Mark J. Kellum, MD
NPI 1881665859ActiveIndividual· Obstetrics & Gynecology· Tupelo, MS
Obstetrics & Gynecology (MD) with Obstetrics Gynecology Associates PA, practicing in Tupelo, Mississippi. In 2024 Medicare paid $57,996 for 385 patients, and Part D covered 614 of their prescriptions, 81% of them generic. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $605.80 in all, mostly food and beverage. Lists North Mississippi Medical Center as a hospital affiliation.
Overview
| NPI | 1881665859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 30, 2006 |
| Last updated in NPPES | Jun 21, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 11046 | MS |
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 - Obstetrics/Gynecology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 385 |
|---|---|
| Services billed | 843 across 20 procedure codes |
| Paid by Medicare | $57,996 |
Part D prescriptions in 2024
| Prescriptions (claims) | 614 · 1,002 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $28,019 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Obstetrics Gynecology Associates PATupelo, MS · 10 clinicians
Hospital affiliation
- North Mississippi Medical CenterTupelo, MS
Industry payments (Open Payments)
- 2025$605.80 · 27 payments from 9 companies
- 2024$351.33 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $312.35 | 10 |
| Millicent US Inc | $68.29 | 4 |
| Abbvie Inc. | $54.75 | 3 |
| Mayne Pharma Commercial LLC | $40.56 | 3 |
| Organon LLC | $37.64 | 2 |
What the 2025 payments were for
- Food and Beverage$506.80 · 26 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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