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Gilbert Owen Andersen, M.D.

NPI 1821091836ActiveIndividual· Internal Medicine· Lompoc, CA

Internal Medicine (M.D.) in Lompoc, California, trained at University of California, Irvine, California College of Medicine (class of 1974). Part D covered 1,476 prescriptions written in 2024, 83% of them generic.

Overview

NPI1821091836
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMay 23, 2005
Last updated in NPPESNov 29, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA29916CA

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (CA)

Part D prescriptions in 2024

Prescriptions (claims)1,476 · 1,523 30-day fills
Patients58
Total drug cost$223,075
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, Irvine, California College of Medicine
Graduation year1974
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 Internal Medicine providers in Lompoc

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