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Internal Medicine

Howard R. Marcus, MD

Sees patients in Austin, TX · Hutto, TX · Bee Cave, TX … · Texas

Summary

Howard R. Marcus, MD (Internal Medicine) is enrolled with Medicare at 9 practice locations in Austin, TX, Hutto, TX and Bee Cave, TX and other places. NPI 1255347514. 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 Howard R. Marcus, 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
YesOffers telehealth
55Years since medical school (graduated 1971)
Tufts University School Of MedicineMedical school
MaleGender (as listed)
Austin Regional Clinic PAGroup practice

Quick answers

Where does Howard R. Marcus see patients?
Medicare's clinician data lists 9 practice locations, including Austin, TX, Hutto, TX and Bee Cave, TX. Call before your visit to confirm the address.
What is Howard R. Marcus's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Howard R. Marcus accept Medicare assignment?
Yes. Medicare's clinician data says Howard R. Marcus 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.
Does Howard R. Marcus offer telehealth?
Medicare's clinician data says Howard R. Marcus offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Howard R. Marcus?
(512) 250-5571, as listed in official Medicare / NPI Registry data.
What is Howard R. Marcus's NPI number?
1255347514. 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 Howard R. Marcus is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Howard R. Marcus as a member of this group (CMS data updated 2026-10-02).

  • Austin Regional Clinic PA397 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 schoolTufts University School Of Medicine
Graduation year1971
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255347514
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