Meredith McKee Koomson, M.D.
NPI 1447571294ActiveIndividual· Internal Medicine· Oklahoma City, OK
Internal Medicine (M.D.) with Integris Ambulatory Care Corporation, practicing in Oklahoma City, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $516,042 for 4,567 claims, against $75,702 paid for services in 2024. Pfizer Inc. was the largest of 17 companies reporting payments in 2025, $1,925 in all, mostly food and beverage. Lists Integris Baptist Medical Center, Inc and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1447571294 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2010 |
| Last updated in NPPES | Jan 25, 2022 |
| Certified by provider | Jan 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 29891 | OK |
| Internal Medicine | 207R00000X | 76589 | GA |
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 - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 269 |
|---|---|
| Services billed | 1,429 across 38 procedure codes |
| Paid by Medicare | $75,702 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,567 · 11,139 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $516,042 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Integris Ambulatory Care CorporationSpencer, OK · 685 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Health Edmond HospitalEdmond, OK
- Integris Southwest Medical CenterOklahoma City, OK
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
- O U Medical CenterOklahoma City, OK
Other facilities
- Elara Caring XxHome health agency · Oklahoma City, OK
- Excell Home CareHome health agency · Oklahoma City, OK
- Integris Home Care Oklahoma CityHome health agency · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$1,925 · 128 payments from 17 companies
- 2024$1,486 · 104 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $323.63 | 19 |
| Astrazeneca Pharmaceuticals LP | $269.82 | 28 |
| Lilly USA, LLC | $242.89 | 16 |
| Abbvie Inc. | $196.09 | 10 |
| Novo Nordisk Inc | $191.99 | 16 |
What the 2025 payments were for
- Food and Beverage$1,915 · 127 payments
- Education$10.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 473 internal medicine physicians in Oklahoma City · All internal medicine physicians in Oklahoma