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Internal Medicine

Frank E. Flatauer, MD

Sees patients in Anaheim, CA · Irvine, CA · California

Summary

Frank E. Flatauer, MD (Internal Medicine) is enrolled with Medicare at 4 practice locations in Anaheim, CA and Irvine, CA. NPI 1902977895. 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 Frank E. Flatauer, 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
53Years since medical school (graduated 1973)
Johns Hopkins University School Of MedicineMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Frank E. Flatauer see patients?
Medicare's clinician data lists 4 practice locations, including Anaheim, CA and Irvine, CA. Call before your visit to confirm the address.
What is Frank E. Flatauer's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Critical Care (Intensivists) and Pulmonary Disease.
Does Frank E. Flatauer accept Medicare assignment?
Yes. Medicare's clinician data says Frank E. Flatauer 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 Frank E. Flatauer?
(714) 279-6088, as listed in official Medicare / NPI Registry data.
What is Frank E. Flatauer's NPI number?
1902977895. 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 Frank E. Flatauer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Frank E. Flatauer 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 Anaheim

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

All internal medicine doctors in Anaheim →

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year1973
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902977895
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