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Fang Tan, MD

NPI 1811997646ActiveIndividual· Ophthalmology· Fremont, CA

Ophthalmology (MD) in Fremont, California, licensed in CA, with an NPI issued in July 2005. In 2024 Medicare paid $163,403 for 812 patients, and Part D covered 1,307 of their prescriptions, 60% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2024, $73.11 in all, mostly food and beverage.

Overview

NPI1811997646
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 22, 2005
Last updated in NPPESJan 7, 2008
ReactivatedMar 29, 2006

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000XA81026CA

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 - Ophthalmology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients812
Services billed2,297 across 22 procedure codes
Paid by Medicare$163,403

Part D prescriptions in 2024

Prescriptions (claims)1,307 · 2,553 30-day fills
Patients335
Total drug cost$244,235
Generic share60% of claims

Medicare sources and data years

Education and affiliations

Graduation year1982
Medicare specialtyOphthalmology

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$73.11 · 3 payments from 3 companies

Top paying companies in 2024

CompanyAmountPayments
Abbvie Inc.$32.291
Bausch & Lomb Americas Inc.$21.191
Alcon Vision LLC$19.631

What the 2024 payments were for

  • Food and Beverage$73.11 · 3 payments

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

Other ophthalmologists in Fremont

All 29 ophthalmologists in Fremont · All ophthalmologists in California