NPPES file of Aug 9, 2026

Doctors and health care providers in Pasadena, CA

10,525 individual NPPES records list a practice address in Pasadena, 13th of 812 California cities. The largest group is behavior technician: 1,617, 15% of the city's records, against 18% across California. Page 142 of 211.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Pasadena in California

  • Rank in California13th of 812 cities by records
  • Share of the state1.1% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups34.4% of all records

Compared with California as a whole, Pasadena has 6.2× the state's share of rehabilitation practitioner records and 0.51× its share of general practice dentistry records.

Providers in Pasadena, alphabetically

  1. Aiyao Ouyang, LMFTMarriage & Family Therapist1174262281
  2. Joseph Ouzounian, MDMaternal & Fetal Medicine Physician1265503148
  3. Angela OvakimyanMarriage & Family Therapist1083271167
  4. Christopher OvandoRehabilitation Practitioner1356839245
  5. Marina Ovanessian, LCSWClinical Social Worker1346371374
  6. Chelsey Overstreet, MDPediatrics Physician1356437586
  7. Anait OvsepyanRehabilitation Practitioner1134477128
  8. Garrett Ow, PHARMDPharmacist1760066039
  9. Kim Owens, LMFTMarriage & Family Therapist1821243874
  10. Skye OwensBehavior Technician1417617432
  11. Paradyse OwusuBehavior Technician1487319356
  12. Jonathan OyagaAssistant Behavior Analyst1629642467
  13. Richard OyamaHome Health Registered Nurse1356816003
  14. Nicholas OyarzunStudent in an Organized Health Care Education/Training Program1871427088
  15. Precious OyewoleStudent in an Organized Health Care Education/Training Program1164358800
  16. Elvins OzolinsClinical Psychologist1578949103
  17. Arizbe PacabStudent in an Organized Health Care Education/Training Program1699176214
  18. Melissa PaceMarriage & Family Therapist1477741619
  19. Jacqueline PachecoCase Manager/Care Coordinator1740843473
  20. Joana PachecoBehavior Technician1386564466
  21. Jonathan PachecoBehavior Technician1447804372
  22. Moises PachecoAddiction (Substance Use Disorder) Counselor1891625273
  23. Roxanne PachecoRehabilitation Practitioner1942987359
  24. Marvin Pachman, O.D.Optometrist1356401095
  25. Joseph Pachorek, M.D.Internal Medicine Physician1881622843
  26. Christopher PadillaAddiction (Substance Use Disorder) Counselor1649782426
  27. Cynthia PadillaDay Training/Habilitation Specialist1578294815
  28. Gennesis PadillaRehabilitation Practitioner1104314541
  29. Isaac Padilla, MFTIMarriage & Family Therapist1710237656
  30. Liliana PadillaBehavior Technician1821717174
  31. Luz Padilla, REHABILITATION PRACRehabilitation Practitioner1265145742
  32. Jessica Padilla LaraBehavior Technician1396619227
  33. Larissa PaduaStudent in an Organized Health Care Education/Training Program1558790493
  34. Rochelle PaganBehavior Technician1730727140
  35. Benedict PagcaliwanganMassage Therapist1285567867
  36. Cori PageMarriage & Family Therapist1811249535
  37. Steven PageAddiction (Substance Use Disorder) Counselor1861217085
  38. Alessandro Pagliai, MAMarriage & Family Therapist1386232320
  39. Ma Fatima PaguioPharmacist1518453794
  40. Gabriel Pai, M.D.Specialist1356388110
  41. Quint Paige, LMFTMental Health Counselor1457005647
  42. Mya Painter, MFTMarriage & Family Therapist1295939346
  43. Richard Painter, M.S., LMFTMarriage & Family Therapist1730730391
  44. Iris Paiso, DDSGeneral Practice Dentistry1588794945
  45. Jenny Pak, PH.D.Psychologist1700320223
  46. Carlos PalaciosInternal Medicine Physician1285262964
  47. Franco PalaciosCounselor1396306254
  48. Ja'Nean PalaciosRehabilitation Practitioner1518630177
  49. Michelle Palacios OrgasBehavior Technician1770242315
  50. Nicole Palacios Pritchard, DMDGeneral Practice Dentistry1265179410

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

Pasadena, California appears in the CMS National Plan and Provider Enumeration System with 10,525 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 Pasadena - 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 Pasadena 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 Pasadena is weighted toward Behavior Technician (1,617 clinicians, followed by Marriage & Family Therapist with 1,082 and Rehabilitation Practitioner with 924). 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, Pasadena reports roughly 27 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.

For Pasadena 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 Pasadena, CA?

There are 10,525 registered healthcare providers in Pasadena, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Pasadena?

The most common specialties in Pasadena are Behavior Technician, Marriage & Family Therapist, Rehabilitation Practitioner, Student in an Organized Health Care Education/Training Program, Clinical Social Worker. Behavior Technician has the most providers with 1,617.

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.