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David Joseph Derose, MD

NPI 1700118700ActiveIndividual· Internal Medicine· Weimar, CA

Internal Medicine (MD) in Weimar, California, trained at Loma Linda University School of Medicine (class of 1984). Part D covered 1,911 prescriptions written in 2024, 89% of them generic.

Overview

NPI1700118700
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 2, 2010
Last updated in NPPESFeb 2, 2010

Specialties and licenses

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)

Part D prescriptions in 2024

Prescriptions (claims)1,911 · 2,291 30-day fills
Patients97
Total drug cost$102,405
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLoma Linda University School of Medicine
Graduation year1984
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 physicians in Weimar

All internal medicine physicians in California