Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Ann Lin, MD

Sees patients in Riverside, CA · Moreno Valley, CA · Murrieta, CA · California

Summary

Ann Lin, MD (General Surgery) is enrolled with Medicare at 4 practice locations in Riverside, CA, Moreno Valley, CA and Murrieta, CA. NPI 1396273793. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ann Lin, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General SurgeryPrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
FemaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Ann Lin see patients?
Medicare's clinician data lists 4 practice locations, including Riverside, CA, Moreno Valley, CA and Murrieta, CA. Call before your visit to confirm the address.
What is Ann Lin's specialty?
Medicare lists General Surgery as the primary specialty.
Does Ann Lin accept Medicare assignment?
Yes. Medicare's clinician data says Ann Lin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ann Lin?
(951) 353-2000, as listed in official Medicare / NPI Registry data.
What is Ann Lin's NPI number?
1396273793. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Ann Lin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ann Lin as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Riverside

Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.

All general surgeons in Riverside →

Clinician information

CredentialMD
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396273793
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians