Peter A. Lio, M.D.
NPI 1497787923ActiveIndividual· Dermatology· Chicago, IL
Dermatology (M.D.) in Chicago, Illinois, trained at Harvard Medical School (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $284,466 for 154 claims, against $24,512 paid for services in 2024. Galderma Laboratories, L.P. was the largest of 18 companies reporting payments in 2025, $521,218 in all, mostly speaking and faculty fees.
Overview
| NPI | 1497787923 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Dec 6, 2021 |
| Certified by provider | Dec 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 036120840 | IL |
| Dermatology | 207N00000X | 222029 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 146 |
|---|---|
| Services billed | 370 across 28 procedure codes |
| Paid by Medicare | $24,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 154 · 172 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $284,466 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Dermatology |
Medical group
- Medical Dermatology Associates of Chicago LtdChicago, IL · 7 clinicians
Industry payments (Open Payments)
- 2025$521,218 · 359 payments from 18 companies
- 2024$523,786 · 398 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $141,869 | 106 |
| Genzyme Corporation | $90,811 | 30 |
| Lilly USA, LLC | $69,011 | 38 |
| Incyte Corporation | $45,579 | 33 |
| Regeneron Healthcare Solutions, Inc. | $45,085 | 31 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$345,366 · 96 payments
- Consulting Fee$133,655 · 36 payments
- Travel and Lodging$35,165 · 99 payments
- Food and Beverage$6,396 · 127 payments
- Grant$634.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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