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 32 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. Kimberly Burton, PA-CMedical Physician Assistant1073651238
  2. Lindsay BurtonObstetrics & Gynecology Physician1679008650
  3. Justin Busch, M.D.Anesthesiology Physician1518288042
  4. Diana Bush, PMHNPPsychiatric/Mental Health Nurse Practitioner1104472174
  5. Emily BushClinical Social Worker1164890703
  6. Gwendolyn Bush IbekweAddiction (Substance Use Disorder) Counselor1154218758
  7. Jenni Busse, LPCCProfessional Counselor1295480820
  8. Ani Bussel, M.D.Hospitalist Physician1104211176
  9. Jordyn BustamenteAddiction (Substance Use Disorder) Counselor1285301457
  10. Robert Buster, M.D.Geriatric Medicine (Internal Medicine) Physician1841343076
  11. Jazmine Clare BustosPediatric Nurse Practitioner1154829794
  12. Jimmy BustosSpeech-Language Pathologist1396047841
  13. Julia BustosBehavior Technician1467305953
  14. Rosario BustosBehavior Technician1871288654
  15. Victoria BustosBehavior Technician1154086296
  16. Yeraldet Bustos, M.S. PPSSchool Counselor1467390823
  17. Brooke ButlerBehavior Technician1871464685
  18. Chante ButlerStudent in an Organized Health Care Education/Training Program1124967146
  19. Jennifer Butler, MDObstetrics Physician1598780769
  20. John A Butler, MDSurgical Oncology Physician1902986094
  21. Stephanie Buttacavoli, LCSWClinical Social Worker1831370725
  22. Matthew Butteri, M.D.Hospitalist Physician1558488700
  23. Dana ButtlarSpeech-Language Pathologist1538522735
  24. Aaron BuzonBehavior Technician1467011742
  25. Donald Byrd, LCSWClinical Social Worker1336624436
  26. Hayley ByrdPsychiatric/Mental Health Registered Nurse1558851477
  27. John ByrneRehabilitation Practitioner1225335813
  28. Timothy Byun, MDHematology & Oncology Physician1871545012
  29. Young Mok ByunSocial Worker1588364269
  30. Angela Cabada ReyesBehavior Technician1407719156
  31. Conralyn Cabalbag, MS, RD, CSRRegistered Dietitian1710507116
  32. Catherine CabalesBehavior Technician1467349597
  33. Ashley CaballeroBehavior Technician1063251338
  34. Iliana CaballeroBehavior Technician1093606212
  35. Sylvia CaballeroAddiction (Substance Use Disorder) Counselor1942485255
  36. Divani Caballero VanegasBehavior Technician1134926124
  37. Mitzi Cabaltica, NPPsychiatric/Mental Health Registered Nurse1083858401
  38. Brandee CabanasBehavior Technician1346924602
  39. Jason Caberto, D.O.Hospitalist Physician1144592924
  40. Sarah CabinessBehavior Technician1003469180
  41. William Cable, MDNeurology Physician1548340631
  42. Efren CabotajeBehavior Technician1477319671
  43. Everardo Cabral, LCSWClinical Social Worker1851554950
  44. Adriana Cabrales, PHDStudent in an Organized Health Care Education/Training Program1093690505
  45. Maria Liza CabreaOccupational Therapy Assistant1285023861
  46. Alex CabreraBehavior Technician1568286805
  47. Casandra CabreraBehavior Technician1629927025
  48. Cristal CabreraAddiction (Substance Use Disorder) Counselor1548023724
  49. Rosemary CabreraBehavior Technician1710678420
  50. Samantha CabreraBehavior Technician1972290310

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.