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 133 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. Crystal Leung, M.D.Pediatrics Physician1598185399
  2. Jessica Leung, MDAnesthesiology Physician1457989931
  3. Kevin LeungPharmacist1295075646
  4. Steven Leven, MDCritical Care Medicine (Internal Medicine) Physician1538166780
  5. Gabrielle Leveratto, ATCStudent in an Organized Health Care Education/Training Program1629577317
  6. Aaron Levesque, NONEBehavior Technician1235862749
  7. Dana Levin, M.D.Emergency Medicine Physician1184980377
  8. Erin LevinAddiction (Substance Use Disorder) Counselor1609333533
  9. Brian Levine, MDAnesthesiology Physician1629032891
  10. Hannah LevineBehavior Analyst1659096022
  11. Jeffrey Levine, M.D.Psychiatry Physician1518024819
  12. Samantha Levine, MDStudent in an Organized Health Care Education/Training Program1679332076
  13. Lisa Levingston, ODOptometrist1023166972
  14. Sophia LevisStudent in an Organized Health Care Education/Training Program1417701939
  15. Donald Levy, MDAllergy & Immunology Physician1518055011
  16. Isabella Levy, DOStudent in an Organized Health Care Education/Training Program1457299448
  17. Miles Levy-NordhoffMarriage & Family Therapist1821878323
  18. Daryl Lew, FNPPediatric Hematology & Oncology Physician1821863242
  19. Vanessa LewOccupational Therapist1043148455
  20. Amber Lewis, NPFamily Nurse Practitioner1689231995
  21. Athena Lewis, PSYDPsychologist1295014017
  22. Aysa LewisBehavior Technician1407650377
  23. Brittney LewisBehavior Technician1083409858
  24. Brooke LewisRegistered Nurse1649121054
  25. Kristin Lewis, MDEmergency Medicine Physician1225590201
  26. Michael Lewis, PA-CPhysician Assistant1942577051
  27. Patrick Lewis, PT, DPTPhysical Therapist1962924068
  28. Kiara Lewis-DevineCommunity Health Worker1326805854
  29. Brianna LeydenStudent in an Organized Health Care Education/Training Program1003435140
  30. Alexis LeyteDay Training/Habilitation Specialist1972338275
  31. Clarissa LeyvaClinical Social Worker1871137950
  32. Jeanette LeyvaMarriage & Family Therapist1134967029
  33. Yesenia LeyvaProfessional Counselor1972341519
  34. Erica Leyva-RamirezBehavior Technician1699553115
  35. John LezamaBehavior Technician1497540058
  36. Zachary LheureuxBehavior Technician1528877040
  37. Amy Li, M.D.Surgery Physician1538521786
  38. Angela Li, M.D.Adult Congenital Heart Disease Physician1235510173
  39. Anne LiStudent in an Organized Health Care Education/Training Program1538955083
  40. Charles Li, MDNeuroradiology Physician1962858001
  41. Danielle Li, M.D.Student in an Organized Health Care Education/Training Program1215318886
  42. Jefferine LiStudent in an Organized Health Care Education/Training Program1447004254
  43. Jenny LiBehavior Technician1942179171
  44. Jessica Li, M.D.Cardiovascular Disease Physician1982638649
  45. Jianbin LiAcupuncturist1184557241
  46. Joy LiStudent in an Organized Health Care Education/Training Program1154180487
  47. Junwei LiEmergency Medicine Physician1922628023
  48. Rossirene Li, M.A., CCC-SLPSpeech-Language Pathologist1407209737
  49. Shiyang LiBehavior Technician1346179371
  50. Siyun LiBehavior Technician1780220582

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.