Karissa A. Merritt, DO
NPI 1386137313ActiveIndividual· Family Medicine· Monett, MO
Family Medicine (DO) with Lester E Cox Medical Centers and 1 other group, practicing in Monett, Missouri. Their prescriptions cost Medicare Part D more than their services did: $535,754 for 558 claims, against $38,715 paid for services in 2024. Inspire Medical Systems, Inc. reported $24.14 in payments in 2025, mostly food and beverage. Lists Cox Medical Centers as a hospital affiliation.
Overview
| NPI | 1386137313 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 13, 2018 |
| Last updated in NPPES | Sep 29, 2026 |
| Certified by provider | Sep 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2019028497 | MO |
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 - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 221 |
|---|---|
| Services billed | 998 across 25 procedure codes |
| Paid by Medicare | $38,715 |
Part D prescriptions in 2024
| Prescriptions (claims) | 558 · 658 30-day fills |
|---|---|
| Patients | 168 |
| Total drug cost | $535,754 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Lester E Cox Medical CentersSpringfield, MO · 345 clinicians
- Lester E Cox Medical CentersOzark, MO · 246 clinicians
Hospital affiliation
- Cox Medical CentersSpringfield, MO
Industry payments (Open Payments)
- 2025$24.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $24.14 | 1 |
What the 2025 payments were for
- Food and Beverage$24.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 family medicine physicians in Monett · All family medicine physicians in Missouri