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Internal Medicine

Tara Vartanian, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Tara Vartanian, MD is an internal medicine doctor at 4725 -4733 Sunset Blvd, Los Angeles, CA 90027. Phone: (323) 783-4011. Accepts Medicare assignment. In 2024, Tara Vartanian had 15 Original Medicare patients and 24 services. NPI 1104321728. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 4725 -4733 Sunset Blvd, Los Angeles, CA 90027 · Directions (2 more locations)
  • Phone: (323) 783‑4011
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Los Angeles
  • Group practice: Southern California Permanente Medical Group
  • Medical school: graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Tara Vartanian, 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 Tara Vartanian accept Medicare assignment?
Yes. Medicare's clinician data says Tara Vartanian 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 Tara Vartanian see?
In 2024, CMS data shows 15 Original Medicare patients and 24 services for Tara Vartanian. This counts Original Medicare only and measures volume, not quality.
What is Tara Vartanian's NPI number?
1104321728. 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 Tara Vartanian, 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 patients15
Services billed to Medicare24
Different services or procedures7
Participating Medicare providerYes
Average age of these patients72

Hospitals where Tara Vartanian works

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

Group practices

Medicare enrollment lists Tara Vartanian as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

All internal medicine doctors in Los Angeles →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104321728
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