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Zachary Hamilton, MD

NPI 1598185845ActiveIndividual· Obstetrics & Gynecology· Cedar Park, TX

Obstetrics & Gynecology (MD) with Christus Trinity Clinic Texas, practicing in Cedar Park, Texas. In 2024 Medicare paid $6,725 for 40 patients, and Part D covered 104 of their prescriptions, 88% of them generic. Lists Christus Santa Rosa Hospital-San Marcos as a hospital affiliation.

Overview

NPI1598185845
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 24, 2014
Last updated in NPPESJun 18, 2021
Certified by providerJun 18, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Obstetrics & Gynecology Primary207V00000XR3335TX

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 - Obstetrics/Gynecology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients40
Services billed78 across 16 procedure codes
Paid by Medicare$6,725

Part D prescriptions in 2024

Prescriptions (claims)104 · 160 30-day fills
Patients37
Total drug cost$4,093
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Graduation year2014
Medicare specialtyObstetrics/Gynecology

Medical group

Hospital affiliation

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

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