Matthew Aaron Lewis, MD
NPI 1235454182ActiveIndividual· Dermatology· Stanford, CA
Dermatology (MD) in Stanford, California, trained at George Washington University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $3,893,282 for 1,862 claims, against $87,960 paid for services in 2024. Galderma Laboratories, L.P. was the largest of 4 companies reporting payments in 2025, $137,987 in all, mostly speaking and faculty fees.
Overview
| NPI | 1235454182 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 5, 2010 |
| Last updated in NPPES | Apr 16, 2024 |
| Certified by provider | Apr 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A131557 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 421 |
|---|---|
| Services billed | 1,397 across 29 procedure codes |
| Paid by Medicare | $87,960 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,862 · 2,374 30-day fills |
|---|---|
| Patients | 278 |
| Total drug cost | $3,893,282 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$137,987 · 77 payments from 4 companies
- 2024$101,071 · 77 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $52,775 | 27 |
| Regeneron Healthcare Solutions, Inc. | $47,624 | 28 |
| Abbvie Inc. | $31,454 | 19 |
| Genzyme Corporation | $6,134 | 3 |
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$130,708 · 37 payments
- Travel and Lodging$5,411 · 19 payments
- Food and Beverage$1,861 · 20 payments
- Education$6.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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