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Anesthesiology

Michelle D. Nguyen, MD

Works at hospitals in Pleasanton, CA · San Francisco, CA · California

Summary

Dr. Michelle D. Nguyen, MD is an anesthesiologist at 1600 Divisadero St, San Francisco, CA 94115. Phone: (415) 476-1000. Accepts Medicare assignment. In 2024, Michelle D. Nguyen had 223 Original Medicare patients and 288 services. NPI 1043410681. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Michelle D. Nguyen, 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 Michelle D. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Michelle D. Nguyen 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 Michelle D. Nguyen see?
In 2024, CMS data shows 223 Original Medicare patients and 288 services for Michelle D. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Michelle D. Nguyen's NPI number?
1043410681. 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 Michelle D. Nguyen, 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 patients223
Services billed to Medicare288
Different services or procedures59
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for lens surgery (00142)37 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)21 services
  3. Anesthesia for other procedure on lower abdomen (00840)14 services
  4. Anesthesia for total hip replacement (01214)14 services
  5. Anesthesia for procedure for total knee joint replacement (01402)14 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%
  • Arthritis57%
  • Ischemic heart disease35%
  • Chronic kidney disease33%
  • Diabetes29%

Hospitals where Michelle D. Nguyen works

Medicare's Facility Affiliation Data lists Michelle D. Nguyen 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 Michelle D. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michelle D. Nguyen as a member of these groups (CMS data updated October 2, 2026).

  • University Anesthesia Medical Group408 clinicians in the group
  • Premier Anesthesia of California PC46 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Francisco

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

All anesthesiologists in San Francisco →

Other clinicians in University Anesthesia Medical Group

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043410681
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