John Gregory Buck, MD
NPI 1154608552ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Irving, TX
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Irving, Texas, trained at Wayne State University School of Medicine (class of 1991). Medicare paid $18,639 for services to 221 patients in 2024.
Overview
| NPI | 1154608552 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 14, 2011 |
| Last updated in NPPES | Jan 26, 2021 |
| Certified by provider | Jan 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | K4003 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 221 |
|---|---|
| Services billed | 709 across 24 procedure codes |
| Paid by Medicare | $18,639 |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Pathology |
Medical groups
- Gulf Coast Pathology Program PLLCHouston, TX · 36 clinicians
- Ntx Pathology Program, PLLCDenton, TX · 21 clinicians
Hospital affiliations
- HCA Houston Healthcare KingwoodKingwood, TX
- Medical City ArlingtonArlington, TX
- Medical City LewisvilleLewisville, TX
- Medical City North HillsNorth Richland Hills, TX
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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