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Lee A. Tan, M.D.

NPI 1295056802ActiveIndividual· Neurological Surgery· San Francisco, CA

Neurological Surgery (M.D.) in San Francisco, California, trained at Indiana University School of Medicine (class of 2010). Medicare paid $565,696 for services to 314 patients in 2024, and Part D covered 103 of their prescriptions (99% generic). Medtronic, Inc. was the largest of 10 companies reporting payments in 2025, $151,784 in all, mostly consulting fee.

Overview

NPI1295056802
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 17, 2010
Last updated in NPPESJul 21, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Neurological Surgery Primary207T00000XA149102CA
Neurological Surgery207T00000X125-057747IL
Neurological Surgery207T00000X283115NY

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Neurosurgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients314
Services billed1,287 across 80 procedure codes
Paid by Medicare$565,696

Part D prescriptions in 2024

Prescriptions (claims)103 · 111 30-day fills
Patients46
Total drug cost$1,668
Generic share99% of claims

Medicare sources and data years

Education and affiliations

Medical schoolIndiana University School of Medicine
Graduation year2010
Medicare specialtyNeurosurgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$151,784 · 116 payments from 10 companies
  • 2024$58,513 · 117 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$51,200 · 18 payments
  • Royalty or License$50,000 · 1 payment
  • Travel and Lodging$25,671 · 48 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$21,200 · 2 payments
  • Food and Beverage$3,712 · 47 payments

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

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