stiles, NPNurse Practitioner1386613941
  3. Tiffany Stillwell, LVNLicensed Vocational Nurse1528645553
  4. Dru StinsonBehavior Technician1164268801
  5. Cathrine Stipe, LMFTMarriage & Family Therapist1588905160
  6. Christina StirwaltStudent in an Organized Health Care Education/Training Program1831038058
  7. Jill Stites, NPPediatric Nurse Practitioner1912121864
  8. Russell Stitzlein, M.D.Orthopaedic Surgery Physician1154681708
  9. Amber Stober, MS, OTR/LOccupational Therapist1730841347
  10. Andrea StoddardBehavior Technician1992642623
  11. Jennifer Stoddard, NPFamily Nurse Practitioner1588175772
  12. Lyndsey Stoffel, MSN, AGACNP-BCNurse Practitioner1306499421
  13. Milena StohlBehavior Technician1841923604
  14. Catherine StolrowDiabetes Educator Registered Nurse1023542321
  15. Tiffany StonacekBehavior Technician1285568139
  16. Olivia Stoner-CubosStudent in an Organized Health Care Education/Training Program1073341376
  17. Diana StorerAddiction (Substance Use Disorder) Counselor1790424943
  18. Christina StoreyAssistant Behavior Analyst1376407932
  19. Desiree StovallBehavior Technician1427741032
  20. Robert StovekenAddiction (Substance Use Disorder) Counselor1235807413
  21. Lauren Stowe, BA SOCIAL WORKMental Health Counselor1457555393
  22. Richard Stoyanoff, D.C.Chiropractor1609807106
  23. Joan Stoykovich, PA-C, RNPMedical Physician Assistant1750467346
  24. Rodney Strachan, MDAnesthesiology Physician1104868124
  25. Ian Straehley, MDStudent in an Organized Health Care Education/Training Program1588291108
  26. Ladan Straker, MDDermatology Physician1073001640
  27. Richard StrakerColon & Rectal Surgery Physician1194257972
  28. Cathie Strand, CCC-SLPSpeech-Language Pathologist1982079281
  29. Rivka StrassbergBehavior Technician1467136622
  30. Samuel StrattonBehavior Technician1356293278
  31. Samuel J Stratton, MDEmergency Medicine Physician1114007358
  32. Erica Strawther, LVNLicensed Vocational Nurse1245947043
  33. Eric StreletzBehavior Technician1265324099
  34. Jennifer StricklandPhysician Assistant1235629254
  35. Quincy StricklandBehavior Technician1134045214
  36. Kyle Strodtbeck, MDPediatrics Physician1932527611
  37. Jonathan Strok, NPPediatric Nurse Practitioner1225641418
  38. Magdalena StromidioBehavior Technician1538913678
  39. Clarke StrongBehavior Technician1508498270
  40. Valerie StroudBehavior Technician1215863964
  41. Sarah Struble, MDStudent in an Organized Health Care Education/Training Program1912750449
  42. Carissa StuckSpeech-Language Pathologist1720486483
  43. Travis Stucky, PHARMDPharmacist1023387081
  44. Jason StuddertBehavior Technician1578447421
  45. Jean De Dieu StyffeBehavior Technician1629733555
  46. Ashley SuAnesthesiology Physician1144844531
  47. Brittany SuDentist1477922078
  48. Joanna Su, M.D.Pediatrics Physician1336179761
  49. Stephen Su, D.P.M.Podiatrist1881721926
  50. Victoria Su, PHARMDPharmacist1386586881

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

Orange, California appears in the CMS National Plan and Provider Enumeration System with 13,245 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 Orange - 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 Orange 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 Orange is weighted toward Behavior Technician (4,271 clinicians, followed by Student in an Organized Health Care Education/Training Program with 870 and Marriage & Family Therapist with 424). 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, Orange reports roughly 34 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, Case Manager/Care Coordinator is the most prominent one with no provider currently listing a Orange practice address, a coverage gap Orange patients typically fill by traveling to a larger nearby hub.

For Orange 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 Orange, CA?

There are 13,245 registered healthcare providers in Orange, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Orange?

The most common specialties in Orange are Behavior Technician, Student in an Organized Health Care Education/Training Program, Marriage & Family Therapist, Clinical Social Worker, Mental Health Counselor. Behavior Technician has the most providers with 4,271.

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.