Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Howard R Marcus, MD

Individual provider Internal Medicine Physician · NPI 1255347514

Howard R Marcus, MD is an Internal Medicine in Austin, Texas. Graduated from Tufts University School of Medicine in 1971, 55 years ago. Practices with Austin Regional Clinic PA, a 397-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
55
Trained at
Tufts University School of Medicine
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6835 Austin Center Blvd
Austin, TX 78731-3166
Phone: (512) 346-6611
Fax: (512) 465-1613
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G1709 (TX)

Record details

NPI number1255347514
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESApril 27, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1971 (55 years in practice)
Group practice Austin Regional Clinic Pa — 397 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations10 on file with Medicare

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