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 140 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. Zachary LuStudent in an Organized Health Care Education/Training Program1053052167
  2. Zhen Lu, M.D.Family Medicine Physician1861507758
  3. Jaclyn LuallenBehavior Technician1437706413
  4. Paul Lubinsky, M.D.Pediatric Critical Care Medicine Physician1255427076
  5. Ashlee Lubniewski, BCBABehavior Analyst1528433554
  6. Brandon Lucas, M.D.Orthopaedic Surgery Physician1437546496
  7. Kelly Lucas, D.C.Chiropractor1346328309
  8. Nellab Lucas, M.D.Anesthesiology Physician1154857886
  9. Nicole Lucas, CLC,CLESLactation Consultant (Non-RN)1902748692
  10. Joseph LuccheseCase Manager/Care Coordinator1760780035
  11. Jacob LuceBehavior Technician1013725944
  12. Danielle LucenaBehavior Technician1265141360
  13. Judith Lucente, M.S., CCC-SLPSpeech-Language Pathologist1083345839
  14. Christian LuceroBehavior Technician1003675851
  15. Elizabeth LuceroSocial Worker1982253282
  16. Feliza Jireh LuceroBehavior Technician1649905563
  17. Marco LuceroCase Manager/Care Coordinator1285809038
  18. Stephanie LuceroBehavior Technician1619821634
  19. Lori Ludeman, MDEmergency Medical Services (Emergency Medicine) Physician1982010013
  20. Kimberly Ludmer, M.A., CCC-SLPSpeech-Language Pathologist1326381781
  21. Heidi LudyBehavior Technician1922784537
  22. Angel LuemendezBehavior Technician1689460016
  23. Samantha LuengasBehavior Technician1548054851
  24. Jamie Lugger, PSY.D.Psychologist1063049294
  25. Christopher LugoBehavior Technician1093438335
  26. Nicole LugoBehavior Technician1427778687
  27. Jacob LuiStudent in an Organized Health Care Education/Training Program1184499592
  28. Carina LuisaOther Technician1174137178
  29. Kathryn LujanLicensed Psychiatric Technician1770223505
  30. Pui Ki LukAudiologist1811749757
  31. Dylan LukatoEmergency Medicine Physician1003273384
  32. Mark Lum, PSY.D.Clinical Psychologist1083648752
  33. Meachelle LumStudent in an Organized Health Care Education/Training Program1811830482
  34. Melissa Lum, MDPediatrics Physician1316079122
  35. Euridice LunaBehavior Technician1508698812
  36. Jeannette Luna, CMTMassage Therapist1639756851
  37. Jinky-Mae LunaDental Hygienist1295201523
  38. Timothy LunaBehavior Technician1760107775
  39. Vivian LunaMarriage & Family Therapist1073293809
  40. Yuridia LunaBehavior Technician1972490217
  41. Jesabel Luna CorralesAddiction (Substance Use Disorder) Counselor1053982785
  42. Alina Lund, NPNurse Practitioner1477106813
  43. Paula Lunde, MPH, CDEHealth Educator1467539668
  44. Anne Lundquist, D.C.Chiropractor1750472726
  45. Timothy Lunn, CRNACertified Registered Nurse Anesthetist1366537128
  46. Kathryn Lunny, MDPsychiatry Physician1750843868
  47. Tyler Lunow-LukeStudent in an Organized Health Care Education/Training Program1194524694
  48. Christine LuoEmergency Medicine Physician1710410840
  49. Faustine LuoStudent in an Organized Health Care Education/Training Program1992407084
  50. John Luo, MDPsychiatry Physician1093748535

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.