Adrienne Nicole Harrington-Merriweather, MD
NPI 1639391956ActiveIndividual· Internal Medicine· Ooltewah, TN
Internal Medicine (MD) in Ooltewah, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $788,047 for 6,862 claims, against $3,205 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $133.94 in all, mostly food and beverage.
Overview
| NPI | 1639391956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2007 |
| Last updated in NPPES | May 29, 2026 |
| Certified by provider | May 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 46216 | 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 - Internal Medicine (GA); Practitioner - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 132 across 28 procedure codes |
| Paid by Medicare | $3,205 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,862 · 14,224 30-day fills |
|---|---|
| Patients | 744 |
| Total drug cost | $788,047 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
Medical groups
- Chattanooga Hamilton County Hospital AuthorityChattanooga, TN · 146 clinicians
- Galen Medical Group, PCChattanooga, TN · 125 clinicians
Hospital affiliation
- Erlanger Medical CenterChattanooga, TN
Industry payments (Open Payments)
- 2025$133.94 · 7 payments from 4 companies
- 2024$15.43 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $69.48 | 3 |
| Astrazeneca Pharmaceuticals LP | $36.20 | 2 |
| Exact Sciences Corporation | $14.46 | 1 |
| Neurocrine Biosciences, Inc. | $13.80 | 1 |
What the 2025 payments were for
- Food and Beverage$133.94 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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