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 193 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. Dennis Poole, DCChiropractor1114000692
  2. Amanda PoonBehavior Technician1285413310
  3. Valerie Pooudomsak, MDPsychiatry Physician1861017873
  4. Adrian Pop, O.D.Optometrist1073642609
  5. Andrei Popa, DMDDentist1801807003
  6. Otilia PopaStudent in an Organized Health Care Education/Training Program1417715772
  7. Patrick Popa, M.D.Emergency Medicine Physician1285961896
  8. Jenna Pope, MFTI #73052Marriage & Family Therapist1336551597
  9. Tiffani PopeCase Manager/Care Coordinator1477237907
  10. Melody PopocaBehavior Technician1003624925
  11. William Porath, D.C.Chiropractor1659696748
  12. Mary Porcella, OTR/LOccupational Therapist1255662367
  13. Cynthia Porco, R.N.Diabetes Educator Registered Nurse1972680171
  14. Madonna PornobiBehavior Technician1801414305
  15. Angel PorrasBehavior Technician1184594012
  16. Carlos PorrasBehavior Technician1164981650
  17. Natoshyana PorterBehavior Technician1982327920
  18. Piper PorterBehavior Technician1568281871
  19. Steven PorterAddiction (Substance Use Disorder) Counselor1750953956
  20. Susanne Porter, NPNurse Practitioner1215924592
  21. Pedro Portes, ACNPNurse Practitioner1316375744
  22. Abigail PortilloBehavior Technician1083273452
  23. Paulina PortilloBehavior Technician1841940533
  24. Emely Portillo-SegoviaClinical Social Worker1144834029
  25. Manuel Porto, MDMaternal & Fetal Medicine Physician1497838916
  26. Rebecca Post, MDMaternal & Fetal Medicine Physician1558755934
  27. Maxine PostelCounselor1649554718
  28. Steven Potkin, M.D.Psychiatry Physician1730213133
  29. Anthoula Poulakos, PHDPsychologist1831976380
  30. Danielle Poulin, NPNurse Practitioner1235380502
  31. Pouyan Pouresfandiari, DOFamily Medicine Physician1487348652
  32. Ali PournazarPhysical Therapy Assistant1174911689
  33. Melina PouyaBehavior Technician1104750751
  34. Nicole Powch, CRNACertified Registered Nurse Anesthetist1245611904
  35. Briana PowellStudent in an Organized Health Care Education/Training Program1205505260
  36. Gregory Powell, MDEmergency Medicine Physician1669834610
  37. Jessica PowellCase Manager/Care Coordinator1467062661
  38. Thomas Powell, MDRheumatology Physician1790742054
  39. Kate PowersBehavior Technician1518728211
  40. Kellie Poynter, M.A.Clinical Neuropsychologist1245663285
  41. Itzayana PradoDay Training/Habilitation Specialist1043935745
  42. Chiragkumar Prajapati, DDSDentist1356781728
  43. Noah PratzBehavior Technician1669201463
  44. Sandra Preasmyer, NPFamily Nurse Practitioner1053430181
  45. Carlos PreciadoBehavior Technician1912826900
  46. Adrian Preda, M.D.Psychiatry Physician1699833491
  47. Elizabeth PreijersBehavior Technician1497646574
  48. Jayme PreijersBehavior Technician1619609120
  49. Tara PrendevilleMental Health Counselor1992445464
  50. Mya PrenticeBehavior Technician1124915533

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.