Quick answers
- Which hospitals does Thomas J. Lomis work at?
- Medicare's official clinician data lists Thomas J. Lomis at 1 hospital: Valley Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas J. Lomis see patients?
- Medicare's clinician data lists 1 practice location in Van Nuys, CA. Call before your visit to confirm the address.
- What is Thomas J. Lomis's specialty?
- Medicare lists General Surgery as the primary specialty, and also Surgical Oncology.
- Does Thomas J. Lomis accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas J. Lomis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Thomas J. Lomis?
- (818) 782-3255, as listed in official Medicare / NPI Registry data.
- What is Thomas J. Lomis's NPI number?
- 1023037199. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas J. Lomis works
Medicare's Facility Affiliation Data lists Thomas J. Lomis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Valley Presbyterian HospitalVan Nuys, CA · Acute Care Hospital · CCN 050126
Practice locations
Addresses where Thomas J. Lomis is enrolled with Medicare (CMS data updated 2026-10-02).
- 15211 Vanowen St, Suite 208Van Nuys, CA 91405 (818) 782‑3255
Group practices
Medicare enrollment lists Thomas J. Lomis as a member of this group (CMS data updated 2026-10-02).
- Thomas J Lomis M D Inc a Professional Corporation11 clinicians in the group
Specialties
- General Surgeryprimary
- Surgical Oncologyalso
Other general surgeons in Van Nuys
Clinicians with the same Medicare primary specialty in Van Nuys, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023037199 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians