David M. Barker, MD
NPI 1104801216ActiveIndividual· Obstetrics & Gynecology· Chattanooga, TN
Obstetrics & Gynecology (MD) in Chattanooga, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1999). In 2024 Medicare paid $13,460 for 116 patients, and Part D covered 113 of their prescriptions, 84% of them generic. Sage Therapeutics, LLC was the largest of 15 companies reporting payments in 2025, $831.58 in all, mostly food and beverage.
Overview
| NPI | 1104801216 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 12, 2005 |
| Last updated in NPPES | Dec 12, 2023 |
| Certified by provider | Dec 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 37131 | TN |
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 - Obstetrics/Gynecology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 273 across 35 procedure codes |
| Paid by Medicare | $13,460 |
Part D prescriptions in 2024
| Prescriptions (claims) | 113 · 231 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $13,253 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Galen Medical Group, PCChattanooga, TN · 125 clinicians
Hospital affiliations
- Erlanger Medical CenterChattanooga, TN
- Memorial Healthcare System, IncChattanooga, TN
- Parkridge Medical CenterChattanooga, TN
Industry payments (Open Payments)
- 2025$831.58 · 42 payments from 15 companies
- 2024$1,052 · 48 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sage Therapeutics, LLC | $232.85 | 13 |
| Supernus Pharmaceuticals, Inc. | $103.36 | 5 |
| Millicent US Inc | $85.90 | 4 |
| Novo Nordisk Inc | $71.05 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $69.70 | 3 |
What the 2025 payments were for
- Food and Beverage$831.58 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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