Mary Elizabeth M. Tessier, MD

Practice locations

Addresses where Mary Elizabeth M. Tessier is enrolled with Medicare (CMS data updated October 2, 2026).

• 6651 Main StHouston, TX 77030 (832) 826‑3000
• 9835 N Lake Creek PkwyAustin, TX 78717 (727) 229‑3333

Group practices

Medicare enrollment lists Mary Elizabeth M. Tessier as a member of this group (CMS data updated October 2, 2026).

• Texas Childrens Physician Group671 clinicians in the group

Specialties

• Pediatric Medicineprimary
• Gastroenterologyalso

Find other Pediatric Medicine doctors in Texas →

Other pediatricians in Houston

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

• Eytan S. Baskin, MD
• Shagun Sachdeva, MD
• Guliz Erdem, MD
• Mark Zobeck, MD
• Raysa C. Morales Demori, MD
• Kyle D. Hope
• Danny V. Gil, MD
• Nicole Jones, MD

All pediatricians in Houston →

Other clinicians in Texas Childrens Physician Group

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

• Amir A. Shamshirsaz, MD
• Shagun Sachdeva, MD
• Maria L. Pento, PA
• Rajan P. Patel, MD
• Alisa A. Acosta, MD
• Ekta B. Salhotra, MD

Clinician information

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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians