THOMAS J LOMIS M.D.
NPI 1023037199
Surgery - Surgical Oncology in Van Nuys, CA
About Thomas J Lomis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS J LOMIS M.D. (NPI 1023037199) is an individual surgical oncology provider in Van Nuys, California, licensed in California (G83600) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thomas J Lomis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Thomas Lomis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Van Nuys, CA 91405
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Thomas J Lomis M D Inc A Professional Corporation
- 13 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VAN NUYS, CA 91405
VAN NUYS, CA 91405
VAN NUYS, CA 91405
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Lomis's NPI number?
The NPI number for Thomas Lomis is 1023037199. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Thomas Lomis located?
Thomas Lomis practices at 15211 Vanowen St Suite 208, Van Nuys, CA 91405. The listed phone number is (818) 782-3255.
What is Thomas Lomis's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Thomas Lomis enrolled in Medicare?
Yes. Thomas Lomis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Thomas Lomis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Lomis reassigns Medicare benefits to Thomas J Lomis, MD, Inc. A Professional Corporation (Van Nuys, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Lomis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thomas Lomis was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Thomas J Lomis, M.D. · NPI 1023037199
Surgical Oncology physician in Van Nuys, California. Individual provider, active in the CMS NPPES registry since July 19, 2006.
## Identity
- **NPI:** 1023037199 (Entity type: Individual)
- **Enumerated:** July 19, 2006
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** G83600 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 15211 VANOWEN ST, SUITE 208, Van Nuys, CA 91405-3606
- **Phone:** (818) 782-3255 · **Fax:** (818) 782-7026
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Thomas J Lomis, MD, Inc. A Professional Corporation (NPI 1982700035, Van Nuys, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicare ID-Type Unspecified W18196 (CA); Medicare UPIN G57581 (CA); Medicaid 00G836001 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1023037199) · Data from the CMS NPPES public registry.