NPI Lens

Weidan Dana Zhao, MD

NPI 1881124287ActiveIndividual· Internal Medicine, Gastroenterology· New York, NY

Internal Medicine, Gastroenterology (MD) in New York, New York, licensed in NY and IA, with an NPI issued in June 2017. Enrolled in Medicare as practitioner - gastroenterology. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 17 companies reporting payments in 2025, $3,959 in all, mostly food and beverage.

Overview

NPI1881124287
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 18, 2017
Last updated in NPPESAug 21, 2024
Certified by providerAug 21, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X322662NY
Internal Medicine207R00000XR-10995IA
Student in an Organized Health Care Education/Training Program390200000X——

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 - Gastroenterology (NY)

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$3,959 · 152 payments from 17 companies
  • 2024$3,529 · 139 payments from 16 companies

Top paying companies in 2025

CompanyAmountPayments
Salix Pharmaceuticals, A Division of Bausch Health US, LLC$1,02446
Abbvie Inc.$988.3338
Qol Medical, LLC$678.4215
Ardelyx, Inc.$296.0917
Regeneron Healthcare Solutions, Inc.$207.814

What the 2025 payments were for

  • Food and Beverage$3,959 · 152 payments

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

Other gastroenterologists in New York

All 640 gastroenterologists in New York · All gastroenterologists in New York