2026 data CMS NPPES NUCC Taxonomy

Doctors in Colton, CA

Active healthcare providers in Colton sourced from the CMS NPPES weekly file, no proprietary ratings, no editorial scores. NPI counts, specialty distribution, and primary practice addresses refreshed each release.

2,380
Providers
CMS NPPES-registered
20
Specialties
NUCC taxonomy codes
Registered Nurse
Top specialty
359 providers
California
State
CA

2,380 healthcare providers across 20 specialties

Colton, California appears in the CMS National Plan and Provider Enumeration System with 2,380 registered healthcare providers spanning 20 distinct NUCC-taxonomy specialties. This count includes every individual clinician who has applied for an NPI and listed a practice address in Colton - 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 Colton 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 2023 Medicare Part D data, and, according to CMS, can be searched, compared, and traced in our methodology.

The provider mix in Colton is weighted toward Registered Nurse (359 clinicians, followed by Student in an Organized Health Care Education/Training Program with 328 and Physician Assistant with 149). 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, Colton reports roughly 6.1 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.

Within California, Colton ranks #92 of 805 cities tracked by provider count, accounting for 0.3% of the state's registered providers. Of California's most common specialties, Physical Therapist is the most prominent one with no provider currently listing a Colton practice address, a coverage gap Colton patients typically fill by traveling to a larger nearby hub.

For Colton patients, this directory is most useful as a starting shortlist, searching by specialty narrows the 690-taxonomy roster to clinicians with the relevant training, and each provider page links to NPI, state licensing boards, and the NPPES registry for credential verification. 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, so listing details may be out of date; call the practice directly to confirm the provider is still there, accepts your insurance, and is taking new patients. Nothing on this page substitutes for consulting a licensed clinician about your personal health decisions.

2,380
Providers
20
Specialties
#92
of 805 CA cities
0.3%
of CA providers
6.1
Per 100K (state)

Which specialties are most common in Colton

Registered Nurse 359
Student in an Organized Health Care Education/Training Program 328
Physician Assistant 149
Addiction (Substance Use Disorder) Counselor 115
Behavior Technician 102
Licensed Vocational Nurse 86
Mental Health Counselor 83
Licensed Psychiatric Technician 79
Emergency Medicine Physician 77
Family Medicine Physician 69
Marriage & Family Therapist 64
Pharmacist 59
Internal Medicine Physician 55
Clinical Social Worker 45
Certified Registered Nurse Anesthetist 38
Counselor 36
Psychiatric/Mental Health Registered Nurse 35
Psychiatry Physician 33
Case Manager/Care Coordinator 33
Family Nurse Practitioner 29

Healthcare Providers (Page 41)

Name
Nancy Simon
Licensed Psychiatric Technician
Patrick Simon
Registered Nurse
Tara Simonson, PA-C
Physician Assistant
Fay Simpson, N.P.
Nurse Practitioner
Michael Simpson, MS SLP-CCC
Speech-Language Pathologist
Renee Simpson, CRNA
Certified Registered Nurse Anesthetist
Alyssia Sims
Rehabilitation Practitioner
Arnold Sin, M.D
Emergency Medicine Physician
Amanda Sindhu, MD
Surgery Physician
Stacie Singh, LCSW
Clinical Social Worker
Rachel Sinit, DO
Student in an Organized Health Care Education/Training Program
Clarence Sinkhorn, MD
Obstetrics & Gynecology Physician
Emma Sircar
Psychiatric/Mental Health Registered Nurse
Alfred Siringo-Ringo
Registered Nurse
Lizette Sistoza, MD
Neonatal-Perinatal Medicine Physician
Ishak Sitanggang
Registered Nurse
John Skaf
Student in an Organized Health Care Education/Training Program
Sindia Slack
Marriage & Family Therapist
Deborah Small, MD
Family Medicine Physician
Benjamin Smith, BCBA
Behavior Analyst
Clayton Smith, CRNA
Registered Nurse
Gregory Smith, REGISTERED STUDENT
Addiction (Substance Use Disorder) Counselor
Larhonda Smith, SLP
Speech-Language Pathologist
Roy Smith
Registered Nurse
Karina Smolyar
Student in an Organized Health Care Education/Training Program
Chase Snodgrass
Student in an Organized Health Care Education/Training Program
Angela Snyder
Licensed Psychiatric Technician
Dorian Snyder, M.D
Emergency Medicine Physician
Janet Sobalvarro
Licensed Vocational Nurse
Andrea Sobampo, AMFT
Marriage & Family Therapist
Hernani Soberano, M.D.
Pediatrics Physician
Karnik Soghomonian, DO
Psychiatry Physician
Samad Sohail, PA-C
Physician Assistant
John Sohn, M.D.
Nuclear Radiology Physician
Brett Sojda, PA-C
Surgical Physician Assistant
Cindy Solares
Licensed Psychiatric Technician
Rebekah Soldin
Student in an Organized Health Care Education/Training Program
Sterling Soliman
Registered Nurse
Nadia Solis
Clinical Social Worker
John Soliz, FNP-BC
Family Nurse Practitioner
Philip Solt
Physician Assistant
Veerpal Sond
Internal Medicine Physician
Andrew Song, M.D.
Nuclear Radiology Physician
Eric Song, PA-C
Physician Assistant
Andrew Sorensen, DO
Internal Medicine Physician
Janice Soriano
Registered Nurse
Jozaldy Soriano
Registered Nurse
Pedro Soto
Licensed Psychiatric Technician
Marta Sovyanhadi
Registered Dietitian
Mykael Spencer
Behavior Technician

Nearby Cities in California

Other California cities with provider coverage in the CMS NPPES registry.

Compare specialties side-by-side →

Frequently Asked Questions

How many doctors are in Colton, CA?
There are 2,380 registered healthcare providers in Colton, CA, covering 20 specialties. This includes physicians, dentists, therapists, and other licensed providers.
What are the most common medical specialties in Colton?
The most common specialties in Colton are Registered Nurse, Student in an Organized Health Care Education/Training Program, Physician Assistant, Addiction (Substance Use Disorder) Counselor, Behavior Technician. Registered Nurse has the most providers with 359.

Provider data from CMS NPPES (download.cms.gov/nppes); specialty classification from NUCC Health Care Provider Taxonomy. PlainDoctor does not rate or rank providers. Methodology · About

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from CMS National Plan and Provider Enumeration System (NPPES). Consult a qualified professional before making decisions based on this data.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-20.