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General Surgery

Michael J. Mann, MD

Works at hospitals in San Francisco, CA · California

Summary

Michael J. Mann, MD (General Surgery) is listed by Medicare at 1 hospital in San Francisco, CA. NPI 1659337426. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael J. Mann, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
35Years since medical school (graduated 1991)
Stanford University School Of MedicineMedical school
MaleGender (as listed)
UCSF Dept of SurgeryGroup practice

Quick answers

Which hospitals does Michael J. Mann work at?
Medicare's official clinician data lists Michael J. Mann at 1 hospital: UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael J. Mann see patients?
Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
What is Michael J. Mann's specialty?
Medicare lists General Surgery as the primary specialty, and also Thoracic Surgery.
Does Michael J. Mann accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. Mann 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.
Does Michael J. Mann offer telehealth?
Medicare's clinician data says Michael J. Mann offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Michael J. Mann?
(415) 476-1316, as listed in official Medicare / NPI Registry data.
What is Michael J. Mann's NPI number?
1659337426. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael J. Mann works

Medicare's Facility Affiliation Data lists Michael J. Mann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael J. Mann is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael J. Mann as a member of this group (CMS data updated 2026-10-02).

  • UCSF Dept of Surgery215 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in San Francisco

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

All general surgeons in San Francisco →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1659337426
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians