David W. Marden, DO
NPI 1699778605ActiveIndividual· Obstetrics & Gynecology· Bristol, TN
Obstetrics & Gynecology (DO) in Bristol, Tennessee, trained at College of Osteo Med of the Pacific at Pomona (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $83,441 for 957 claims, against $21,091 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 7 companies reporting payments in 2025, $228.91 in all, mostly food and beverage.
Overview
| NPI | 1699778605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 23, 2005 |
| Last updated in NPPES | Nov 30, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | DO 1214 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 170 |
|---|---|
| Services billed | 354 across 12 procedure codes |
| Paid by Medicare | $21,091 |
Part D prescriptions in 2024
| Prescriptions (claims) | 957 · 1,494 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $83,441 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | College of Osteo Med of the Pacific at Pomona |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Obstetrics/Gynecology |
Hospital affiliations
- Clinch Valley Medical CenterRichlands, VA
- Johnson City Medical CenterJohnson City, TN
- Johnston Memorial HospitalAbingdon, VA
- Wellmont Bristol Regional Medical CenterBristol, TN
- Wellmont Holston Valley Medical CenterKingsport, TN
Industry payments (Open Payments)
- 2025$228.91 · 19 payments from 7 companies
- 2024$61.48 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $97.07 | 13 |
| Novo Nordisk Inc | $29.77 | 1 |
| Daiichi Sankyo Inc. | $27.38 | 1 |
| Sumitomo Pharma America, Inc. | $26.34 | 1 |
| Hologic Sales and Service, LLC | $19.37 | 1 |
What the 2025 payments were for
- Food and Beverage$228.91 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Obstetrics & Gynecology providers in Bristol
- 1194896597
- 1457694929
- 1285263400
- 1548834542
- 1477845444
- 1932102944
- 1821593427