Teminioluwa Ayotunde Ajayi, MD
NPI 1649777210ActiveIndividual· Internal Medicine, Gastroenterology· Humble, TX
Internal Medicine, Gastroenterology (MD) in Humble, Texas, trained at Duke University School of Medicine (class of 2018). Mostly services rather than prescriptions: Medicare paid $17,601 for 53 patients in 2024, with only 41 Part D claims. Olympus Corporation of the Americas was the largest of 10 companies reporting payments in 2025, $3,315 in all, mostly travel and lodging.
Overview
| NPI | 1649777210 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 10, 2018 |
| Last updated in NPPES | Aug 7, 2024 |
| Certified by provider | Aug 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | T4490 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 53 |
|---|---|
| Services billed | 181 across 28 procedure codes |
| Paid by Medicare | $17,601 |
Part D prescriptions in 2024
| Prescriptions (claims) | 41 · 73 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $12,154 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Northeast HospitalHumble, TX
- Memorial Hermann Surgical Hospital KingwoodKingwood, TX
Industry payments (Open Payments)
- 2025$3,315 · 49 payments from 10 companies
- 2024$2,706 · 33 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation of the Americas | $1,639 | 20 |
| Medtronic, Inc. | $896.97 | 17 |
| 3-D Matrix, Inc. | $175.56 | 1 |
| Fujifilm Healthcare Americas Corporation | $171.72 | 1 |
| Cook Medical LLC | $126.98 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,810 · 16 payments
- Food and Beverage$1,505 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Texas →