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Doctors / TX

JOHN A WALKER JR., MD

DIAGNOSTIC RADIOLOGY

Medical school: UNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO

Graduated: 2007

NPI: 1477780344

Practice Locations (5)

UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO

4502 MEDICAL DR

SAN ANTONIO, TX 782294402

2103584000

UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO

7703 FLOYD CURL DR

SAN ANTONIO, TX 782293901

2104509000

UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO

8311 EWING HALSELL DR

SAN ANTONIO, TX 782293741

2104507044

UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO

8431 FREDERICKSBURG RD

SAN ANTONIO, TX 782293392

UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO

903 W MARTIN ST

SAN ANTONIO, TX 782070903

2103583400

Source: CMS National Downloadable File, September 2026.

JOHN WALKER, MD | HealthCareAtlasUSA