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

Dr. Alexandra Esther Grieb, MD

Individual provider Hospitalist Physician · NPI 1003349853

Dr. Alexandra Esther Grieb, MD is an Internal Medicine in Austin, Texas. Graduated from Warren Alpert Medical School of Brown University in 2013, 13 years ago. Practices with Ipc Healthcare Services of Texas PLLC, a 183-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
13
Trained at
Warren Alpert Medical School of Brown University
Licensed in
TX
In the registry since
2017
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

919 E 32nd St
Austin, TX 78705-2703
Phone: (512) 544-7111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence T2613 (TX)

Record details

NPI number1003349853
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 8, 2017
Last updated in NPPESDecember 3, 2025
Certification dateDecember 3, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 2013 (13 years in practice)
Group practice Ipc Healthcare Services Of Texas Pllc — 183 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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