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 117 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. Klem KeslerLicensed Vocational Nurse1255172797
  2. Robin Ketchum, NPCritical Care Medicine Registered Nurse1306041256
  3. Charles KeylerStudent in an Organized Health Care Education/Training Program1235812561
  4. Cara Keys, RNRegistered Nurse1285051227
  5. Victoria KhaBehavior Technician1528850716
  6. Matvey KhaimovBehavior Technician1851997282
  7. Behnam Khaleghi, MDRheumatology Physician1154306678
  8. Ameer Khalek, DO, MPHStudent in an Organized Health Care Education/Training Program1629763040
  9. Samar KhalifeRehabilitation Practitioner1386205086
  10. Andrew Khalil, MDStudent in an Organized Health Care Education/Training Program1932993979
  11. Houda Khalil, MDPediatrics Physician1184326712
  12. Karim KhalilMarriage & Family Therapist1396354890
  13. Marina KhalilPharmacist1942164942
  14. Bhavraj Khalsa, M.D.Vascular & Interventional Radiology Physician1588928378
  15. Asghar Khan, DDSDentist1952993263
  16. Ayesha KhanBehavior Technician1477446227
  17. Bilal Khan, M.D.Diagnostic Radiology Physician1245686815
  18. Hassan KhanBehavior Technician1568318087
  19. Imad Khan, M.D.Neurocritical Care Physician1801188669
  20. Maheen Khan, MDNeurological Surgery Physician1144601386
  21. Mustafa Khan, M.D.Diagnostic Radiology Physician1316479942
  22. Nikita KhanBehavior Technician1952006942
  23. Owais KhanBehavior Technician1376307645
  24. Soha KhanBehavior Technician1134836760
  25. Yasar Khan, DDSGeneral Practice Dentistry1043802366
  26. Yasir Khan, M.D.Internal Medicine Physician1316389265
  27. Shruti Khandhar, DOHospitalist Physician1205068061
  28. Anju Khanijou, M.D.Developmental - Behavioral Pediatrics Physician1215091632
  29. Rajesh Khanijou, M.D.Surgery Physician1548239098
  30. Carol KhankarPhysical Therapist1124867379
  31. Parmis Khatibi, PHARM.D.Pharmacotherapy Pharmacist1255484457
  32. Talayeh Khatibi, M.D.Pediatrics Physician1144514191
  33. Farokh Khatiblou, DMD DDSPeriodontics1891968335
  34. Suvidha KhatriDentist1518310408
  35. Zane KhattabBehavior Technician1215625975
  36. Leenah KhayatNurse Practitioner1023743986
  37. Azadeh KhayyatAnatomic Pathology Physician1063162675
  38. Sheida Khazaii-TabariDentist1386932812
  39. Noor Khedraki, DDSDentist1003140146
  40. Aaron Kheriaty, MDPsychiatry Physician1275659039
  41. Hasen KhiarBehavior Technician1720853054
  42. Florabelle Khoe, P.T.Physical Therapist1366806416
  43. Tawny KhongBehavior Technician1386430833
  44. Feraidoun Khonsari, M.D.Urology Physician1487612560
  45. Janice Khoo, MDPediatric Gastroenterology Physician1568968253
  46. Kenneth Khoo, D.D.S.General Practice Dentistry1346423357
  47. Nima KhoshabStudent in an Organized Health Care Education/Training Program1295315380
  48. Talat Khoshnoud, RNRegistered Nurse1902996366
  49. Ashkan KhoshrouGeneral Practice Dentistry1073878435
  50. Shashi Khosla, DDSDentist1366674434

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.