Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Triveni B. Defries, MD

Works at hospitals in San Francisco, CA · California

Summary

Triveni B. Defries, MD (Internal Medicine) is listed by Medicare at 1 hospital in San Francisco, CA. NPI 1275970972. 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 Triveni B. Defries, 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
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
University Of California, San Francisco School Of MedicineMedical school
FemaleGender (as listed)
Regents of the University of CaliforniaGroup practice (+1 more)

Quick answers

Which hospitals does Triveni B. Defries work at?
Medicare's official clinician data lists Triveni B. Defries at 1 hospital: Zuckerberg San Francisco General Hospital & Trauma Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Triveni B. Defries see patients?
Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
What is Triveni B. Defries's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Triveni B. Defries accept Medicare assignment?
Yes. Medicare's clinician data says Triveni B. Defries 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 Triveni B. Defries offer telehealth?
Medicare's clinician data says Triveni B. Defries offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Triveni B. Defries?
(415) 476-4029, as listed in official Medicare / NPI Registry data.
What is Triveni B. Defries's NPI number?
1275970972. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Triveni B. Defries works

Medicare's Facility Affiliation Data lists Triveni B. Defries 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 Triveni B. Defries is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Triveni B. Defries as a member of these groups (CMS data updated 2026-10-02).

  • Regents of the University of California732 clinicians in the group
  • University of California SFGH Medical Group587 clinicians in the group

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 year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275970972
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