Heather Williamson, NP-C
NPI 1104234723ActiveIndividual· Nurse Practitioner, Family· Milledgeville, GA
Nurse Practitioner, Family (NP-C) with Gastroenterology Associates of Central Ga LLC, practicing in Milledgeville, Georgia. Their prescriptions cost Medicare Part D more than their services did: $196,362 for 1,620 claims, against $22,438 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 4 companies reporting payments in 2025, $555.57 in all, mostly food and beverage. Lists Atrium Health Navicent the Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1104234723 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | Yes |
| NPI issued | Jul 28, 2014 |
| Last updated in NPPES | Jun 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN135456 | GA |
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 - Nurse Practitioner (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 323 across 6 procedure codes |
| Paid by Medicare | $22,438 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,620 · 2,904 30-day fills |
|---|---|
| Patients | 690 |
| Total drug cost | $196,362 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Gastroenterology Associates of Central Ga LLCMacon, GA · 18 clinicians
Hospital affiliations
- Atrium Health Navicent the Medical CenterMacon, GA
- Navicent Health BaldwinMilledgeville, GA
Industry payments (Open Payments)
- 2025$555.57 · 29 payments from 4 companies
- 2024$173.67 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $220.63 | 10 |
| Abbvie Inc. | $162.33 | 9 |
| Ardelyx, Inc. | $147.61 | 9 |
| Revance Therapeutics, Inc. | $25.00 | 1 |
What the 2025 payments were for
- Food and Beverage$555.57 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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