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Jacob Aaron, MD

NPI 1407202518ActiveIndividual· Internal Medicine· San Francisco, CA

Internal Medicine (MD) with Mass General Brigham Medical Group Northern Massachusetts Inc, practicing in San Francisco, California. In 2024 Medicare paid $24,800 for 200 patients, and Part D covered 85 of their prescriptions, 88% of them generic. Lists North Shore Medical Center - as a hospital affiliation.

Overview

NPI1407202518
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 6, 2016
Last updated in NPPESMar 6, 2023
Certified by providerMar 6, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X1013897MA
Internal Medicine207R00000XA168040CA
Internal Medicine207R00000X35.136980OH
Hospitalist208M00000X1013897MA

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 (MA); Practitioner - Internal Medicine (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients200
Services billed278 across 8 procedure codes
Paid by Medicare$24,800

Part D prescriptions in 2024

Prescriptions (claims)85 · 93 30-day fills
Patients44
Total drug cost$7,751
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year2016
Medicare specialtyInternal Medicine
Secondary specialtiesHospitalist

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

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