Kevin Troy Marks, MD
NPI 1679585228ActiveIndividual· Internal Medicine, Gastroenterology· Katy, TX
Internal Medicine, Gastroenterology (MD) in Katy, Texas, trained at Meharry Medical College School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $256,233 for 495 claims, against $86,225 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $2,279 in all, mostly food and beverage.
Overview
| NPI | 1679585228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 12, 2006 |
| Last updated in NPPES | Dec 21, 2024 |
| Certified by provider | Dec 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | L6514 | 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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 3,128 across 21 procedure codes |
| Paid by Medicare | $86,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 495 · 917 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $256,233 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Meharry Medical College School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Houston Methodist West HospitalHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
Other facilities
- Memorial Hermann Rehabilitation Hospital KatyInpatient rehabilitation facility · Katy, TX
Industry payments (Open Payments)
- 2025$2,279 · 71 payments from 14 companies
- 2024$1,473 · 72 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,168 | 24 |
| Pfizer Inc. | $206.06 | 10 |
| Janssen Biotech, Inc. | $199.74 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $194.48 | 6 |
| Celltrion USA Inc. | $95.00 | 5 |
What the 2025 payments were for
- Food and Beverage$1,804 · 70 payments
- Consulting Fee$475.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 gastroenterologists in Katy · All gastroenterologists in Texas