Thomas J. Lomis, M.D.
NPI 1023037199ActiveIndividual· Surgery, Surgical Oncology· Van Nuys, CA
Surgery, Surgical Oncology (M.D.) in Van Nuys, California, trained at University of Pittsburgh School of Medicine (class of 1992). Mostly services rather than prescriptions: Medicare paid $57,628 for 210 patients in 2024, with only 22 Part D claims. Pfizer Inc. was the largest of 22 companies reporting payments in 2025, $1,002 in all, mostly food and beverage.
Overview
| NPI | 1023037199 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | G83600 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 210 |
|---|---|
| Services billed | 497 across 49 procedure codes |
| Paid by Medicare | $57,628 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 22 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $332.07 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | General Surgery |
| Secondary specialties | Surgical Oncology |
Medical group
- Thomas J Lomis M D Inc A Professional CorporationVan Nuys, CA · 11 clinicians
Hospital affiliation
- Valley Presbyterian HospitalVan Nuys, CA
Industry payments (Open Payments)
- 2025$1,002 · 37 payments from 22 companies
- 2024$841.07 · 24 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $138.81 | 5 |
| Novartis Pharmaceuticals Corporation | $116.44 | 5 |
| Sobi, Inc | $90.10 | 3 |
| Ipsen Biopharmaceuticals, Inc | $77.96 | 3 |
| Boston Scientific Corporation | $55.06 | 1 |
What the 2025 payments were for
- Food and Beverage$1,002 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Surgical Oncology providers in Van Nuys
- 1982700035