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 31 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. Jonathan BuiBehavior Technician1760332837
  2. Kathy BuiBehavior Technician1174391403
  3. Linh BuiStudent in an Organized Health Care Education/Training Program1952663643
  4. Maria Criselda BuiCertified Registered Nurse Anesthetist1962023143
  5. Myphuong BuiPharmacist1437718608
  6. Nam Bui, DDSDentist1336792068
  7. Natalie Bui, RNRegistered Nurse1073173506
  8. Nikki BuiBehavior Technician1891503702
  9. Quoc Chuong Bui, MDAnesthesiology Physician1235398389
  10. Ruby BuiBehavior Technician1720954464
  11. Thanh-Lan Bui, MDStudent in an Organized Health Care Education/Training Program1174264162
  12. Thien BuiBehavior Technician1336005719
  13. Tiffany Bui, PA-CPhysician Assistant1154022796
  14. Tom Bui, PA-CMedical Physician Assistant1093344004
  15. Tran Bui, BCABABehavior Analyst1902158736
  16. Kassidy BuisBehavior Technician1538886098
  17. David BuitronBehavior Technician1851083554
  18. Szofia Bullain, M.D.Neurology Physician1730418146
  19. Alejandro Bulnes-MendizabalMarriage & Family Therapist1245918804
  20. Joshua Bultsma, LMFTMarriage & Family Therapist1669232963
  21. Morgan BunceBehavior Technician1558126177
  22. Kristen Bunnell, NP-CFamily Nurse Practitioner1487007530
  23. Miles BunoanDental Assistant1306311634
  24. Kristen Buono, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1245573039
  25. Alex Frances Sophia Buranday, MDStudent in an Organized Health Care Education/Training Program1053171561
  26. Heather BurbridgePhysical Medicine & Rehabilitation Physician1720852569
  27. Lisa Burger, CCC-SLPSpeech-Language Pathologist1598742314
  28. Caleb Burgess, DPTSports Physical Therapist1427456805
  29. Ivie BurgessBehavior Technician1851186415
  30. Pearl BurguenoBehavior Technician1891689105
  31. Aubrey BuringtonBehavior Technician1649084468
  32. Kristin BurkBehavior Technician1477376150
  33. Morgan Burke, MDStudent in an Organized Health Care Education/Training Program1265134803
  34. Pamela BurkeCommunity Health Worker1750007936
  35. Ruth Burke, RNRegistered Nurse1205238003
  36. Shelley Burke-Gonalez, RNRegistered Nurse1588512883
  37. Allyson Burns, RNGeneral Practice Registered Nurse1386806388
  38. Kevin Burns, M.D.Vascular & Interventional Radiology Physician1174880389
  39. Makenna Burns, PSYDClinical Psychologist1053891028
  40. Micayla BurnsBehavior Technician1962225433
  41. Michael J Burns, MDEmergency Medicine Physician1568542918
  42. Richard BurnsBehavior Technician1023813433
  43. James Burris, D.O.Family Medicine Physician1811082415
  44. Alisa Burroughs-AmenBehavior Technician1649042730
  45. Ashley BurruelBehavior Technician1962225201
  46. Sigrid Burruss, M.D.Trauma Surgery Physician1942458013
  47. Hallie BurshBehavior Technician1083274351
  48. Arac BurtBehavior Technician1033875141
  49. Alex BurtonMental Health Counselor1083363469
  50. Julia Burton, NPFamily Nurse Practitioner1780912782

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.