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 107 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. Denise Ildefonso, R. N.Registered Nurse1205232766
  2. Cindy Illescas, FNPNurse Practitioner1720449358
  3. Valentine IlounoBehavior Technician1740098805
  4. Janice Im, CRNACertified Registered Nurse Anesthetist1275422065
  5. Kyoungbin Im, M.D.Psychiatry Physician1316156193
  6. David K Imagawa, MDSurgery Physician1467532630
  7. Amir Imanzadeh, M.D.Diagnostic Radiology Physician1841673142
  8. Graciela Imbastari, MDInternal Medicine Physician1801809983
  9. Eric ImotoPeer Specialist1003483066
  10. Bismah ImranBehavior Technician1679408942
  11. Zsofia Imre, PHDPsychologist1356196232
  12. Musaddaq Inayat, MDPediatrics Physician1508094236
  13. Terrie Inder, MDNeonatal-Perinatal Medicine Physician1013933324
  14. Carmina Inductivo, MSN RN AGACNPBC FNPCNurse Practitioner1063076735
  15. Bethany InesonAddiction (Substance Use Disorder) Counselor1437515103
  16. Melissa InfanteRehabilitation Practitioner1972735397
  17. Alice Ing, MDPsychiatry Physician1629564596
  18. Ronald Inge, DDSDentist1548595994
  19. Melissa Ingkom, N.P.Family Nurse Practitioner1548564040
  20. Gayle Ingram, PTAPhysical Therapist1871954909
  21. Maria IniestraBehavior Technician1487429577
  22. Joshua IniguezBehavior Technician1013706241
  23. Jula Inrig, MDNephrology Physician1740393743
  24. Heather IovineOther Technician1851064968
  25. Shannon Ippoliti, M.D.Student in an Organized Health Care Education/Training Program1841679982
  26. Amandeep IqbalDentist1790936813
  27. Iqra Iqbal, MDInternal Medicine Physician1477139160
  28. Gowhar Iravani, DDSOrthodontics and Dentofacial Orthopedics Dentistry1396151387
  29. Djoshuany IribeBehavior Technician1669220604
  30. Elizabeth IrvingBehavior Technician1619851177
  31. Jennifer Irwin, PT, DPTPhysical Therapist1306207832
  32. Melanie Irwin, MDPediatric Rehabilitation Medicine Physician1518918358
  33. Zareth Irwin, MDEmergency Medicine Physician1912031139
  34. Gilbert Isaac, C.A.D.A.C 1Case Manager/Care Coordinator1750658282
  35. Amber Isenhart, MS, RDRegistered Dietitian1023401288
  36. Nardin IshakOther Technician1376219006
  37. Yoanna Ishak, PSYDPsychologist1720653892
  38. Eric Ishijima, BCBABehavior Analyst1063044683
  39. Kashifa IshtiaqBehavior Technician1629831581
  40. Katelyn IskandarBehavior Technician1871272013
  41. Rachael IslekAssistant Behavior Analyst1386100170
  42. Adnan Ismail, M.D.Neonatal-Perinatal Medicine Physician1659765121
  43. Hadia Ismail, D.M.D.General Practice Dentistry1801141916
  44. Sadiyah IsmailBehavior Technician1215695143
  45. David IsmodesBehavior Technician1114853033
  46. Joshua Israel, MDPsychiatry Physician1689628265
  47. Leslie M Israel, DOOccupational Medicine Physician1285714451
  48. George Istaphanous, M.D.Anesthesiology Physician1609096395
  49. Cecile Itagaki, NPNurse Practitioner1730303637
  50. Abdallah Itani, D.P.TSpecialist1447429584

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.