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Obstetrics/Gynecology

Mari Paule Thiet, MD

Sees patients in San Francisco, CA · California

Summary

Dr. Mari Paule Thiet, MD is an OB-GYN at 400 Parnassus Ave, San Francisco, CA 94143. Phone: (415) 476-1000. Accepts Medicare assignment. NPI 1790836211. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 400 Parnassus Ave, San Francisco, CA 94143 · Directions
  • Phone: (415) 476‑1000
  • Medicare: Accepts Medicare assignment
  • Group practice: UCSF Medical Group Business Services
  • Medical school: University Of Texas Southwestern Medical School At Dallas · graduated 1985 (41 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mari Paule Thiet, 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 Mari Paule Thiet accept Medicare assignment?
Yes. Medicare's clinician data says Mari Paule Thiet 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 Mari Paule Thiet's NPI number?
1790836211. 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 Mari Paule Thiet is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mari Paule Thiet as a member of this group (CMS data updated October 2, 2026).

  • UCSF Medical Group Business Services1,598 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in San Francisco

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

All OB-GYNs in San Francisco →

Other clinicians in UCSF Medical Group Business Services

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year1985 (41 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790836211
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