Internal Medicine in Colton, CA
91 active Internal Medicine providers practice in Colton, California according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1811931603 | Anthony Enenmoh | Individual | Internal Medicine Physician | Colton, CA |
| 1437230067 | Arrowhead Cardiology Medical Group | Organization | Cardiovascular Disease Physician | Colton, CA |
| 1699870139 | Badran Madani | Individual | Internal Medicine Physician | Colton, CA |
| 1144265919 | Beaver Medical Group P C | Organization | Internal Medicine Physician | Colton, CA |
| 1184646119 | Calvin Duong | Individual | Internal Medicine Physician | Colton, CA |
| 1376585349 | Cecilia Katz | Individual | Internal Medicine Physician | Colton, CA |
| 1386690980 | Douglas Hay | Individual | Internal Medicine Physician | Colton, CA |
| 1811944598 | Ireny Ibrahim | Individual | Internal Medicine Physician | Colton, CA |
| 1881731032 | James Ericson | Individual | Internal Medicine Physician | Colton, CA |
| 1063567394 | John F. Randolph,M.D.,Inc. | Organization | Geriatric Medicine (Internal Medicine) Physician | Colton, CA |
| 1396784740 | Kambiz Raoufi | Individual | Internal Medicine Physician | Colton, CA |
| 1588746010 | Kuo-Liang Huang | Individual | Infectious Disease Physician | Colton, CA |
| 1346286507 | Mark Robinson | Individual | Internal Medicine Physician | Colton, CA |
| 1184708554 | Melvyn Ross | Individual | Cardiovascular Disease Physician | Colton, CA |
| 1477589257 | Mohammad Shahid Khan | Individual | Internal Medicine Physician | Colton, CA |
| 1467410134 | Primary Critical Care Limited Partnership | Organization | Pulmonary Disease Physician | Colton, CA |
| 1467658310 | Que Cardiology Medical Group | Organization | Cardiovascular Disease Physician | Colton, CA |
| 1144256900 | Robert Nguyen | Individual | Internal Medicine Physician | Colton, CA |
| 1023050762 | Roy Lung | Individual | Internal Medicine Physician | Colton, CA |
| 1336202266 | Sarkis Arabian | Individual | Internal Medicine Physician | Colton, CA |
| 1962611897 | Sergio Infante | Individual | Nephrology Physician | Colton, CA |
| 1649351198 | Steven Fitzmorris | Individual | Interventional Cardiology Physician | Colton, CA |
| 1538152095 | Thet Oo | Individual | Geriatric Medicine (Internal Medicine) Physician | Colton, CA |
| 1437103322 | Yanfei Chen | Individual | Internal Medicine Physician | Colton, CA |
Frequently asked questions
How many Internal Medicine providers are in Colton, CA?
The latest NPPES snapshot lists 91 active Internal Medicine providers with a practice address in Colton, California.
How do I check a Internal Medicine provider's NPI in Colton?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-10.