NPPES file of Aug 9, 2026

Doctors and health care providers in Norwalk, CA

1,600 individual NPPES records list a practice address in Norwalk, 137th of 812 California cities. The largest group is behavior technician: 193, 12% of the city's records, against 18% across California. Page 32 of 32.

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

Norwalk in California

  • Rank in California137th of 812 cities by records
  • Share of the state0.2% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups24% of all records

Compared with California as a whole, Norwalk has 8.1× the state's share of licensed psychiatric technician records and 0.50× its share of addiction (substance use disorder) counselor records.

Providers in Norwalk, alphabetically

  1. Shaun WilsonMarriage & Family Therapist1770008385
  2. Maria WitherspoonPsychiatric/Mental Health Registered Nurse1477865608
  3. Gordon Wollin, LCSWClinical Social Worker1033656608
  4. Daniel WongFamily Medicine Physician1154403624
  5. Jean Wong, LCSWClinical Social Worker1457435166
  6. Kayla WongCounselor1336575729
  7. Stephanie WongMental Health Counselor1336457340
  8. Tat WongMental Health Counselor1013230929
  9. Lisa Wright, AMFTMarriage & Family Therapist1609749035
  10. Cheuk WuStudent in an Organized Health Care Education/Training Program1114578275
  11. Kim Wynia, LMFT, CADC II, FACMental Health Counselor1003168832
  12. Jasmine Wynn, MDPsychiatry Physician1689621526
  13. Amy XuBehavior Technician1023960937
  14. Farshad Yadegar, PSY.D.Clinical Psychologist1124068697
  15. Kelly Yamaguchi, RPTPhysical Therapist1497811442
  16. Chengxin Yang, MDPsychiatry Physician1659312551
  17. Steve Yang, PSY DClinical Psychologist1801835327
  18. Mohammad YawaryPublic Health Dentistry1891471918
  19. Farzam Yazdanfar, D.C.Chiropractor1043795073
  20. Sungmin Yee, L.AC.Acupuncturist1265854251
  21. Howard YewOccupational Therapist1225781099
  22. Limin Yin, DDSDentist1669530978
  23. Tricia YokogawaOccupational Therapist1508321506
  24. Andy Yoon, D.M.D.General Practice Dentistry1255687612
  25. Lauren Yoshikawa, OTROccupational Therapist1750815312
  26. Andrea YoungCase Manager/Care Coordinator1972150704
  27. Lauren Young, DDSGeneral Practice Dentistry1467768416
  28. Maggie YoungStudent in an Organized Health Care Education/Training Program1942970637
  29. Mareya Youssef, PHARM.D.Pharmacist1700335700
  30. Chihmin YuPharmacist1396063087
  31. Mei Wei Yu, LICENSED CLINICAL SOSocial Worker1780128785
  32. Yanna Yu, O.D.Optometrist1568515096
  33. Pamela YuloBehavior Technician1285477950
  34. Jocelyn ZacariasBehavior Technician1003783937
  35. Brian Zahab, DDSPediatric Dentistry1093560211
  36. Sayyedah ZahedPhysician Assistant1346099157
  37. Karla ZamoraCase Manager/Care Coordinator1679917462
  38. Brenda ZamudioCase Manager/Care Coordinator1699340489
  39. Martin Zapata, D.OInternal Medicine Physician1689628240
  40. Andrew ZaragozaCommunity Health Worker1356929830
  41. Carmela Zaragoza, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1477214807
  42. Lu ZhanAcupuncturist1508272469
  43. Abel Zhao, DDSGeneral Practice Dentistry1699077131
  44. Tatyana ZhavenBehavior Technician1528912318
  45. Ying Zheng, LFMTIntellectual & Developmental Disabilities Psychologist1376086306
  46. Colin ZieglerMarriage & Family Therapist1811391287
  47. George Zikry, PHARMDPharmacist1750905824
  48. Kelly Zollo, LPTLicensed Psychiatric Technician1962638510
  49. Parvaneh Zolnouni, MDInternal Medicine Physician1447206156
  50. Kimberly Zuniga, MSWClinical Social Worker1760085146

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

Norwalk, California appears in the CMS National Plan and Provider Enumeration System with 1,600 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 Norwalk - 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 Norwalk 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 Norwalk is weighted toward Behavior Technician (193 clinicians, followed by Case Manager/Care Coordinator with 105 and Student in an Organized Health Care Education/Training Program with 86). 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, Norwalk reports roughly 4.1 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, Behavior Analyst is the most prominent one with no provider currently listing a Norwalk practice address, a coverage gap Norwalk patients typically fill by traveling to a larger nearby hub.

For Norwalk 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 Norwalk, CA?

There are 1,600 registered healthcare providers in Norwalk, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Norwalk?

The most common specialties in Norwalk are Behavior Technician, Case Manager/Care Coordinator, Student in an Organized Health Care Education/Training Program, Clinical Social Worker, Marriage & Family Therapist. Behavior Technician has the most providers with 193.

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.