Matthew C. Hanggi, MD
NPI 1043278336ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Knoxville, TN
Dermatology, MOHS-Micrographic Surgery (MD) in Knoxville, Tennessee, trained at University of Virginia School of Medicine (class of 2004). 1,107 Medicare patients in 2024, $495,208 paid; nearly all of their 1,143 Part D prescriptions were generic (95%). Regeneron Healthcare Solutions, Inc. was the largest of 17 companies reporting payments in 2025, $1,356 in all, mostly food and beverage.
Overview
| NPI | 1043278336 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Apr 6, 2026 |
| Certified by provider | Apr 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | 38448 | TN |
| Dermatology | 207N00000X | 38448 | TN |
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 - Micrographic Dermatologic Surgery (Mds) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,107 |
|---|---|
| Services billed | 5,737 across 98 procedure codes |
| Paid by Medicare | $495,208 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,143 · 1,310 30-day fills |
|---|---|
| Patients | 606 |
| Total drug cost | $511,728 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Micrographic Dermatologic Surgery (Mds) |
| Secondary specialties | Dermatology |
Medical group
- Knoxville Dermatology Group PCKnoxville, TN · 30 clinicians
Industry payments (Open Payments)
- 2025$1,356 · 64 payments from 17 companies
- 2024$2,227 · 129 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $347.29 | 11 |
| Novartis Pharmaceuticals Corporation | $253.01 | 8 |
| Sun Pharmaceutical Industries Inc. | $178.94 | 13 |
| Mayne Pharma Commercial LLC | $101.36 | 6 |
| Janssen Biotech, Inc. | $86.23 | 5 |
What the 2025 payments were for
- Food and Beverage$1,356 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology, MOHS-Micrographic Surgery providers in Knoxville
- 1548671928
- 1033398532
All Dermatology, MOHS-Micrographic Surgery providers in Tennessee →