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Internal Medicine

Annie Oh, MD

Works at hospitals in Riverside, CA · California

Summary

Annie Oh, MD (Internal Medicine) is listed by Medicare at 1 hospital in Riverside, CA. NPI 1205028404. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Annie Oh, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
FemaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Annie Oh work at?
Medicare's official clinician data lists Annie Oh at 1 hospital: Kaiser Foundation Hospital, Riverside. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Annie Oh see patients?
Medicare's clinician data lists 2 practice locations, including Riverside, CA and Murrieta, CA. Call before your visit to confirm the address.
What is Annie Oh's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Annie Oh accept Medicare assignment?
Yes. Medicare's clinician data says Annie Oh 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 Annie Oh?
(951) 353-2000, as listed in official Medicare / NPI Registry data.
What is Annie Oh's NPI number?
1205028404. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Annie Oh works

Medicare's Facility Affiliation Data lists Annie Oh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

Medicare enrollment lists Annie Oh 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 Internal Medicine doctors in California →

Other internal medicine doctors in Riverside

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

All internal medicine doctors in Riverside →

Clinician information

CredentialMD
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205028404
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians