NPI Lens

Maria Ghee-Ming Tan, MD

NPI 1689666158ActiveIndividual· General Practice· Missouri City, TX

General Practice (MD) in Missouri City, Texas, licensed in TX, with an NPI issued in August 2005. Their prescriptions cost Medicare Part D more than their services did: $47,680 for 322 claims, against $4,019 paid for services in 2024. Novo Nordisk Inc reported $121.86 in payments in 2025, mostly food and beverage.

Overview

NPI1689666158
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedAug 19, 2005
Last updated in NPPESMar 31, 2010

Specialties and licenses

TaxonomyCodeLicenseState
General Practice Primary208D00000XF3356TX
Family Medicine207Q00000XF3356TX

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 - Family Practice (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients25
Services billed124 across 10 procedure codes
Paid by Medicare$4,019

Part D prescriptions in 2024

Prescriptions (claims)322 · 801 30-day fills
Patients37
Total drug cost$47,680
Generic share77% of claims

Medicare sources and data years

Education and affiliations

Graduation year1973
Medicare specialtyFamily Practice

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$121.86 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Novo Nordisk Inc$121.861

What the 2025 payments were for

  • Food and Beverage$121.86 · 1 payment

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

Other general practitioners in Missouri City

All general practitioners in Texas