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 101 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. Hao Ho, M.D.Anesthesiology Physician1184916017
  2. Hien Ho, NPNurse Practitioner1134603483
  3. Jeffrey Ho, D.O.Pediatric Gastroenterology Physician1003932963
  4. Jennifer Ho, MDPediatrics Physician1801020144
  5. Joyce Ho, M.D.Physical Medicine & Rehabilitation Physician1962415018
  6. Katherine HoBehavior Technician1376438077
  7. Katie Ho, N.P.Pediatric Nurse Practitioner1457544876
  8. Lauren HoMarriage & Family Therapist1386115244
  9. Mandy HoOccupational Therapist1285892521
  10. Michelle Ho, PHARMD, RPHPharmacist1063921492
  11. Sophie HoBehavior Technician1841142940
  12. Thuyet Ho, M.D.Hospitalist Physician1265720056
  13. Tony Ho, M.D.Anesthesiology Physician1568483105
  14. Vivian HoBehavior Technician1205510385
  15. Maria Ho RussellMarriage & Family Therapist1558037283
  16. Bang Hoang, MDAdult Reconstructive Orthopaedic Surgery Physician1568542629
  17. Bao Hoang, OTR/LOccupational Therapist1619722964
  18. Giang HoangBehavior Technician1417573494
  19. Gina HoangAssistant Behavior Analyst1720747512
  20. Joseph HoangDay Training/Habilitation Specialist1699402701
  21. Kathy HoangBehavior Technician1124901483
  22. Katie HoangBehavior Technician1689372062
  23. Kha HoangBehavior Technician1295604437
  24. Lillyan HoangMarriage & Family Therapist1477264638
  25. Linda Hoang, PHARMDPharmacist1922532027
  26. Tea Hoang, DMDDentist1306272190
  27. Thu HoangBehavior Technician1134096233
  28. Vicky HoangBehavior Technician1205633591
  29. Wilson HoangBehavior Technician1255209185
  30. John Hobbs, AMFTMarriage & Family Therapist1861149890
  31. Rodney HobbsAddiction (Substance Use Disorder) Counselor1356918957
  32. Dakisha HodgesBehavior Technician1942947072
  33. Elizabeth HodginStudent in an Organized Health Care Education/Training Program1669274585
  34. Ashley Hodson, NPAcute Care Nurse Practitioner1275358798
  35. Cassidy HodsonCase Manager/Care Coordinator1477285625
  36. Kathleen Hoff, FNP - BCFamily Nurse Practitioner1144549981
  37. Philion Hoff, MDNeurology Physician1902548159
  38. Karen Hoffman-Winberry, MFTMarriage & Family Therapist1104916808
  39. Jessica Hoffmann, M.D.Emergency Medicine Physician1770962516
  40. Keith Hoffmann, DDS PHDOral and Maxillofacial Surgery (Dentist)1598838351
  41. Taylor HofmannBehavior Technician1427907633
  42. Lindsay HofstatterSpeech-Language Pathologist1174920664
  43. Alice Hoftman, M.D.Pediatric Rheumatology Physician1053582692
  44. Kayla HoganClinical Social Worker1316760267
  45. Josiah HoiCertified Registered Nurse Anesthetist1942981188
  46. Mehrnaz Hojjati, M. D.Rheumatology Physician1720029135
  47. Melissa Holcombe, PTPhysical Therapist1255680716
  48. Alisha HoldenPsychologist1356754642
  49. Anisha Holden, LMFT134067Marriage & Family Therapist1629555123
  50. Christopher Holden, M.D.Family Medicine Physician1306867460

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.