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Internal Medicine

Michael A. Volz, MD

Sees patients in Austin, TX · Texas

Summary

Michael A. Volz, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Austin, TX. NPI 1841225430. 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 Michael A. Volz, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Texas Childrens Physician GroupGroup practice

Quick answers

Where does Michael A. Volz see patients?
Medicare's clinician data lists 1 practice location in Austin, TX. Call before your visit to confirm the address.
What is Michael A. Volz's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Allergy/Immunology.
Does Michael A. Volz accept Medicare assignment?
Yes. Medicare's clinician data says Michael A. Volz 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 Michael A. Volz?
(832) 824-1000, as listed in official Medicare / NPI Registry data.
What is Michael A. Volz's NPI number?
1841225430. 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 Michael A. Volz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael A. Volz as a member of this group (CMS data updated 2026-10-02).

  • Texas Childrens Physician Group671 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Austin

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

All internal medicine doctors in Austin →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841225430
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