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Mandakini Hersh Patel, M.D.

NPI 1457739161ActiveIndividual· Internal Medicine· Walnut Creek, CA

Internal Medicine (M.D.) with John Muir Physician Network and 4 other groups, practicing in Walnut Creek, California. In 2024 Medicare paid $62,849 for 419 patients, and Part D covered 732 of their prescriptions, 84% of them generic. Lists Eden Medical Center and 2 other hospitals as hospital affiliations.

Overview

NPI1457739161
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMay 13, 2015
Last updated in NPPESOct 4, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA158658CA

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)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients419
Services billed663 across 15 procedure codes
Paid by Medicare$62,849

Part D prescriptions in 2024

Prescriptions (claims)732 · 752 30-day fills
Patients119
Total drug cost$44,501
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyInternal Medicine

Medical groups

Hospital affiliations

Other facilities

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 Walnut Creek

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