Aras Nikodemas Mattis, M.D., PH.D.
NPI 1326374869ActiveIndividual· Pathology, Anatomic Pathology· San Francisco, CA
Pathology, Anatomic Pathology (M.D., PH.D.) with University of California San Francisco, practicing in San Francisco, California. Enrolled in Medicare as practitioner - pathology. Leica Microsystems Inc. reported $2,091 in payments in 2025, mostly speaking and faculty fees.
Overview
| NPI | 1326374869 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2009 |
| Last updated in NPPES | Oct 18, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | A108366 | CA |
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 - Pathology (CA) |
|---|
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
Industry payments (Open Payments)
- 2025$2,091 · 4 payments from 1 company
- 2024$6,496 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Leica Microsystems Inc. | $2,091 | 4 |
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$2,091 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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