Di Yan, MD
NPI 1841795671ActiveIndividual· Dermatology· Madison, WI
Dermatology (MD) in Madison, Wisconsin, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $459,525 for 161 claims, against $75,179 paid for services in 2024.
Overview
| NPI | 1841795671 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 25, 2018 |
| Last updated in NPPES | Oct 24, 2023 |
| Certified by provider | Oct 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 82556 | WI |
| Dermatology, Dermatopathology | 207ND0900X | 82556 | 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 - Dermatology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,371 |
|---|---|
| Services billed | 3,022 across 39 procedure codes |
| Paid by Medicare | $75,179 |
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 185 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $459,525 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Dermatology |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliation
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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All 67 dermatologists in Madison · All dermatologists in Wisconsin