Charles Gregory Nesmith Jr., M.D.
NPI 1720263809ActiveIndividual· Internal Medicine, Gastroenterology· Marietta, GA
Internal Medicine, Gastroenterology (M.D.) in Marietta, Georgia, trained at University of Florida College of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $1,423,593 for 2,025 claims, against $198,751 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,936 in all, mostly food and beverage.
Overview
| NPI | 1720263809 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 8, 2008 |
| Last updated in NPPES | Jul 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 054629 | 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 - Internal Medicine (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 564 |
|---|---|
| Services billed | 6,016 across 40 procedure codes |
| Paid by Medicare | $198,751 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,025 · 3,854 30-day fills |
|---|---|
| Patients | 632 |
| Total drug cost | $1,423,593 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical groups
- Aga Professional Services LLCAtlanta, GA · 177 clinicians
- Aga, LLCPooler, GA · 137 clinicians
Hospital affiliations
- Northside HospitalAtlanta, GA
- Northside Hospital CherokeeCanton, GA
- Piedmont Hospital, IncAtlanta, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
- Wellstar Paulding Medical CenterHiram, GA
Other facilities
- Wellstar Windy Hill HospitalLong-term care hospital · Marietta, GA
Industry payments (Open Payments)
- 2025$1,936 · 92 payments from 16 companies
- 2024$2,153 · 112 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $516.36 | 33 |
| Genzyme Corporation | $282.07 | 11 |
| Regeneron Healthcare Solutions, Inc. | $192.02 | 4 |
| Pfizer Inc. | $190.46 | 12 |
| Qol Medical, LLC | $174.29 | 5 |
What the 2025 payments were for
- Food and Beverage$1,936 · 92 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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