Sezen A. Altug, M.D.
NPI 1710998463ActiveIndividual· Internal Medicine, Gastroenterology· Webster, TX
Internal Medicine, Gastroenterology (M.D.) in Webster, Texas, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $680,496 for 1,910 claims, against $132,882 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $2,915 in all, mostly food and beverage.
Overview
| NPI | 1710998463 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 10, 2006 |
| Last updated in NPPES | Oct 20, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | J2860 | 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 | 437 |
|---|---|
| Services billed | 5,591 across 38 procedure codes |
| Paid by Medicare | $132,882 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,910 · 4,423 30-day fills |
|---|---|
| Patients | 571 |
| Total drug cost | $680,496 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Texas Digestive Disease Consultants, PLLCFlower Mound, TX · 608 clinicians
Hospital affiliations
- HCA Houston Healthcare Clear LakeWebster, TX
- Houston Methodist Clear Lake HospitalNassau Bay, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Houston Physicians HospitalWebster, TX
Industry payments (Open Payments)
- 2025$2,915 · 121 payments from 19 companies
- 2024$2,771 · 129 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $726.40 | 43 |
| Madrigal Pharmaceuticals | $604.71 | 14 |
| Janssen Biotech, Inc. | $391.22 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $387.76 | 12 |
| Lilly USA, LLC | $121.56 | 5 |
What the 2025 payments were for
- Food and Beverage$2,915 · 121 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 gastroenterologists in Webster · All gastroenterologists in Texas