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 208 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. Rudy Roque, NPPsychiatric/Mental Health Nurse Practitioner1831933100
  2. Nicole Rorden, LMFTMarriage & Family Therapist1689340432
  3. Farrah RorrerClinical Social Worker1841887288
  4. Demi RosalesBehavior Technician1861297905
  5. Fernando RosalesBehavior Technician1073397634
  6. Jacob RosalesBehavior Technician1477304418
  7. Maritza Rosales, NONEBehavior Technician1619624319
  8. Valeria RosalesBehavior Technician1548947138
  9. Sarah RosarioCounselor1962813709
  10. Exy RosasOther Technician1427717354
  11. Gabriel RosasBehavior Technician1144010596
  12. Leslie RosasBehavior Technician1841017761
  13. Liliana RosasBehavior Technician1588551998
  14. Roxana RosasBehavior Technician1619654464
  15. Macrina Rosas RosasInternal Medicine Physician1972290625
  16. Clifton Rose, PHARMACISTPharmacist1194134742
  17. Matthew Rose, M.D., PH.D.Neuropathology Physician1184940256
  18. Stephani Rose, AU.D.Audiologist-Hearing Aid Fitter1144660101
  19. Charles Rosen, M.D.Orthopaedic Surgery of the Spine Physician1548264013
  20. Karen Rosen, PTPediatric Physical Therapist1033401492
  21. Mark Rosen, MDCritical Care Medicine (Internal Medicine) Physician1427108851
  22. Norman Rosen, M.D.Family Medicine Physician1447349089
  23. Abraham Rosenbaum, MDAnesthesiology Physician1871543785
  24. Wendi Rosenblatt, RNC, NPWomen's Health Nurse Practitioner1922008556
  25. Samuel Rosenfeld, M.DPediatric Orthopaedic Surgery Physician1235167107
  26. Heidi RosenfieldBehavior Analyst1295277713
  27. Amanda Rosenthal, LCSW, MSWClinical Social Worker1386761476
  28. Destiny RoseroBehavior Technician1962235291
  29. Marjan Roshangar, D.D.S.Dentist1770626012
  30. Gabrielle Rosiak GallardoBehavior Technician1043904121
  31. Gabriella Rosil, FNP-CFamily Nurse Practitioner1073147963
  32. Wesley Rosner, MS, ATCAthletic Trainer1649448176
  33. Andrew Ross, M.D.Nephrology Physician1932543998
  34. Christian RossBehavior Technician1417849258
  35. Michael Ross, RNCase Manager/Care Coordinator1023973724
  36. Nadia Ross, LCSWClinical Social Worker1801370606
  37. Randy Ross, M.D.Psychiatry Physician1821110321
  38. Steven Ross, M.D.Orthopaedic Surgery Physician1558364836
  39. Tyler RossBehavior Analyst1003314691
  40. Patricia Rossi, T-SLPSpeech-Language Pathologist1023450020
  41. Douglas Roszell, RNAdministrator Registered Nurse1003788613
  42. Rosalind RothBehavior Technician1912833310
  43. Matthew RoughleySurgical Physician Assistant1801497771
  44. James Roum, MDCritical Care Medicine (Internal Medicine) Physician1477633626
  45. Stacy RoumBehavior Technician1639889751
  46. Shayesteh RounamaBehavior Technician1306524525
  47. Kaitlyn RoundsBehavior Technician1205704954
  48. Keith Rourke, MD, FRCSCUrology Physician1922727478
  49. Jennifer RouxStudent in an Organized Health Care Education/Training Program1699532713
  50. Peter RowClinical Social Worker1720504715

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.