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 21 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
- Michele Morris-JonesSpecialist1720211923
- Lao Moua, MARehabilitation Practitioner1598015232
- Jazlyn MoyaBehavior Technician1326993353
- Joseph Moza, MDSurgery Physician1356336127
- Rosangela Muniz, MS, RDNRegistered Dietitian1154151397
- Ricardo MunozCase Manager/Care Coordinator1851597884
- Anahi Munoz GMarriage & Family Therapist1336845502
- Estera MunteanSpeech-Language Pathologist1376425967
- Harris Musafer, M.D.Specialist1619901667
- Mallory MuyrongBehavior Technician1184569386
- Nakia MylesSpeech-Language Pathologist1336632652
- Amy NagelePhysical Therapist1548574270
- Sabita Naidu, MDFamily Medicine Physician1952747180
- Thomas Najdowski, LCSW,MFTMarriage & Family Therapist1831267848
- Tina NarangMarriage & Family Therapist1710115035
- Jordan Naranjo, MSMarriage & Family Therapist1003576356
- Pushpavathi Narasimhaiah, DDSGeneral Practice Dentistry1912280546
- Cynthia NathanielCounselor1447516489
- Flora Navarro, DMDDentist1699760421
- Julian NavarroBehavior Analyst1083061477
- Karla NavarroBehavior Technician1750095733
- Anesa NelsonStudent in an Organized Health Care Education/Training Program1093462673
- L. Nelson, MDEmergency Medicine Physician1407972656
- Mahmoud Nemazee, M.D.Emergency Medicine Physician1801849450
- Jacob NemethBehavior Technician1134088578
- Jillian NevarezCase Manager/Care Coordinator1417523309
- Ruben NevarezRehabilitation Practitioner1972737765
- Ernie Nghia, ODOptometrist1740824010
- Andrew NgoPharmacist1780085829
- Dionne NgoStudent in an Organized Health Care Education/Training Program1649021742
- Corey Ngoy, MDPsychiatry Physician1285216739
- Ann Nguyen, PHARMDPharmacist1558714725
- Christine Nguyen, D.D.S.Dentist1306064829
- Doan Nguyen, PHARMDPharmacist1518658848
- Douglas Nguyen, D.D.S.Dentist1124246632
- Dung Nguyen, MDGeneral Practice Physician1497702336
- Jenny Nguyen, RDRegistered Dietitian1457614547
- Nathan NguyenBehavior Technician1023974342
- Ngoc NguyenPharmacist1215465828
- Quan Nguyen, PHARM DPharmacist1205364866
- Shannon NguyenBehavior Technician1942158712
- Thao Nguyen, PHARM. D.Pharmacist1851706519
- Thomas Nguyen, D.D.S.Dentist1912282203
- Toni Nguyen, DDSDentist1669403408
- Travis NguyenMarriage & Family Therapist1487391017
- Tuyet-Nga Nguyen, RPHPharmacist1538437439
- Brenda NhevBehavior Technician1689530149
- Ralph Nicassio, D.D.S.Dentist1386794733
- Nichole NicholasCounselor1932474491
- Gregory Nicholson, M.D.Psychiatry Physician1851489868
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.