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 132 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. Kristen LefsteinPrimary Care Nurse Practitioner1689176109
  2. Milton Legome, M.D.Specialist1013904911
  3. Eliana Leguizamon BaduraBehavior Technician1902626013
  4. Lance Lehman, MDPsychiatry Physician1144801440
  5. Richard Lehman, LCSWClinical Social Worker1699982322
  6. Amelie LehmannBehavior Technician1609632033
  7. Alden LehnusBehavior Technician1427927946
  8. Melat LeikunClinical Social Worker1639725344
  9. Rebecca LeinerBehavior Technician1275228983
  10. Shenelle LeirBehavior Technician1942170857
  11. Wendy LeivaBehavior Technician1497438527
  12. Jeanine Lejudge, CPNP-PC, PHN, SNSC,School Registered Nurse1730814633
  13. Michael Lekawa, MDSurgical Critical Care Physician1922188069
  14. Carolyn Lem, PHARM.D.Pharmacotherapy Pharmacist1548345259
  15. Theresa Lembesis, PHARMDPharmacist1043499296
  16. Vanessa LemoineBehavior Technician1669356515
  17. Jade Lemos, MAMental Health Counselor1770292310
  18. Samantha LemosBehavior Technician1588377246
  19. Alexandria LemusBehavior Technician1497563308
  20. Keyla LemusBehavior Technician1154976884
  21. Sandy LemusCommunity Health Worker1710469952
  22. Mychael Lenehan, PA-CPhysician Assistant1548557499
  23. Laurie Lennon, SLPSpeech-Language Pathologist1326211764
  24. Alexis Lenon, FNPFamily Nurse Practitioner1720857972
  25. Mandy LentiniOccupational Therapy Assistant1154710143
  26. David LeonBehavior Analyst1083266134
  27. Genesis LeonStudent in an Organized Health Care Education/Training Program1689428781
  28. Giovanni LeonBehavior Technician1487345526
  29. Jose LeonBehavior Technician1154198216
  30. Laura LeonOther Technician1104585025
  31. Ruben Leon, ASWClinical Social Worker1811757156
  32. Alizebeth Leon SchillaciBehavior Technician1851100200
  33. Rebecca LeonardBehavior Technician1124773353
  34. Alyssa LeonesBehavior Technician1780369785
  35. Celeste LeongPhysical Therapist1861744369
  36. Hyman Leong, MA, MFTIMarriage & Family Therapist1871638742
  37. Brandy LeosRegistered Nurse1427398015
  38. Michael Leos, LVNLicensed Vocational Nurse1053041616
  39. Yesenia LeosBehavior Technician1144864687
  40. Adebanke Lesi, M.D.Pediatrics Physician1548563174
  41. Rebecca Lesinski, RNRegistered Nurse1629524095
  42. Aileen LespronMental Health Counselor1669252953
  43. Jacob Less, DOStudent in an Organized Health Care Education/Training Program1467391540
  44. David Lester, D.D.SDentist1265451041
  45. Thomas Lester, M.D.Psychiatry Physician1558685859
  46. Hannah LetellierBehavior Technician1467146167
  47. Tess LetourneauBehavior Technician1982446175
  48. Kathley LetranStudent in an Organized Health Care Education/Training Program1699613554
  49. Elisa LetrondoRegistered Nurse1154721363
  50. Joshua Letuligasenoa, LCSWClinical Social Worker1427875020

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.