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Manuel Montemayor, MD

NPI 1609918978ActiveIndividual· General Practice· San Marcos, CA

General Practice (MD) in San Marcos, California, licensed in CA, with an NPI issued in February 2007. Part D covered 19 prescriptions written in 2024, 95% of them generic.

Overview

NPI1609918978
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 13, 2007
Last updated in NPPESJan 23, 2015

Specialties and licenses

TaxonomyCodeLicenseState
General Practice Primary208D00000XA51037CA

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)Not in the public enrollment file of Oct 1, 2026

Part D prescriptions in 2024

Prescriptions (claims)19 · 19 30-day fills
Total drug cost$144.15
Generic share95% of claims

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other general practitioners in San Marcos

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