Aaron Gerald Mammoser, M.D., M.S.
NPI 1164549895ActiveIndividual· Psychiatry & Neurology, Neurology· Atlanta, GA
Psychiatry & Neurology, Neurology (M.D., M.S.) with Piedmont Providers LLC, practicing in Atlanta, Georgia. Their prescriptions cost Medicare Part D more than their services did: $233,172 for 335 claims, against $50,182 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 6 companies reporting payments in 2025, $2,144 in all, mostly consulting fees. Lists Piedmont Fayette Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1164549895 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | No |
| NPI issued | Mar 26, 2007 |
| Last updated in NPPES | Mar 27, 2023 |
| Certified by provider | Mar 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 94420 | GA |
| Psychiatry & Neurology, Neurology | 2084N0400X | 4301085782 | MI |
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 - Neurology (GA); Practitioner - Neurosurgery (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 80 |
|---|---|
| Services billed | 573 across 16 procedure codes |
| Paid by Medicare | $50,182 |
Part D prescriptions in 2024
| Prescriptions (claims) | 335 · 413 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $233,172 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Piedmont Providers LLCAtlanta, GA · 530 clinicians
Hospital affiliations
- Piedmont Fayette HospitalFayetteville, GA
- Piedmont Henry HospitalStockbridge, GA
- Piedmont Hospital, IncAtlanta, GA
- Piedmont Newnan Hospital, IncNewnan, GA
- Piedmont Newton HospitalCovington, GA
Industry payments (Open Payments)
- 2025$2,144 · 8 payments from 6 companies
- 2024$153.96 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $1,950 | 1 |
| Novocure Inc. | $79.73 | 3 |
| Brainlab, Inc. | $49.25 | 1 |
| Jazz Pharmaceuticals Inc. | $28.27 | 1 |
| Caris Mpi, Inc. | $20.42 | 1 |
What the 2025 payments were for
- Consulting Fee$1,950 · 1 payment
- Food and Beverage$194.15 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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