Nathan Wasson Massengill, M.D.
NPI 1124523428ActiveIndividual· Psychiatry & Neurology, Psychiatry· Greensboro, NC
Psychiatry & Neurology, Psychiatry (M.D.) with Carolinas Medical Center, practicing in Greensboro, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $30,049 for 258 claims, against $5,873 paid for services in 2024. Lundbeck LLC reported $18.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1124523428 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2018 |
| Last updated in NPPES | Jul 21, 2022 |
| Certified by provider | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 2022-01113 | NC |
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 - Psychiatry (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 92 across 8 procedure codes |
| Paid by Medicare | $5,873 |
Part D prescriptions in 2024
| Prescriptions (claims) | 258 · 259 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $30,049 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Psychiatry |
Medical group
- Carolinas Medical CenterCharlotte, NC · 1,067 clinicians
Industry payments (Open Payments)
- 2025$18.37 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $18.37 | 1 |
What the 2025 payments were for
- Food and Beverage$18.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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