Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Merry B. Gong, MD

Sees patients in Berkeley, CA · California

Summary

Dr. Merry B. Gong, MD is an internal medicine doctor at 3260 Sacramento St, Berkeley, CA 94702. Phone: (510) 428-4500. Accepts Medicare assignment. NPI 1265540462. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3260 Sacramento St, Berkeley, CA 94702 · Directions
  • Phone: (510) 428‑4500
  • Medicare: Accepts Medicare assignment
  • Group practice: Lifelong Medical Care
  • Medical school: University Of California, Geffen School Of Medicine · graduated 1975 (51 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Merry B. Gong, 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 Merry B. Gong accept Medicare assignment?
Yes. Medicare's clinician data says Merry B. Gong 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 Merry B. Gong's NPI number?
1265540462. 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 Merry B. Gong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Merry B. Gong as a member of this group (CMS data updated October 2, 2026).

  • Lifelong Medical Care73 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Berkeley

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

All internal medicine doctors in Berkeley →

Other clinicians in Lifelong Medical Care

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1975 (51 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265540462
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