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 95 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. Eddie HarrisMental Health Counselor1699105593
  2. Jeremy Harris, MDRadiation Oncology Physician1922427053
  3. John Harris, M.D.Anesthesiology Physician1477574093
  4. Joshua Harris, MDDiagnostic Radiology Physician1043890676
  5. Lesley HarrisBehavior Technician1164283503
  6. Michelle HarrisClinical Social Worker1649770017
  7. Rodney HarrisMental Health Occupational Therapist1427624790
  8. Saniah HarrisBehavior Technician1376413955
  9. Terri HarrisAddiction (Substance Use Disorder) Counselor1437708823
  10. William Harris, MDAllergy & Immunology Physician1922065788
  11. Yasmyn HarrisBehavior Technician1437852761
  12. Lawrence Harrison, M.D.Psychiatry Physician1376976944
  13. Matty HarrisonCase Manager/Care Coordinator1487146775
  14. Timothy HarrisonDay Training/Habilitation Specialist1417660630
  15. Sarah HarrodPsychiatric/Mental Health Clinical Nurse Specialist1366129587
  16. Duncan Harter, CADC-CASAddiction (Substance Use Disorder) Counselor1508434390
  17. Jon Harting, PA-CPhysician Assistant1467028027
  18. Heather Hartley LacunzaBehavior Technician1275341109
  19. Christopher Harvey, MSWClinical Social Worker1073859542
  20. Pierce HarveyBehavior Technician1063380780
  21. Mary Harward, M.D.Geriatric Medicine (Internal Medicine) Physician1407835275
  22. Timothy Harward, M.D.Vascular Surgery Physician1982605986
  23. Daniel HarwoodEmergency Medicine Physician1972298040
  24. Nicole HasakianBehavior Technician1689492282
  25. Insha HasanBehavior Technician1710602792
  26. Grace HasellStudent in an Organized Health Care Education/Training Program1245080951
  27. Zahra Hashemi, D.D.S., M.S.Prosthodontics1093904732
  28. Maryam Hashemiesfahani, APRNNurse Practitioner1518364769
  29. Hassan HashmPulmonary Disease Physician1528589405
  30. Sohaib Hashmi, MDOrthopaedic Surgery of the Spine Physician1982022281
  31. Tuba HasirchiBehavior Technician1295572154
  32. Bima Hasjim, MDStudent in an Organized Health Care Education/Training Program1417418609
  33. Hawalul HassanBehavior Technician1881398634
  34. Noor Hassan HassanBehavior Technician1992511729
  35. Saleh Hassan, MDStudent in an Organized Health Care Education/Training Program1942140389
  36. Sherif Hassan, D.D.S.Dentist1811402761
  37. Sundehi HassanBehavior Technician1790640092
  38. Duke Hasson, M.DOrthopaedic Surgery Physician1831489939
  39. Sherry Hastings, M.A.Marriage & Family Therapist1386196285
  40. Susan Hastings, MFTMarriage & Family Therapist1043444631
  41. Maureen Haston, NPNurse Practitioner1134587553
  42. Aaron HatcherMarriage & Family Therapist1033562988
  43. Jacquelyn HatcherMental Health Counselor1720507031
  44. Tamera Hatfield, MD, PHDMaternal & Fetal Medicine Physician1033390331
  45. Elianna HausamBehavior Technician1396627709
  46. Muna HawatmehMental Health Counselor1457089518
  47. Delaney HawkinsBehavior Technician1164034708
  48. Rebecca HawkinsBehavior Technician1093698359
  49. Shahid Hayat, M.D.Critical Care Medicine (Internal Medicine) Physician1316047913
  50. Anthony HaydenCase Manager/Care Coordinator1730774779

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.