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Emergency Medicine

Gerald R. Fries, MD

Sees patients in Oakland, CA · California

Summary

Dr. Gerald R. Fries, MD is an emergency medicine doctor at 818 Webster St, Oakland, CA 94607. Phone: (510) 986-6800. Accepts Medicare assignment. NPI 1851479455. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 818 Webster St, Oakland, CA 94607 · Directions
  • Phone: (510) 986‑6800
  • Medicare: Accepts Medicare assignment
  • Group practice: Asian Health Services
  • Medical school: University Of California, Davis School Of Medicine · graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gerald R. Fries, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Gerald R. Fries accept Medicare assignment?
Yes. Medicare's clinician data says Gerald R. Fries accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Gerald R. Fries's NPI number?
1851479455. 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 Gerald R. Fries is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gerald R. Fries as a member of this group (CMS data updated October 2, 2026).

  • Asian Health Services94 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Oakland

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

All emergency medicine doctors in Oakland →

Other clinicians in Asian Health Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851479455
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 October 2, 2026, retrieved October 29, 2026
  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