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Internal Medicine

Yvonne L. Chao, MD

Works at hospitals in Pittsburgh, PA · Pennsylvania

Summary

Dr. Yvonne L. Chao, MD is an internal medicine doctor at 200 Lothrop St, Pittsburgh, PA 15213. Phone: (412) 383-1370. Accepts Medicare assignment. In 2024, Yvonne L. Chao had 14 Original Medicare patients and 28 services. NPI 1710235643. 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: 200 Lothrop St, Pittsburgh, PA 15213 · Directions (3 more locations)
  • Phone: (412) 383‑1370
  • Medicare: Accepts Medicare assignment
  • Hospital: UPMC Presbyterian Shadyside
  • Group practice: University of Pittsburgh Physicians
  • Medical school: University Of Pittsburgh School Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Yvonne L. Chao, 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 Yvonne L. Chao accept Medicare assignment?
Yes. Medicare's clinician data says Yvonne L. Chao 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 Yvonne L. Chao see?
In 2024, CMS data shows 14 Original Medicare patients and 28 services for Yvonne L. Chao. This counts Original Medicare only and measures volume, not quality.
What is Yvonne L. Chao's NPI number?
1710235643. 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 Yvonne L. Chao, 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 patients14
Services billed to Medicare28
Different services or procedures5
Participating Medicare providerYes
Average age of these patients74

Hospitals where Yvonne L. Chao works

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

Group practices

Medicare enrollment lists Yvonne L. Chao as a member of this group (CMS data updated October 2, 2026).

  • University of Pittsburgh Physicians4,236 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Pittsburgh

Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.

All internal medicine doctors in Pittsburgh →

Other clinicians in University of Pittsburgh Physicians

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

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710235643
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