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Internal Medicine

Hannah R. Tierney, MD

Sees patients in San Francisco, CA · Los Angeles, CA · California

Summary

Hannah R. Tierney, MD (Internal Medicine) is enrolled with Medicare at 3 practice locations in San Francisco, CA and Los Angeles, CA. NPI 1508569682. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Hannah R. Tierney, 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

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
3Years since medical school (graduated 2023)
University Of California, San Francisco School Of MedicineMedical school
FemaleGender (as listed)

Quick answers

Where does Hannah R. Tierney see patients?
Medicare's clinician data lists 3 practice locations, including San Francisco, CA and Los Angeles, CA. Call before your visit to confirm the address.
What is Hannah R. Tierney's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Hannah R. Tierney accept Medicare assignment?
Medicare's clinician data says Hannah R. Tierney may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Hannah R. Tierney's NPI number?
1508569682. 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 Hannah R. Tierney is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

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

All internal medicine doctors in San Francisco →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2023
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1508569682
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 2026-10-02, retrieved 2026-10-29
  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