Esteban Dario Gnass, MD
NPI 1427469352ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Cypress, TX
Pathology, Anatomic Pathology & Clinical Pathology (MD) with Gulf Coast Pathology Program PLLC, practicing in Cypress, Texas. Medicare paid $38,948 for services to 420 patients in 2024. Merck Sharp & Dohme LLC reported $19.61 in payments in 2025, mostly food and beverage. Lists HCA Houston Healthcare Conroe and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1427469352 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 13, 2014 |
| Last updated in NPPES | Apr 15, 2024 |
| Certified by provider | Apr 15, 2024 |
Specialties and licenses
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 - Pathology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 420 |
|---|---|
| Services billed | 1,388 across 25 procedure codes |
| Paid by Medicare | $38,948 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- Gulf Coast Pathology Program PLLCHouston, TX · 36 clinicians
Hospital affiliations
- HCA Houston Healthcare ConroeConroe, TX
- HCA Houston Healthcare KingwoodKingwood, TX
- HCA Houston Healthcare TomballTomball, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
Industry payments (Open Payments)
- 2025$19.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $19.61 | 1 |
What the 2025 payments were for
- Food and Beverage$19.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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