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 30 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. Maria TorresBehavior Analyst1508567462
  2. Maria Clara Torres, DDSDentist1174657688
  3. Michael TorresAddiction (Substance Use Disorder) Counselor1831571488
  4. Sarai TorresStudent in an Organized Health Care Education/Training Program1518574185
  5. Veronica Torres, CPNPPediatric Nurse Practitioner1124172994
  6. Arlynn Toscano San JuanStudent in an Organized Health Care Education/Training Program1780419200
  7. Jessica Tovar, ASWClinical Social Worker1154502128
  8. Stanley Toy, MDOphthalmology Physician1255388187
  9. Hailinh TranCounselor1992042725
  10. Khoi-Viet Tran, SLP-ASpeech-Language Assistant1184474637
  11. Loan Tran, M.D.Ophthalmology Physician1134161078
  12. Michelle TranPharmacist1386172823
  13. Thuy-Anh TranPharmacist1720514276
  14. Jeffrey TraversCase Manager/Care Coordinator1174822027
  15. Howard TrazoLicensed Psychiatric Technician1194373274
  16. Tam Trinh, PHARM D.Pharmacist1104109982
  17. Anand Trivedi, M.D.Allergy & Immunology Physician1437599495
  18. Divyang Trivedi, MDAllergy Physician1265473730
  19. Veronica TrujilloRehabilitation Practitioner1225101694
  20. Lan Truong, PHARMACISTPharmacist1457880874
  21. Tiffani Tsao, ODOptometrist1053157438
  22. Doma TseringSocial Worker1083038749
  23. Ryan TsouStudent in an Organized Health Care Education/Training Program1558024976
  24. Karen TuCase Manager/Care Coordinator1215381389
  25. Brenna TuckerStudent in an Organized Health Care Education/Training Program1598643157
  26. Seluvaia TuitahiBehavior Technician1730045063
  27. Makenna TwisselmanStudent in an Organized Health Care Education/Training Program1679236004
  28. Katherine Twohy, PH DClinical Psychologist1316993439
  29. Precious Ude, RNPsychiatric/Mental Health Registered Nurse1033097910
  30. Ikechukwu Ugwu, PMHNP-B CPsychiatric/Mental Health Nurse Practitioner1033998836
  31. Sopaul Ung, DPTPhysical Therapist1750238341
  32. Erianna UribeDay Training/Habilitation Specialist1447143516
  33. Augustina Urubusi, NURSE PRACTITIONER(MPsychiatric/Mental Health Nurse Practitioner1508199191
  34. Niza Uy-Uyan, MDGeneral Practice Physician1710933254
  35. Archana VachhaniPharmacist1720587199
  36. Jacqueline ValdezLicensed Vocational Nurse1518750108
  37. Julie Valdez, LCSWClinical Social Worker1124106174
  38. Lisa ValdezCounselor1073811493
  39. Marcia ValentinLicensed Vocational Nurse1487570560
  40. Vasti ValleBehavior Technician1427914621
  41. Hailey VargasBehavior Technician1003609520
  42. Elshia Vasquez, AMFT/APCCMental Health Counselor1639859374
  43. Faith VasquezStudent in an Organized Health Care Education/Training Program1487536660
  44. Ligaya Vasquez, PTPhysical Therapist1780958736
  45. Nicolette VasquezBehavior Technician1932821105
  46. Ruben VasquezMental Health Counselor1619304334
  47. Vivian Vasquez, M.S.Marriage & Family Therapist1295427458
  48. Erika VazquezSpeech-Language Assistant1306767025
  49. Samantha VazquezPeer Specialist1275260390
  50. Sujeil VazquezCounselor1992562813

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.