Skip to content

William Zachary Smith, M.D.

NPI 1609281138ActiveIndividual· Pain Medicine, Interventional Pain Medicine· San Antonio, TX

Pain Medicine, Interventional Pain Medicine (M.D.) in San Antonio, Texas, licensed in TX, with an NPI issued in June 2014. 212 Medicare patients in 2024, $350,986 paid; nearly all of their 182 Part D prescriptions were generic (98%). Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $685.28 in all, mostly food and beverage. Lists Methodist Hospital Stone Oak as a hospital affiliation.

Overview

NPI1609281138
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 23, 2014
Last updated in NPPESDec 6, 2022
Certified by providerDec 6, 2022

Specialties and licenses

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 - Interventional Pain Management (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients212
Services billed12,359 across 39 procedure codes
Paid by Medicare$350,986

Part D prescriptions in 2024

Prescriptions (claims)182 · 204 30-day fills
Patients59
Total drug cost$3,194
Generic share98% of claims

Medicare sources and data years

Education and affiliations

Graduation year2014
Medicare specialtyInterventional Pain Management

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$685.28 · 16 payments from 3 companies
  • 2024$923.03 · 25 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$302.2510
Boston Scientific Corporation$288.753
Si-Bone, Inc.$94.283

What the 2025 payments were for

  • Food and Beverage$685.28 · 16 payments

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

Other interventional pain physicians in San Antonio

All 72 interventional pain physicians in San Antonio · All interventional pain physicians in Texas