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Hospitalist

Tun Tun Maung, MD

Works at hospitals in Antioch, CA · California

Summary

Dr. Tun Tun Maung, MD is a hospitalist at 3901 Lone Tree Way, Antioch, CA 94509. Phone: (925) 756-1192. Accepts Medicare assignment. In 2024, Tun Tun Maung had 354 Original Medicare patients and 852 services. NPI 1366600546. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Hospitalist
  • Address: 3901 Lone Tree Way, Antioch, CA 94509 · Directions
  • Phone: (925) 756‑1192
  • Medicare: Accepts Medicare assignment
  • Hospital: Sutter Delta Medical Center
  • Group practice: Sutter Bay Medical Foundation
  • Medical school: graduated 2000 (26 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Tun Tun Maung, 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 Tun Tun Maung accept Medicare assignment?
Yes. Medicare's clinician data says Tun Tun Maung 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.
How many Medicare patients does Tun Tun Maung see?
In 2024, CMS data shows 354 Original Medicare patients and 852 services for Tun Tun Maung. This counts Original Medicare only and measures volume, not quality.
What is Tun Tun Maung's NPI number?
1366600546. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tun Tun Maung, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients354
Services billed to Medicare852
Different services or procedures6
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)454 services
  2. Hospital discharge day management, more than 30 minutes (99239)171 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)124 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)92 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes63%
  • Chronic kidney disease57%
  • Heart failure54%
  • Anxiety49%

Hospitals where Tun Tun Maung works

Medicare's Facility Affiliation Data lists Tun Tun Maung at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Tun Tun Maung is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tun Tun Maung as a member of this group (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Antioch

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

All hospitalists in Antioch →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366600546
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians