Mallory Shillinger, D.O.
NPI 1023466570ActiveIndividual· Internal Medicine· Athens, GA
Internal Medicine (D.O.) in Athens, Georgia, trained at Nova Southeastern College of Osteo Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $942,236 for 8,591 claims, against $104,034 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $566.40 in all, mostly food and beverage.
Overview
| NPI | 1023466570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 25, 2016 |
| Last updated in NPPES | Oct 20, 2020 |
| Certified by provider | Oct 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 84754 | GA |
| General Practice | 208D00000X | 208D00000X | FL |
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 | 297 |
|---|---|
| Services billed | 1,645 across 52 procedure codes |
| Paid by Medicare | $104,034 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,591 · 20,525 30-day fills |
|---|---|
| Patients | 718 |
| Total drug cost | $942,236 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Nova Southeastern College of Osteo Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Piedmont Professional Services LLCAlpharetta, GA · 388 clinicians
- Piedmont Athens Primary Care LLCAthens, GA · 82 clinicians
Hospital affiliations
- Piedmont Athens Regional Medical CenterAthens, GA
- Piedmont Walton HospitalMonroe, GA
- St Mary's HospitalAthens, GA
Other facilities
- Amedisys Home Health of CovingtonHome health agency · Covington, GA
Industry payments (Open Payments)
- 2025$566.40 · 27 payments from 10 companies
- 2024$722.07 · 33 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $263.66 | 10 |
| Astrazeneca Pharmaceuticals LP | $106.09 | 6 |
| Abbott Laboratories | $42.75 | 2 |
| Pfizer Inc. | $36.51 | 2 |
| Lilly USA, LLC | $28.75 | 2 |
What the 2025 payments were for
- Food and Beverage$566.40 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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