Omar Tageldin, MD
NPI 1134612666ActiveIndividual· Internal Medicine, Gastroenterology· Knoxville, TN
Internal Medicine, Gastroenterology (MD) with University Health System, Inc., practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $51,371 for 142 claims, against $8,756 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,286 in all, mostly food and beverage. Lists University Health System, Inc as a hospital affiliation.
Overview
| NPI | 1134612666 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 9, 2018 |
| Last updated in NPPES | Jul 15, 2024 |
| Certified by provider | Jul 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 0000069532 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 86 across 22 procedure codes |
| Paid by Medicare | $8,756 |
Part D prescriptions in 2024
| Prescriptions (claims) | 142 · 194 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $51,371 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliation
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$1,286 · 48 payments from 15 companies
- 2024$1,027 · 28 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $497.55 | 27 |
| Janssen Biotech, Inc. | $264.88 | 6 |
| Lilly USA, LLC | $149.06 | 2 |
| Enterra Medical, Inc. | $114.50 | 1 |
| Madrigal Pharmaceuticals | $46.68 | 2 |
What the 2025 payments were for
- Food and Beverage$1,286 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 gastroenterologists in Knoxville · All gastroenterologists in Tennessee