David N. Armstrong, MD
NPI 1720046089ActiveIndividual· Colon & Rectal Surgery· Lawrenceville, GA
Colon & Rectal Surgery (MD) with Health Services of Central Georgia, practicing in Lawrenceville, Georgia. 218 Medicare patients in 2024, $98,919 paid; nearly all of their 210 Part D prescriptions were generic (98%). Rti Surgical, Inc was the largest of 5 companies reporting payments in 2025, $93,145 in all, mostly royalties and licenses. Lists Atrium Health Navicent the Medical Center as a hospital affiliation.
Overview
| NPI | 1720046089 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Oct 12, 2020 |
| Certified by provider | Oct 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 036677 | GA |
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 - Colorectal Surgery (Proctology) (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 462 across 66 procedure codes |
| Paid by Medicare | $98,919 |
Part D prescriptions in 2024
| Prescriptions (claims) | 210 · 216 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $1,712 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
| Telehealth | Offers telehealth |
Medical group
- Health Services of Central GeorgiaMacon, GA · 300 clinicians
Hospital affiliation
Other facilities
- Enhabit Home HealthHome health agency · Macon, GA
Industry payments (Open Payments)
- 2025$93,145 · 9 payments from 5 companies
- 2024$251,702 · 23 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rti Surgical, Inc | $70,515 | 3 |
| Cook Incorporated | $22,406 | 1 |
| Medtronic, Inc. | $149.12 | 3 |
| Davol Inc. | $58.02 | 1 |
| Merck Sharp & Dohme LLC | $17.72 | 1 |
What the 2025 payments were for
- Royalty or License$92,921 · 4 payments
- Food and Beverage$224.86 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records