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 24 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. Andrea PerkinsAddiction (Substance Use Disorder) Counselor1487144895
  2. Rondelle PerkinsBehavior Analyst1366176828
  3. Christy PerryMental Health Counselor1023342698
  4. Matthew PetersBehavior Technician1013872373
  5. Yunique PettigrewBehavior Technician1700774742
  6. Christina PhamCase Manager/Care Coordinator1245850262
  7. Nghi Pham, MDGeneral Practice Physician1528014941
  8. Quynh Pham, DOFamily Medicine Physician1851327910
  9. Truc Giang Pham, DPTPhysical Therapist1881364636
  10. Hung Phan, MDInternal Medicine Physician1447505284
  11. Kevin PhanStudent in an Organized Health Care Education/Training Program1932740610
  12. Amy PhillipsProfessional Counselor1144613050
  13. Shannon Phillips, PEER SUPPORT SPEC.Peer Specialist1326937822
  14. Marlene PicoCase Manager/Care Coordinator1023753902
  15. Jacob PieriBehavior Technician1255280434
  16. Jahvon PierreMarriage & Family Therapist1780353631
  17. Juliet PinedaRegistered Nurse1376372698
  18. Jennifer Piponniau, LCSWClinical Social Worker1144671306
  19. Catina PiquionPsychiatric/Mental Health Nurse Practitioner1720365927
  20. Denajah PitchfordLicensed Vocational Nurse1841936267
  21. Richard Plon, PHARM.D.Psychiatric Pharmacist1346778701
  22. Zamya PlummerBehavior Technician1881556371
  23. Sieghart Ponhold, M.DFamily Medicine Physician1891883955
  24. Edwin Poon, PHDClinical Psychologist1396785630
  25. Olivia PopeCounselor1013341148
  26. Archana Prasad, MDFamily Medicine Physician1316504525
  27. Pranav Kumar PravinSpeech-Language Pathologist1083195671
  28. Dawnell Prescott, LPTLicensed Psychiatric Technician1710052774
  29. Martha Prieto, PHARMD/MPHPharmacist1881962793
  30. January PrinceCase Manager/Care Coordinator1083001168
  31. Sharonda Quezada, PSY.D.Clinical Psychologist1467912915
  32. Jovita QuezadasDriver1013481506
  33. Miranda QuintanaBehavior Technician1639831233
  34. Miriam QuintanillaCommunity Health Worker1033509104
  35. Jessika QuirogaSpecialist1548620586
  36. Nancy QuirozRehabilitation Practitioner1528825551
  37. Steve Rahimi, MDPsychiatry Physician1942257936
  38. Jyoti RajpootPsychiatry Physician1265852313
  39. Saritha RajuSpeech-Language Pathologist1992472708
  40. Swarnalatha Ramdev, M.DPsychiatry Physician1043228273
  41. Adrian Ramirez, B.A.Case Manager/Care Coordinator1649704057
  42. Arthur RamirezAddiction (Substance Use Disorder) Counselor1154664993
  43. Daisy Ramirez, CCC-SLPSpeech-Language Pathologist1255037842
  44. Eliana RamirezStudent in an Organized Health Care Education/Training Program1922862275
  45. Emily RamirezBehavior Technician1255219994
  46. Ernie RamirezBehavior Technician1720961295
  47. Ingrid RamirezBehavior Technician1609578780
  48. Sara RamirezLicensed Vocational Nurse1710707906
  49. Susana RamirezRehabilitation Practitioner1518256296
  50. Xochitl RamirezRehabilitation Practitioner1700379518

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.