Olasimbo M. Chiadika, M.D.
NPI 1699825299ActiveIndividual· Internal Medicine, Cardiovascular Disease· Houston, TX
Internal Medicine, Cardiovascular Disease (M.D.) in Houston, Texas, trained at Columbia University College of Physicians and Surgeons (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $317,880 for 1,999 claims, against $67,088 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $773.32 in all, mostly food and beverage.
Overview
| NPI | 1699825299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 12, 2007 |
| Last updated in NPPES | May 23, 2022 |
| Certified by provider | May 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | N6221 | TX |
| Internal Medicine | 207R00000X | 222317 | NY |
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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 877 |
|---|---|
| Services billed | 1,683 across 39 procedure codes |
| Paid by Medicare | $67,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,999 · 4,815 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $317,880 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Baptist Beaumont HospitalBeaumont, TX
- Matagorda Regional Medical CenterBay City, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
Industry payments (Open Payments)
- 2025$773.32 · 12 payments from 7 companies
- 2024$8,713 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $245.48 | 5 |
| Astrazeneca Pharmaceuticals LP | $125.22 | 2 |
| Teva Pharmaceuticals USA, Inc. | $125.00 | 1 |
| Kyowa Kirin, Inc. | $120.20 | 1 |
| Neurocrine Biosciences, Inc. | $108.92 | 1 |
What the 2025 payments were for
- Food and Beverage$764.42 · 11 payments
- Education$8.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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