Peggy Liao, MD
NPI 1699799379ActiveIndividual· Dermatology· Denver, CO
Dermatology (MD) in Denver, Colorado, trained at Duke University School of Medicine (class of 2001). 926 Medicare patients in 2024, $136,801 paid; nearly all of their 515 Part D prescriptions were generic (91%). Genzyme Corporation was the largest of 16 companies reporting payments in 2025, $838.90 in all, mostly food and beverage.
Overview
| NPI | 1699799379 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Dec 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 43533 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 926 |
|---|---|
| Services billed | 2,582 across 39 procedure codes |
| Paid by Medicare | $136,801 |
Part D prescriptions in 2024
| Prescriptions (claims) | 515 · 652 30-day fills |
|---|---|
| Patients | 219 |
| Total drug cost | $168,592 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Dermatology |
Medical groups
- Advanced Dermatology of Colorado PCFort Collins, CO · 65 clinicians
- Colorado Coalition for the HomelessDenver, CO · 46 clinicians
Industry payments (Open Payments)
- 2025$838.90 · 37 payments from 16 companies
- 2024$892.43 · 38 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $136.44 | 5 |
| Abbvie Inc. | $83.57 | 4 |
| Janssen Biotech, Inc. | $80.40 | 3 |
| Sanofi-Aventis U.S. LLC | $79.99 | 1 |
| Galderma Laboratories, L.P. | $71.16 | 4 |
What the 2025 payments were for
- Food and Beverage$758.91 · 36 payments
- Education$79.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 dermatologists in Denver · All dermatologists in Colorado