Samuel Peter Mackoff, MD
NPI 1811577596ActiveIndividual· General Practice· Houston, TX
General Practice (MD) in Houston, Texas, licensed in TX, with an NPI issued in April 2021. Medicare paid $8,805 for services to 24 patients in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $63.90 in all, mostly food and beverage.
Overview
| NPI | 1811577596 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 8, 2021 |
| Last updated in NPPES | Sep 19, 2024 |
| Certified by provider | Sep 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | V2151 | TX |
| Internal Medicine | 207R00000X | V2151 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 97 across 8 procedure codes |
| Paid by Medicare | $8,805 |
Industry payments (Open Payments)
- 2025$63.90 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $32.88 | 2 |
| Merck Sharp & Dohme LLC | $31.02 | 1 |
What the 2025 payments were for
- Food and Beverage$63.90 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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