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 125 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. Kiana Lacson WoodOther Technician1386217727
  2. Jana Lada, PA-CPhysician Assistant1972730323
  3. Preston LaengerAddiction (Substance Use Disorder) Counselor1366193229
  4. Ola Lafi, M.D.Cardiovascular Disease Physician1356728042
  5. Lauren LaganaOther Technician1902402365
  6. Maria Lagat, RN, PHNCommunity Health Registered Nurse1629259106
  7. Melissa LagunaBehavior Technician1821846866
  8. Shadi Lahham, M.D.Emergency Medicine Physician1366741852
  9. Salma LahikStudent in an Organized Health Care Education/Training Program1780416909
  10. Andy LaiBehavior Technician1104713239
  11. Annabelle LaiBehavior Technician1427887215
  12. Ernest Lai, MDNeonatal-Perinatal Medicine Physician1114488194
  13. Laura Lai, MDChild & Adolescent Psychiatry Physician1518300078
  14. Lihong LaiDentist1346675667
  15. Natalie Lai, BCBABehavior Analyst1396401196
  16. Samuel Lai, MDHospitalist Physician1659614055
  17. Wyman Lai, MDPediatric Cardiology Physician1689659955
  18. Diana LainesBehavior Technician1629603329
  19. Kristen LaiolaMental Health Counselor1427426261
  20. Jason Laird, PA-CSurgical Physician Assistant1437486073
  21. Jason LairdDay Training/Habilitation Specialist1205680618
  22. Reggienald LajadaCommunity Health Worker1609550151
  23. Shane Lakhani, DCChiropractor1053586172
  24. Shadi Lalezari, MDStudent in an Organized Health Care Education/Training Program1437513660
  25. Francois Lalonde, M.D.Pediatric Orthopaedic Surgery Physician1144266081
  26. Chi Lam, L.AC.Acupuncturist1467398818
  27. Fionna Lam, PHARM.D.Oncology Pharmacist1013850171
  28. Jessica Lam, PA-C, MSHSPhysician Assistant1083986723
  29. Kayla LamBehavior Technician1497479000
  30. Kevin LamBehavior Analyst1659031318
  31. Krystal Lam, B.A.Behavior Analyst1922546084
  32. Mai LamRegistered Dietitian1124963616
  33. Miranda LamBehavior Technician1417618638
  34. Samantha LamBehavior Technician1306720925
  35. Tat Lam, MDFamily Medicine Physician1134288749
  36. Tina LamAssistant Behavior Analyst1730812017
  37. Vinh Lam, M.D.Pediatric Surgery Physician1336119122
  38. Vinh Lam, BCBABehavior Analyst1891035341
  39. Cameron LambSchool Counselor1952258089
  40. Iyanna LambBehavior Technician1821834565
  41. Timothy LambengcoPediatric Occupational Therapist1255896379
  42. Lisa Lambert, RN CDEDiabetes Educator Registered Nurse1164847000
  43. Whitney LambertCase Manager/Care Coordinator1558843417
  44. Michael Lambing, DOEmergency Medicine Physician1508445297
  45. Michelle Lambing, DOEmergency Medicine Physician1982943684
  46. Lauren LamparterEmergency Medicine Physician1952988925
  47. Vicki LampeMental Health Counselor1073644381
  48. Timothy Lancaster, MDOrthopaedic Hand Surgery Physician1215427034
  49. Milan LanceBehavior Technician1447099502
  50. Rehana LandaBehavior Technician1104790203

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.