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Althaea Greenstone, M.D.

NPI 1497889034ActiveIndividual· Surgery· San Francisco, CA

Surgery (M.D.) in San Francisco, California, trained at University of California, San Francisco School of Medicine (class of 2002). Part D covered 150 prescriptions written in 2024, 100% of them generic.

Overview

NPI1497889034
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 15, 2007
Last updated in NPPESJan 11, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000XA86390CA

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 - General Surgery (CA)

Part D prescriptions in 2024

Prescriptions (claims)150 · 152 30-day fills
Patients89
Total drug cost$1,432
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Francisco School of Medicine
Graduation year2002
Medicare specialtyGeneral Surgery

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 general surgeons in San Francisco

All 231 general surgeons in San Francisco · All general surgeons in California