Alysha Guillermina Colon, MD
NPI 1003444365ActiveIndividual· Dermatology· Alexandria, VA
Dermatology (MD) in Alexandria, Virginia, trained at University of Florida College of Medicine (class of 2020). 79 Medicare patients in 2024, $14,839 paid; nearly all of their 111 Part D prescriptions were generic (96%). Leo Pharma Inc. was the largest of 18 companies reporting payments in 2025, $3,846 in all, mostly food and beverage.
Overview
| NPI | 1003444365 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2020 |
| Last updated in NPPES | Jun 26, 2024 |
| Certified by provider | Jun 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 0101282698 | VA |
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 (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 246 across 20 procedure codes |
| Paid by Medicare | $14,839 |
Part D prescriptions in 2024
| Prescriptions (claims) | 111 · 117 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $13,831 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Dermatology |
Medical groups
- Advanced Dermatology of Virginia IncFairfax, VA · 27 clinicians
- Potomac Dermatology and Skincare CenterPotomac, MD · 6 clinicians
Industry payments (Open Payments)
- 2025$3,846 · 148 payments from 18 companies
- 2024$2,550 · 60 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leo Pharma Inc. | $711.85 | 35 |
| Abbvie Inc. | $565.20 | 21 |
| Organon LLC | $383.45 | 12 |
| Incyte Corporation | $330.48 | 13 |
| Janssen Biotech, Inc. | $322.98 | 11 |
What the 2025 payments were for
- Food and Beverage$3,746 · 147 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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