John W. Cook, MD
NPI 1033253877ActiveIndividual· Obstetrics & Gynecology· Flowood, MS
Obstetrics & Gynecology (MD) in Flowood, Mississippi, trained at University of Mississippi School of Medicine (class of 1989). 441 Medicare patients in 2024, $236,963 paid; nearly all of their 1,101 Part D prescriptions were generic (90%). Mayne Pharma Commercial LLC was the largest of 6 companies reporting payments in 2025, $214.62 in all, mostly food and beverage.
Overview
| NPI | 1033253877 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 16, 2007 |
| Last updated in NPPES | Apr 21, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 12495 | 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 | 441 |
|---|---|
| Services billed | 8,792 across 67 procedure codes |
| Paid by Medicare | $236,963 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,101 · 2,168 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $63,812 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Jackson Healthcare for Women PAFlowood, MS · 15 clinicians
Hospital affiliations
- Merit Health Women's HospitalFlowood, MS
- Mississippi Baptist Medical CenterJackson, MS
- St Dominic-Jackson Memorial HospitalJackson, MS
Industry payments (Open Payments)
- 2025$214.62 · 14 payments from 6 companies
- 2024$194.75 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $64.96 | 4 |
| Hologic Sales and Service, LLC | $36.57 | 2 |
| Astellas Pharma US Inc | $33.67 | 2 |
| Lilly USA, LLC | $31.57 | 2 |
| Convatec Inc. | $29.01 | 1 |
What the 2025 payments were for
- Food and Beverage$214.62 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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