Gregory John Mancini, MD
NPI 1548211857ActiveIndividual· Surgery· Knoxville, TN
Surgery (MD) in Knoxville, Tennessee, trained at Mercer University School of Medicine (class of 2000). Mostly services rather than prescriptions: Medicare paid $22,347 for 56 patients in 2024, with only 31 Part D claims. Davol Inc. was the largest of 16 companies reporting payments in 2025, $866.14 in all, mostly food and beverage.
Overview
| NPI | 1548211857 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2006 |
| Last updated in NPPES | Jan 25, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 40807 | TN |
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 - General Surgery (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 88 across 28 procedure codes |
| Paid by Medicare | $22,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 35 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $1,299 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Mercer University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | General Surgery |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliation
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$866.14 · 25 payments from 16 companies
- 2024$1,138 · 33 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $269.88 | 2 |
| Baxter Healthcare | $94.08 | 3 |
| Innovation Technologies Inc | $68.59 | 1 |
| Teleflex LLC | $62.68 | 1 |
| Acera Surgical, Inc. | $60.59 | 3 |
What the 2025 payments were for
- Food and Beverage$866.14 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 general surgeons in Knoxville · All general surgeons in Tennessee