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Robert Jay Williams, PAC

NPI 1639208697ActiveIndividual· Physician Assistant, Surgical· Houston, TX

Physician Assistant, Surgical (PAC) with David J Macdougall DO PA, practicing in Houston, Texas. Mostly services rather than prescriptions: Medicare paid $14,595 for 64 patients in 2024, with only 48 Part D claims. Lists Baytown Medical Center LP and 1 other hospital as hospital affiliations.

Overview

NPI1639208697
StatusActive
Entity typeIndividual
CredentialPAC
Sole proprietorNo
NPI issuedMar 5, 2007
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant, Surgical Primary363AS0400XPA00919TX

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 - Physician Assistant (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients64
Services billed197 across 10 procedure codes
Paid by Medicare$14,595

Part D prescriptions in 2024

Prescriptions (claims)48 · 48 30-day fills
Patients25
Total drug cost$317.75
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year1993
Medicare specialtyPhysician Assistant

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other surgical physician assistants in Houston

All 490 surgical physician assistants in Houston · All surgical physician assistants in Texas