Stephanie D. Gan, MD
NPI 1629399654ActiveIndividual· Dermatology· Hinsdale, IL
Dermatology (MD) in Hinsdale, Illinois, trained at Boston University School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $328,472 for 1,135 claims, against $149,631 paid for services in 2024. Abbvie Inc. was the largest of 6 companies reporting payments in 2025, $505.48 in all, mostly food and beverage.
Overview
| NPI | 1629399654 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2010 |
| Last updated in NPPES | Aug 8, 2023 |
| Certified by provider | Aug 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 036138235 | IL |
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 - Dermatology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 689 |
|---|---|
| Services billed | 3,244 across 77 procedure codes |
| Paid by Medicare | $149,631 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,135 · 1,518 30-day fills |
|---|---|
| Patients | 464 |
| Total drug cost | $328,472 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Dermatology |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Industry payments (Open Payments)
- 2025$505.48 · 15 payments from 6 companies
- 2024$323.98 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $219.81 | 6 |
| Galderma Laboratories, L.P. | $172.90 | 3 |
| Amgen Inc. | $54.05 | 3 |
| Lilly USA, LLC | $23.65 | 1 |
| Arcutis Biotherapeutics, Inc. | $19.85 | 1 |
What the 2025 payments were for
- Food and Beverage$505.48 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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