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 35 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. Samuel Kianmahd, MDStudent in an Organized Health Care Education/Training Program1376122390
  2. Catherine KiiruLicensed Vocational Nurse1760197420
  3. Breanna KikuchiRegistered Nurse1932988847
  4. Abraham Kim, PHARM.D.Pharmacist1023324175
  5. Allen KimBehavior Technician1962008771
  6. Brian KimSurgical Physician Assistant1962850313
  7. Christina Kim, PA-CPhysician Assistant1205180981
  8. Danny Kim, DPTPhysical Therapist1003032426
  9. Dennis Kim, PHARM DPharmacist1154509636
  10. Dong Kim, M.D.Neonatal-Perinatal Medicine Physician1881751857
  11. Hannah Kim, MD, MPHPreventive Medicine/Occupational Environmental Medicine Physician1710177522
  12. Heesoo Kim, PHARMDPharmacist1538794128
  13. Helena KimPharmacist1508497405
  14. Hyeon Jin KimFamily Nurse Practitioner1790526101
  15. Hyo Kim, N.P.Pediatric Nurse Practitioner1396021853
  16. Hyong Kim, M.D.Internal Medicine Physician1396792677
  17. Jeffrey KimRegistered Respiratory Therapist1164904173
  18. Jessica Kim, PHARM.D.Pharmacist1124437140
  19. Jiwon KimDentist1952611089
  20. Judong Kim, M.D.Internal Medicine Physician1548454341
  21. Karen KimPharmacist1790316636
  22. Kay Kyung Kim, MDAnesthesiology Physician1649322009
  23. Kelly Kim, OTR/LOccupational Therapist1447882592
  24. Mary KimRenal Nutrition Registered Dietitian1346817723
  25. Min Seok Kim, NPFamily Nurse Practitioner1851235188
  26. Nathan KimPediatric Nurse Practitioner1336847797
  27. Peter Kim, L.AC.Acupuncturist1255536934
  28. Solomon Kim, D.C.Chiropractor1689057622
  29. Steven Kim, PHARMDPharmacist1982235511
  30. Sungchan Kim, RDRegistered Dietitian1467794255
  31. Sunny Kim, L.AC.Acupuncturist1881744316
  32. Susie Kim, M.D.Internal Medicine Physician1548452220
  33. Theresa Kim, DOStudent in an Organized Health Care Education/Training Program1043914369
  34. Yunji Kim, NPPrimary Care Nurse Practitioner1144786369
  35. Reuven Kimmerling, M.D.Internal Medicine Physician1912149071
  36. Karla KincaidCase Manager/Care Coordinator1639313166
  37. Caroline King, M.D.Internal Medicine Physician1366704660
  38. Tonisha KingBehavior Technician1356912455
  39. Myon KinseyBehavior Technician1174166268
  40. Sonja Kiseljak-Dusenbury, DPT. MBAPhysical Therapist1154484459
  41. Tina KishishitaPharmacist1881225407
  42. Marin Kitamura, PTPhysical Therapist1922655711
  43. Denis Kitayama, PHARM.D.Pharmacist1508956954
  44. Marissa Klein, MS, CCC-SLPSpeech-Language Pathologist1679990006
  45. Bryanna KnightBehavior Technician1912672320
  46. Judy Knight, RPHPharmacist1144851726
  47. Megan KnightBehavior Technician1578145892
  48. Priscilla Knott, BARecreation Therapist1710061064
  49. Alexus KnoxBehavior Technician1942875752
  50. Bryce Ko, M.D.Emergency Medicine Physician1295016475

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.