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Robert Logan Faust, M.D.

NPI 1891766861ActiveIndividual· Internal Medicine, Gastroenterology· Santa Rosa, CA

Internal Medicine, Gastroenterology (M.D.) in Santa Rosa, California, licensed in CA, with an NPI issued in January 2006. Their prescriptions cost Medicare Part D more than their services did: $616,186 for 833 claims, against $154,057 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $51.24 in all, mostly food and beverage.

Overview

NPI1891766861
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 30, 2006
Last updated in NPPESMar 7, 2023
Certified by providerDec 3, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XA46484CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Gastroenterology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients665
Services billed1,364 across 60 procedure codes
Paid by Medicare$154,057

Part D prescriptions in 2024

Prescriptions (claims)833 · 1,467 30-day fills
Patients395
Total drug cost$616,186
Generic share80% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$51.24 · 2 payments from 2 companies
  • 2024$131.13 · 5 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$29.211
Janssen Biotech, Inc.$22.031

What the 2025 payments were for

  • Food and Beverage$51.24 · 2 payments

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

Other gastroenterologists in Santa Rosa

All 22 gastroenterologists in Santa Rosa · All gastroenterologists in California