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 47 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. Judith Chung, MDMaternal & Fetal Medicine Physician1689629495
  2. Justin ChungPhysical Therapist1134089634
  3. Norman ChungOptometrist1154958791
  4. Richmond Chung, D.M.D.General Practice Dentistry1205014925
  5. Shaun Chung, MDStudent in an Organized Health Care Education/Training Program1184941304
  6. Sungmee ChungBehavior Technician1124916143
  7. Gina ChuongBehavior Technician1447072780
  8. Dave Chy, CRNACertified Registered Nurse Anesthetist1518253319
  9. Lucia CiauSchool Psychologist1558104380
  10. Pierce CicconeStudent in an Organized Health Care Education/Training Program1083309157
  11. Alexandra Cielo MedinaBehavior Technician1598435182
  12. Vanessa CiliaBehavior Technician1801754676
  13. Agnes CiminoSchool Counselor1336087881
  14. David Ciminski, O.D.Optometrist1396832341
  15. Danielle Cipollo, DCChiropractor1922702950
  16. Kimberly Cira, AU.D.Audiologist1861453672
  17. Catherine CisnerosSchool Counselor1659842201
  18. Chris CisnerosSchool Counselor1881532281
  19. Dustin Cisneros, PHDPsychologist1720868227
  20. Estefania CisnerosBehavior Analyst1134828072
  21. Sheyla CisnerosBehavior Technician1760212070
  22. Victor Cisneros, M.D.Emergency Medicine Physician1942732409
  23. Staphany CitanBehavior Technician1649128521
  24. Imelda CitrowskiBehavior Technician1679406300
  25. Stefan Ciurea, MDHematology & Oncology Physician1710149752
  26. Hannah ClairBehavior Technician1588383962
  27. Kiran ClairObstetrics & Gynecology Physician1629481908
  28. James ClancyMarriage & Family Therapist1417875790
  29. Taylor ClancyAssistant Behavior Analyst1881212546
  30. Lucia Clara, NPFamily Nurse Practitioner1225700891
  31. Alexa ClarkBehavior Technician1841902277
  32. Alisha ClarkStudent in an Organized Health Care Education/Training Program1992506901
  33. Benjamin ClarkMarriage & Family Therapist1588546436
  34. Benjamin ClarkBehavior Technician1326988197
  35. Christopher ClarkBehavior Technician1225731425
  36. Isabel Clark, M.D.Trauma Surgery Physician1003262510
  37. Madeline ClarkBehavior Technician1629709340
  38. Rebekah Clark, NPFamily Nurse Practitioner1851644215
  39. Samuel ClarkAddiction (Substance Use Disorder) Counselor1134631260
  40. Christine ClarkeAddiction (Substance Use Disorder) Counselor1639948144
  41. Xante ClarkeRegistered Nurse1942957485
  42. Stephanie ClarosMarriage & Family Therapist1841171840
  43. Daira ClaudioBehavior Technician1376260984
  44. Fabian ClavijoMarriage & Family Therapist1144573791
  45. Katherine Claxton, LCSWClinical Social Worker1922479815
  46. Haylee ClayBehavior Technician1578438404
  47. Ralph Clayman, MDUrology Physician1336243922
  48. Valerie ClaytonAddiction (Substance Use Disorder) Counselor1447085741
  49. Brett Clement, CRNACertified Registered Nurse Anesthetist1447732664
  50. Gavin CliffordBehavior Technician1912641325

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.