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

Cardiovascular Disease (Cardiology)

William Wu, MD

Works at hospitals in San Antonio, TX · Laredo, TX · Uvalde, TX … · Texas

Summary

William Wu, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in San Antonio, TX, Laredo, TX and Uvalde, TX and other places. NPI 1346246626. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William Wu, 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

Cardiovascular Disease (Cardiology)Primary specialty
May acceptAccepts Medicare assignment
44Years since medical school (graduated 1982)
MaleGender (as listed)

Quick answers

Which hospitals does William Wu work at?
Medicare's official clinician data lists William Wu at 5 hospitals: Baptist Medical Center, Doctors Hospital of Laredo, Methodist Hospital, Uvalde Memorial Hospital and Val Verde Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William Wu see patients?
Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
What is William Wu's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Interventional Cardiology.
Does William Wu accept Medicare assignment?
Medicare's clinician data says William Wu may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is William Wu's NPI number?
1346246626. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William Wu works

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

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All cardiologists in San Antonio →

Clinician information

CredentialMD
Graduation year1982
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1346246626
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