Skip to content

Alexandra Esther Grieb, M.D.

NPI 1003349853ActiveIndividual· Hospitalist· Austin, TX

Hospitalist (M.D.) in Austin, Texas, trained at Warren Alpert Medical School of Brown University (class of 2013). In 2024 Medicare paid $40,743 for 231 patients, and Part D covered 184 of their prescriptions, 85% of them generic. Pfizer Inc. reported $31.47 in payments in 2025, mostly food and beverage.

Overview

NPI1003349853
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 8, 2017
Last updated in NPPESDec 3, 2025
Certified by providerDec 3, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000XT2613TX

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients231
Services billed499 across 9 procedure codes
Paid by Medicare$40,743

Part D prescriptions in 2024

Prescriptions (claims)184 · 226 30-day fills
Patients98
Total drug cost$13,436
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWarren Alpert Medical School of Brown University
Graduation year2013
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$31.47 · 1 payment from 1 company
  • 2024$70.80 · 3 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Pfizer Inc.$31.471

What the 2025 payments were for

  • Food and Beverage$31.47 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Hospitalist providers in Austin

All Hospitalist providers in Texas →