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

Dr. Gregory Mark Wittenburg, MD

Individual provider Family Medicine Physician · NPI 1689234916

Dr. Gregory Mark Wittenburg, MD is an Emergency Medicine in Austin, Texas. Graduated from Creighton University School of Medicine in 2019, 7 years ago. Practices with Vep Hutchinson Emergency Medical Group LLC, a 19-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
7
Trained at
Creighton University School of Medicine
Licensed in
TX
In the registry since
2019
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

2806 Real St
Austin, TX 78722-1715
Phone: (512) 978-8130
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence W5205 (TX)

Record details

NPI number1689234916
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 18, 2019
Last updated in NPPESJuly 14, 2026
Certification dateJuly 14, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Vep Hutchinson Emergency Medical Group Llc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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