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Internal Medicine

John Wang, MD

Works at hospitals in Austin, TX · Round Rock, TX · Texas

Summary

John Wang, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Austin, TX and Round Rock, TX. NPI 1659639607. 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 John Wang, 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
14Years since medical school (graduated 2012)
Tulane University School Of MedicineMedical school
MaleGender (as listed)
Legacy Healthcare Services IncGroup practice (+1 more)

Quick answers

Which hospitals does John Wang work at?
Medicare's official clinician data lists John Wang at 4 hospitals: North Austin Medical Center, Round Rock Medical Center, St David's Medical Center and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Wang see patients?
Medicare's clinician data lists 3 practice locations, including Austin, TX and Cedar Park, TX. Call before your visit to confirm the address.
What is John Wang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does John Wang accept Medicare assignment?
Yes. Medicare's clinician data says John Wang 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 John Wang offer telehealth?
Medicare's clinician data says John Wang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John Wang?
(512) 901-2530, as listed in official Medicare / NPI Registry data.
What is John Wang's NPI number?
1659639607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Wang works

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

Group practices

Medicare enrollment lists John Wang as a member of these groups (CMS data updated 2026-10-02).

  • Legacy Healthcare Services Inc3,223 clinicians in the group
  • The Austin Diagnostic Clinic PLLC86 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Austin

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

All internal medicine doctors in Austin →

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1659639607
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