Tessa Andermann, M.D.
NPI 1912210147ActiveIndividual· Internal Medicine, Infectious Disease· Chapel Hill, NC
Internal Medicine, Infectious Disease (M.D.) in Chapel Hill, North Carolina, trained at Stanford University School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $255,473 for 96 claims, against $15,064 paid for services in 2024. Merck Sharp & Dohme LLC reported $25.70 in payments in 2025, mostly education.
Overview
| NPI | 1912210147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 16, 2010 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Aug 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 2019-01250 | 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 - Infectious Disease (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 198 across 11 procedure codes |
| Paid by Medicare | $15,064 |
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 116 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $255,473 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- University of North Carolina at Chapel HillChapel Hill, NC · 2,052 clinicians
Hospital affiliation
- Unc HospitalsChapel Hill, NC
Industry payments (Open Payments)
- 2025$25.70 · 1 payment from 1 company
- 2024$785.13 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $25.70 | 1 |
What the 2025 payments were for
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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