NPI Lens

Mark Dy-Liacco, MD

NPI 1366488850ActiveIndividual· Surgery· Pleasanton, CA

Surgery (MD) in Pleasanton, California, trained at Medical College of Wisconsin (class of 1992). Enrolled in Medicare as practitioner - general surgery and practitioner - general surgery. Intuitive Surgical, Inc. reported $4,229 in payments in 2025, mostly education.

Overview

NPI1366488850
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 21, 2006
Last updated in NPPESJan 14, 2025
Certified by providerJan 14, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000XG192769CA
Surgery, Surgical Critical Care2086S0102XG192769CA

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 - General Surgery (CA); Practitioner - General Surgery (ID); Practitioner - Critical Care (Intensivists) (IL); Practitioner - General Surgery (NC); Practitioner - General Surgery (NY)

Medicare sources and data years

Education and affiliations

Medical schoolMedical College of Wisconsin
Graduation year1992
Medicare specialtyGeneral Surgery

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$4,229 · 16 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Intuitive Surgical, Inc.$4,22916

What the 2025 payments were for

  • Education$2,500 · 1 payment
  • Travel and Lodging$1,351 · 7 payments
  • Food and Beverage$377.30 · 8 payments

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

Other Surgery providers in Pleasanton

All Surgery providers in California →