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Michael S. Tam, M.D.

NPI 1720306772ActiveIndividual· Surgery· Los Angeles, CA

Surgery (M.D.) with Southern California Permanente Medical Group, practicing in Los Angeles, California. Part D covered 85 prescriptions written in 2024, 98% of them generic. Medtronic, Inc. reported $120.23 in payments in 2025, mostly food and beverage. Lists Kaiser Foundation Hospital, Riverside as a hospital affiliation.

Overview

NPI1720306772
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMay 13, 2010
Last updated in NPPESDec 1, 2021
Certified by providerDec 1, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000XA109153CA

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 - Colorectal Surgery (Proctology) (CA)

Part D prescriptions in 2024

Prescriptions (claims)85 · 86 30-day fills
Patients33
Total drug cost$2,093
Generic share98% of claims

Medicare sources and data years

Education and affiliations

Graduation year2008
Medicare specialtyColorectal Surgery (Proctology)
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$120.23 · 1 payment from 1 company
  • 2024$380.06 · 11 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$120.231

What the 2025 payments were for

  • Food and Beverage$120.23 · 1 payment

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

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