NPPES file of Aug 9, 2026

Doctors and health care providers in Norco, CA

410 individual NPPES records list a practice address in Norco, 305th of 812 California cities. The largest group is behavior technician: 101, 25% of the city's records, against 18% across California. Page 9 of 9.

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

Norco in California

  • Rank in California305th of 812 cities by records
  • Share of the state<0.1% of California's records
  • Specialties present25 or more taxonomy codes
  • Top three groups35.1% of all records

Compared with California as a whole, Norco has 14× the state's share of school psychologist records and 0.55× its share of marriage & family therapist records.

Providers in Norco, alphabetically

  1. Nancy WooPhysical Therapy Assistant1174242804
  2. Kalpana YadavDentist1336574557
  3. Kelly Yi, DPTPhysical Therapist1235945478
  4. Janet YoonOptometrist1679127666
  5. Soojin Yu, NURSE PRACTITIONERFamily Nurse Practitioner1003277260
  6. Will YunPharmacist1013128891
  7. Jennifer Zeman, MS-CCC-SLPSpeech-Language Pathologist1063942779
  8. Lauren Zielinski, DPTPhysical Therapist1811390974
  9. Thant Zin, D.D.S.General Practice Dentistry1003971771
  10. Nicolette ZunigaDental Assistant1164038451

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

Norco, California appears in the CMS National Plan and Provider Enumeration System with 410 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 Norco - 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 Norco 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 Norco is weighted toward Behavior Technician (101 clinicians, followed by Speech-Language Pathologist with 23 and General Practice Dentistry with 20). 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, Norco reports roughly 1.1 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, Student in an Organized Health Care Education/Training Program is the most prominent one with no provider currently listing a Norco practice address, a coverage gap Norco patients typically fill by traveling to a larger nearby hub.

For Norco 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 Norco, CA?

There are 410 registered healthcare providers in Norco, CA, covering 25 or more specialties. This includes physicians, dentists, therapists, and other licensed providers.

What are the most common medical specialties in Norco?

The most common specialties in Norco are Behavior Technician, Speech-Language Pathologist, General Practice Dentistry, Pharmacist, Behavior Analyst. Behavior Technician has the most providers with 101.

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.