HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / TX

SHANNON ANJELICA MARKUS, MD

EMERGENCY MEDICINE

Medical school: PERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA

Graduated: 2017

NPI: 1174057889

Practice Locations (3)

LONGHORN EMERGENCY MEDICAL ASSOCIATES PA

919 E 32ND ST, ST DAVID'S MED CTR

AUSTIN, TX 787052703

8309974353

EMERGENCY MEDICINE SERVICES OF TX, PLLC

3154 SE MILITARY DR, SUITE 103 METHODIST ER CITY BASE

SAN ANTONIO, TX 782233975

2107571200

TRAVIS COUNTY EMERGENCY PHYSICIANS PA

3759 FM 1488 RD, SUITE 500

THE WOODLANDS, TX 773844178

9362704750

Source: CMS National Downloadable File, September 2026.

SHANNON MARKUS, MD | HealthCareAtlasUSA