Melissa Y. Allan, MD
NPI 1043257348ActiveIndividual· Internal Medicine· Madison, WI
Internal Medicine (MD) in Madison, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $252,718 for 3,203 claims, against $39,554 paid for services in 2024.
Overview
| NPI | 1043257348 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Dec 16, 2024 |
| Certified by provider | Dec 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 45902-020 | WI |
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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 748 across 42 procedure codes |
| Paid by Medicare | $39,554 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,203 · 7,494 30-day fills |
|---|---|
| Patients | 657 |
| Total drug cost | $252,718 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Stoughton HospitalStoughton, WI
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Other facilities
- Uw Health Care DirectHome health agency · Middleton, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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