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Hospitalist

Matthew D. Mrazek, MD

Sees patients in Houston, TX · Texas

Summary

Matthew D. Mrazek, MD (Hospitalist) is enrolled with Medicare at 8 practice locations in Houston, TX. NPI 1689969974. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew D. Mrazek, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
Mayo Medical SchoolMedical school
MaleGender (as listed)
Memorial Hermann Medical GroupGroup practice

Quick answers

Where does Matthew D. Mrazek see patients?
Medicare's clinician data lists 8 practice locations, including Houston, TX. Call before your visit to confirm the address.
What is Matthew D. Mrazek's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine and Pediatric Medicine.
Does Matthew D. Mrazek accept Medicare assignment?
Yes. Medicare's clinician data says Matthew D. Mrazek 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 Matthew D. Mrazek?
(281) 929-6291, as listed in official Medicare / NPI Registry data.
What is Matthew D. Mrazek's NPI number?
1689969974. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Matthew D. Mrazek is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Matthew D. Mrazek as a member of this group (CMS data updated 2026-10-02).

  • Memorial Hermann Medical Group762 clinicians in the group

Specialties

Find other Hospitalist doctors in Texas →

Other hospitalists in Houston

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

All hospitalists in Houston →

Clinician information

CredentialMD
Medical schoolMayo Medical School
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689969974
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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