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Anesthesiology

Margeaux E. Petersen, MD

Works at hospitals in Houston, TX · Texas

Summary

Margeaux E. Petersen, MD (Anesthesiology) is listed by Medicare at 1 hospital in Houston, TX. NPI 1255919924. 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 Margeaux E. Petersen, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)
UT PhysiciansGroup practice

Quick answers

Which hospitals does Margeaux E. Petersen work at?
Medicare's official clinician data lists Margeaux E. Petersen at 1 hospital: Memorial Hermann - Texas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Margeaux E. Petersen see patients?
Medicare's clinician data lists 4 practice locations, including Houston, TX. Call before your visit to confirm the address.
What is Margeaux E. Petersen's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Margeaux E. Petersen accept Medicare assignment?
Yes. Medicare's clinician data says Margeaux E. Petersen 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.
What is the phone number for Margeaux E. Petersen?
(713) 500-3267, as listed in official Medicare / NPI Registry data.
What is Margeaux E. Petersen's NPI number?
1255919924. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Margeaux E. Petersen works

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

  • 6410 Fannin StHouston, TX 77030
  • 6411 Fannin StHouston, TX 77030
  • 6411 Fannin St, Suite 400Houston, TX 77030 (713) 500‑3267
  • 6431 Fannin St, Msb2.100Houston, TX 77030 (713) 500‑7700

Group practices

Medicare enrollment lists Margeaux E. Petersen as a member of this group (CMS data updated 2026-10-02).

  • UT Physicians1,765 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Houston

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

All anesthesiologists in Houston →

Clinician information

CredentialMD
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255919924
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