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Anesthesiology

Nicholas A. Riegels, MD

Sees patients in Oakland, CA · California

Summary

Nicholas A. Riegels, MD (Anesthesiology) is enrolled with Medicare at 1 practice location in Oakland, CA. NPI 1174719017. 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 Nicholas A. Riegels, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
University Of California, Davis School Of MedicineMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Nicholas A. Riegels see patients?
Medicare's clinician data lists 1 practice location in Oakland, CA. Call before your visit to confirm the address.
What is Nicholas A. Riegels's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Nicholas A. Riegels accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas A. Riegels 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 Nicholas A. Riegels?
(510) 752-1000, as listed in official Medicare / NPI Registry data.
What is Nicholas A. Riegels's NPI number?
1174719017. 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 Nicholas A. Riegels is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nicholas A. Riegels as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Oakland

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

All anesthesiologists in Oakland →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174719017
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