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William Cannon Lewis, M.D.

NPI 1437237369ActiveIndividual· Colon & Rectal Surgery· San Antonio, TX

Colon & Rectal Surgery (M.D.) in San Antonio, Texas, trained at Baylor College of Medicine (class of 1994). In 2024 Medicare paid $115,985 for 237 patients, and Part D covered 318 of their prescriptions, 70% of them generic. Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $235.87 in all, mostly food and beverage.

Overview

NPI1437237369
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 1, 2006
Last updated in NPPESJul 21, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Colon & Rectal Surgery Primary208C00000XK8936TX
Surgery208600000XK8936TX

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 - Colorectal Surgery (Proctology) (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients237
Services billed436 across 86 procedure codes
Paid by Medicare$115,985

Part D prescriptions in 2024

Prescriptions (claims)318 · 327 30-day fills
Patients170
Total drug cost$21,610
Generic share70% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBaylor College of Medicine
Graduation year1994
Medicare specialtyColorectal Surgery (Proctology)

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$235.87 · 6 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$235.87 · 6 payments

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

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