Internal Medicine in Lake Forest, CA
17 active Internal Medicine providers practice in Lake Forest, 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 |
|---|---|---|---|---|
| 1104482389 | Bradley Neutel | Individual | Internal Medicine Physician | Lake Forest, CA |
| 1215974969 | Brian Chavez | Individual | Endocrinology, Diabetes & Metabolism Physician | Lake Forest, CA |
| 1609633049 | California Functional Internal Medicine Clinic LLC | Organization | Internal Medicine Physician | Lake Forest, CA |
| 1356101067 | California Functional Internal Medicine Inc | Organization | Internal Medicine Physician | Lake Forest, CA |
| 1750264685 | Coastline Endocrinology Associates, P.C. | Organization | Endocrinology, Diabetes & Metabolism Physician | Lake Forest, CA |
| 1639747637 | Culminate Medical Group Inc | Organization | Geriatric Medicine (Internal Medicine) Physician | Lake Forest, CA |
| 1164694014 | Cuong Ly MD, Inc | Organization | Nephrology Physician | Lake Forest, CA |
| 1477408961 | Kemeh Medical Professional Corporation | Organization | Internal Medicine Physician | Lake Forest, CA |
| 1689611337 | Ku-Juey Raymond Chang | Individual | Endocrinology, Diabetes & Metabolism Physician | Lake Forest, CA |
| 1992807721 | Madineth Muy | Individual | Internal Medicine Physician | Lake Forest, CA |
| 1598937476 | Nathaniel Ho, M.D. Inc | Organization | Nephrology Physician | Lake Forest, CA |
| 1346933165 | Nicole Sandler | Individual | Internal Medicine Physician | Lake Forest, CA |
| 1184979973 | Optimal Health Medical of Orange County | Organization | Cardiovascular Disease Physician | Lake Forest, CA |
| 1598053894 | Sahar Lashin | Individual | Internal Medicine Physician | Lake Forest, CA |
| 1043271018 | Sam Pourbabak | Individual | Endocrinology, Diabetes & Metabolism Physician | Lake Forest, CA |
| 1063431203 | Suma Oommen | Individual | Internal Medicine Physician | Lake Forest, CA |
| 1578733465 | Suma Oommen M D Inc | Organization | Internal Medicine Physician | Lake Forest, CA |
Frequently asked questions
How many Internal Medicine providers are in Lake Forest, CA?
The latest NPPES snapshot lists 17 active Internal Medicine providers with a practice address in Lake Forest, California.
How do I check a Internal Medicine provider's NPI in Lake Forest?
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 2026-07-11.