VINCENT LLOYD ANTOSZ MD
NPI 1831150135
Internal Medicine in Arcadia, CA
About Vincent Lloyd Antosz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VINCENT LLOYD ANTOSZ MD (NPI 1831150135) is an individual internal medicine provider in Arcadia, California, licensed in California (A64793) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Arcadia, and is a graduate of Northwestern University Feinberg Medical School (1993).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Vincent Lloyd Antosz Md 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 Vincent Antosz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ARCADIA, CA 91007
ARCADIA, CA 91007
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 Vincent Antosz's NPI number?
The NPI number for Vincent Antosz is 1831150135. It was assigned to this individual provider in the NPPES registry on March 28, 2006.
Where is Vincent Antosz located?
Vincent Antosz practices at 300 W Huntington Dr, Arcadia, CA 91007. The listed phone number is (626) 795-2244.
What is Vincent Antosz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Vincent Antosz enrolled in Medicare?
Yes. Vincent Antosz 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 Vincent Antosz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vincent Antosz reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Vincent Antosz'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 Vincent Antosz was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Vincent Lloyd Antosz, MD · NPI 1831150135
Internal Medicine physician in Arcadia, California. Individual provider, active in the CMS NPPES registry since March 28, 2006.
## Identity
- **NPI:** 1831150135 (Entity type: Individual)
- **Enumerated:** March 28, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A64793 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 W HUNTINGTON DR, Arcadia, CA 91007-3402
- **Phone:** (626) 795-2244
## 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:** Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 1993
## Record status
- **NPPES last updated:** December 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831150135) · Data from the CMS NPPES public registry.