Marco James Tomassi, MD
NPI 1710144829ActiveIndividual· Surgery· Los Angeles, CA
Surgery (MD) in Los Angeles, California, trained at New York Medical College (class of 2003). Part D covered 177 prescriptions written in 2024, 98% of them generic. Glaxosmithkline, LLC. reported $65.14 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1710144829 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 18, 2008 |
| Last updated in NPPES | Dec 6, 2021 |
| Certified by provider | Dec 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A103631 | 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 - General Surgery (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 177 · 178 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $1,994 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | General Surgery |
| Secondary specialties | Colorectal Surgery (Proctology) |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
- 2025$65.14 · 1 payment from 1 company
- 2024$130.16 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $65.14 | 1 |
What the 2025 payments were for
- Food and Beverage$65.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 359 general surgeons in Los Angeles · All general surgeons in California