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 58 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. Nicole Francesca Dela CruzBehavior Technician1275190381
  2. Pablo Dela Cruz, LMFTMarriage & Family Therapist1528576469
  3. Rodolfo Dela MercedCommunity Health Worker1780301234
  4. Cindy DelacruzRehabilitation Practitioner1922147925
  5. Jessica Nicole Delacruz, PHARMDPharmacist1245019959
  6. Melanie Delanoy, PH.D.Clinical Psychologist1841873973
  7. Ruby DelatorreBehavior Technician1891479994
  8. Darlyn DelgadilloBehavior Technician1851166748
  9. Johanna DelgadilloBehavior Technician1134972987
  10. Alam Delgadillo JimenezBehavior Technician1144029737
  11. Ailene DelgadoBehavior Technician1245956028
  12. Cindy DelgadoMarriage & Family Therapist1144761545
  13. Connie Delgado, OTRL CHTHand Occupational Therapist1063465599
  14. Dawnelle DelgadoDay Training/Habilitation Specialist1306566476
  15. Dayana DelgadoBehavior Technician1548127418
  16. Emma DelgadoSpeech-Language Assistant1972950822
  17. Gardenia DelgadoBehavior Technician1396387783
  18. Laura DelgadoBehavior Technician1134866015
  19. Luis Delgado, MDStudent in an Organized Health Care Education/Training Program1386346559
  20. Nicholas Delgado, MSWClinical Social Worker1932738622
  21. Paolo DelgadoBehavior Technician1760290696
  22. Terry DelgadoSocial Worker1972797728
  23. Jennifer Delgado PinedaBehavior Technician1679302400
  24. Ruth Delgado PinedaBehavior Technician1235965583
  25. Joshua DellisAddiction (Substance Use Disorder) Counselor1487036372
  26. David Keanu DellonaBehavior Technician1154132751
  27. Margaret Delmastro, RNPFamily Nurse Practitioner1043533110
  28. Warren DelpitMental Health Counselor1326441965
  29. Maria Lourdes DelrosarioPsychiatric/Mental Health Registered Nurse1528767589
  30. Andres Deluna, MDCardiovascular Disease Physician1881728426
  31. Yamonie DemarrcoBehavior Technician1942965868
  32. Marissa Dembek, PA-C, CAQ-PSYCHMedical Physician Assistant1376273334
  33. Jeffrey Dembner, MDNeurological Surgery Physician1356423271
  34. Miranda Demetor, RBTBehavior Technician1194584912
  35. Michael Demetriou, MDNeurology Physician1992885099
  36. Matthew Demoss, D.C.Chiropractor1255458436
  37. Kaitlin Dempsey, DNP, CRNA, RNCertified Registered Nurse Anesthetist1063034692
  38. Pam Dempsey, MSMental Health Counselor1912036799
  39. Tyler Dempster, MS CCC/SLPSpeech-Language Pathologist1730572181
  40. Dylan Denault, DODiagnostic Radiology Physician1649739418
  41. Jessica Denbo, PSY.D.Psychologist1881732154
  42. Victoria Dendinger, PHDClinical Psychologist1255517645
  43. Bela Denes, M.D.Urology Physician1811943129
  44. Doris DengEpilepsy Physician1154819274
  45. Brooke Denholm, CCC-SLPSpeech-Language Pathologist1588211767
  46. Mary Denicola, NPFamily Nurse Practitioner1376758151
  47. Nathaniel Denicola, MDGynecology Physician1225205651
  48. Meredith Dennis, PHDClinical Psychologist1760990592
  49. Reagan DennyStudent in an Organized Health Care Education/Training Program1689366684
  50. Brooke DentonBehavior Technician1225772361

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.