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Andrea A. Ngo, MD

NPI 1699863464ActiveIndividual· Hospitalist· Fairfield, CA

Hospitalist (MD) in Fairfield, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1996). In 2024 Medicare paid $72,145 for 344 patients, and Part D covered 190 of their prescriptions, 88% of them generic.

Overview

NPI1699863464
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 10, 2006
Last updated in NPPESNov 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000XA64486CA
Internal Medicine207R00000XA64486CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients344
Services billed892 across 9 procedure codes
Paid by Medicare$72,145

Part D prescriptions in 2024

Prescriptions (claims)190 · 201 30-day fills
Patients82
Total drug cost$8,873
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolAlbert Einstein College of Medicine of Yeshiva University
Graduation year1996
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other hospitalists in Fairfield

All hospitalists in California