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Internal Medicine

Michael A. Olerich, MD

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

Summary

Michael A. Olerich, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Anaheim, CA and Irvine, CA. NPI 1013084961. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(714) 279‑6088 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Michael A. Olerich, 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

2Practice locations
Internal MedicinePrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Michael A. Olerich see patients?
Medicare's clinician data lists 2 practice locations, including Anaheim, CA and Irvine, CA. Call before your visit to confirm the address.
What is Michael A. Olerich's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Endocrinology.
Does Michael A. Olerich accept Medicare assignment?
Yes. Medicare's clinician data says Michael A. Olerich 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 Michael A. Olerich?
(714) 279-6088, as listed in official Medicare / NPI Registry data.
What is Michael A. Olerich's NPI number?
1013084961. 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 Michael A. Olerich is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael A. Olerich 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
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013084961
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