NPPES file of Aug 9, 2026

Doctors and health care providers in Downey, CA

3,607 individual NPPES records list a practice address in Downey, 60th of 812 California cities. The largest group is behavior technician: 763, 21% of the city's records, against 18% across California. Page 33 of 73.

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

Downey in California

  • Rank in California60th of 812 cities by records
  • Share of the state0.4% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups32.4% of all records

Compared with California as a whole, Downey has 9.5× the state's share of ambulatory care registered nurse records and 0.38× its share of marriage & family therapist records.

Providers in Downey, alphabetically

  1. Jose JimenezBehavior Analyst1114572989
  2. Luciano Jimenez, DDSDentist1407774912
  3. Sandra JimenezClinical Social Worker1659567022
  4. Nhia Denisse JironBehavior Technician1184296980
  5. Lalit JobanputraOccupational Therapist1407123466
  6. Randall Joe, BA, PTA, CBISPhysical Therapy Assistant1497278840
  7. Leanor Johansen, PHDPsychologist1003164070
  8. Anthony Johnson, OTOccupational Therapist1124909924
  9. Darryl JohnsonAddiction (Substance Use Disorder) Counselor1184326068
  10. Elroy JohnsonDay Training/Habilitation Specialist1457018988
  11. Jada Johnson, MSWClinical Social Worker1669260501
  12. Jared JohnsonOral and Maxillofacial Surgery (Dentist)1902428238
  13. Lisa Johnson, M.S.N., NP-CNurse Practitioner1750388716
  14. Nyka Johnson, RNPsychiatric/Mental Health Nurse Practitioner1902662489
  15. Penny Johnson, MDDiagnostic Radiology Physician1497942106
  16. Ryann JohnsonClinical Social Worker1548818834
  17. Tammy Johnson, PSYCH TECHLicensed Psychiatric Technician1356764328
  18. Robin Johnson Zableckis, OTR/LOccupational Therapist1528584935
  19. Martha Johnston, REGISTERED NURSEAmbulatory Care Registered Nurse1871045963
  20. Annette JonesBehavior Technician1396307583
  21. Barry Jones, PTPhysical Therapist1316069032
  22. Erika JonesHealth & Wellness Coach1326993403
  23. Marcus JonesContractor1437802220
  24. Natalie Jones, CRNACertified Registered Nurse Anesthetist1740821651
  25. Nicole JonesClinical Social Worker1457181067
  26. Onya JonesAddiction (Substance Use Disorder) Counselor1881231298
  27. Pamela JonesOccupational Therapy Assistant1427571728
  28. Ramona JonesBehavior Technician1528610029
  29. Shakeila Jones, APCCProfessional Counselor1689492670
  30. Tatyana Jones, PH.D.Clinical Neuropsychologist1740223254
  31. Elizabeth Jones JacksonContractor1366291551
  32. William Jones JrCase Manager/Care Coordinator1760618425
  33. Jung Joo, L.ACAcupuncturist1447497185
  34. Summer JordanBehavior Technician1700490380
  35. Deborah JordonBehavior Technician1740850189
  36. Carli JosephBehavior Technician1700357266
  37. Ishita Joshi, D.O.Family Medicine Physician1487188728
  38. Jennifer Joswick, R.E.Specialist1659815496
  39. Nancy Jou, NPFamily Nurse Practitioner1477141265
  40. Lindsay JoyoPharmacist1093354128
  41. Jenna Jreisat, LMFTMarriage & Family Therapist1497073167
  42. Alma JuarezSpeech-Language Assistant1063280956
  43. Natalie Juarez, LCSW, PPSClinical Social Worker1770732000
  44. Pamela Judd, PHARM.D.Pharmacist1336235266
  45. Tanja JukicBehavior Technician1548866361
  46. Kim KabbashDay Training/Habilitation Specialist1336936269
  47. Sandra Kaddis, PHARMDPharmacist1902488182
  48. Marshall Kahn, M.D.Family Medicine Physician1699912451
  49. Daniel Kahsai, MDEmergency Medicine Physician1376588624
  50. Christine KaiStudent in an Organized Health Care Education/Training Program1750031969

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

Downey, California appears in the CMS National Plan and Provider Enumeration System with 3,607 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 Downey - 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 Downey 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 Downey is weighted toward Behavior Technician (763 clinicians, followed by Pharmacist with 248 and Physical Therapist with 159). 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, Downey reports roughly 9.3 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, Mental Health Counselor is the most prominent one with no provider currently listing a Downey practice address, a coverage gap Downey patients typically fill by traveling to a larger nearby hub.

For Downey 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 Downey, CA?

There are 3,607 registered healthcare providers in Downey, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Downey?

The most common specialties in Downey are Behavior Technician, Pharmacist, Physical Therapist, Addiction (Substance Use Disorder) Counselor, Clinical Social Worker. Behavior Technician has the most providers with 763.

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.