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 9 of 32.
The 8 largest groups in Norwalk
Source: CMS NPPES primary taxonomy, file of Aug 9, 2026.
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
- Mariah DiazBehavior Technician1588585566
- Callie DicksonCounselor1982953774
- Lisa Dieckmann, PHDClinical Psychologist1902994916
- Weldon Dienzo, COTA/LOccupational Therapy Assistant1881214955
- Jonathan DiepMental Health Counselor1821780552
- Michelle Ding, PHARM.D.Psychiatric Pharmacist1275934242
- Breana DipintoBehavior Technician1275490914
- Blanca Dixon, COTAOccupational Therapy Assistant1952843203
- Tram Do, RPHPharmacist1194181313
- Tuan Doan, D.D.S.Dentist1235418559
- Esperanza DolphinCase Manager/Care Coordinator1124499272
- Baylee DominguezCase Manager/Care Coordinator1518598275
- Siobhan Donovan, PSYDClinical Psychologist1952634321
- Anthony Dorse, M.D.Family Medicine Physician1427375021
- Bunrorth DoungRegistered Dietitian1851638639
- Sabrina DoyleStudent in an Organized Health Care Education/Training Program1306671615
- Michelle Dragovich, M.A.Counselor1093010613
- Phat Du, PHARM.D.Pharmacist1154859809
- Julie Duane, NPPsychiatric/Mental Health Nurse Practitioner1952734071
- Eulices DuarteStudent in an Organized Health Care Education/Training Program1932678364
- Merisa Duarte, APCCProfessional Counselor1821761875
- Ruben Duarte MancillaBehavior Technician1982565008
- Elena DucreuxMental Health Counselor1811205420
- Destiny DuenasBehavior Technician1487524427
- Diego Duenas-GonzalezPhysical Therapy Assistant1699164301
- Jennifer DuhClinical Social Worker1194809426
- Deena DuncanMarriage & Family Therapist1417130196
- Rochelle DuongPhysical Rehabilitation Occupational Therapist1992269419
- Tam DuongPharmacist1164968194
- Tonja Duvardo, PSYCHOLOGISTClinical Psychologist1518903939
- Robelyn EchanoMassage Therapist1356216592
- Catelyn E EddardsBehavior Technician1457219768
- Domonique EdwardsRegistered Nurse1265389951
- Virginia Edwards, BCBABehavior Analyst1871030569
- Kong EkCounselor1346599651
- Natalia EkchenguerCommunity Health Worker1003314865
- Mitzilyn Ela, PTPhysical Therapist1437206380
- Robert Elizarraras, AMFTMarriage & Family Therapist1609661602
- Christine EllisMental Health Counselor1356520936
- Nancy Ellis, RNSchool Registered Nurse1740837590
- Samantha EllstromClinical Social Worker1245106301
- Jana ElrabaaStudent in an Organized Health Care Education/Training Program1215542824
- Leslie EncisoStudent in an Organized Health Care Education/Training Program1750269791
- William Engel, CRNACertified Registered Nurse Anesthetist1528387222
- David Engleman, LCSWClinical Social Worker1588743421
- Sandra Enojado, DDSGeneral Practice Dentistry1245356237
- Matthew Enriquez, LMFTMarriage & Family Therapist1104205129
- Jennifer EpohPsychiatric/Mental Health Nurse Practitioner1952260150
- Sandra Erdelac, LMFTMarriage & Family Therapist1659494664
- Andrew Erman, LCSWSocial Worker1568614378
The largest California cities
- Los Angeles69,537
- San Diego52,937
- San Francisco38,143
- Sacramento33,083
- San Jose20,925
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.