GARABED PARUNAG 'GARY' NISHANIAN MD
NPI 1407036288
Surgery - Vascular Surgery in Irvine, CA
About Garabed Parunag 'gary' Nishanian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARABED PARUNAG 'GARY' NISHANIAN MD (NPI 1407036288) is a healthcare organization registered as a vascular surgery in Irvine, California and active in the NPI registry since November 2007. The organization lists Gary Nishanian, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Garabed Parunag 'gary' Nishanian Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Garabed Parunag 'gary' Nishanian MD, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Vascular And Endovascular Institute Of Orange County, A Medical Corpor's NPI number?
The NPI number for Vascular And Endovascular Institute Of Orange County, A Medical Corpor is 1407036288. It was assigned to this organization in the NPPES registry on November 8, 2007. The provider is doing business as Garabed Parunag 'gary' Nishanian MD.
Where is Vascular And Endovascular Institute Of Orange County, A Medical Corpor located?
Vascular And Endovascular Institute Of Orange County, A Medical Corpor is located at 16100 Sand Canyon Ave Suite 350, Irvine, CA 92618. The listed phone number is (949) 429-8840.
What is Vascular And Endovascular Institute Of Orange County, A Medical Corpor's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Vascular And Endovascular Institute Of Orange County, A Medical Corpor enrolled in Medicare?
Yes. Vascular And Endovascular Institute Of Orange County, A Medical Corpor is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Vascular And Endovascular Institute Of Orange County, A Medical Corpor?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Vascular Surgery) reassigns their Medicare billing to Vascular And Endovascular Institute Of Orange County, A Medical Corpor. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Vascular And Endovascular Institute Of Orange County, A Medical Corpor was last updated on October 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Garabed Parunag 'gary' Nishanian Md · NPI 1407036288
Vascular Surgery organization in Irvine, California. Organization record, active in the CMS NPPES registry since November 8, 2007.
## Identity
- **NPI:** 1407036288 (Entity type: Organization)
- **Enumerated:** November 8, 2007
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **Legal business name:** Vascular And Endovascular Institute Of Orange County, A Medical Corpor
- **Organization subpart:** No
- **Authorized official:** Gary Nishanian, PRESIDENT
## Practice location
- **Address:** 16100 SAND CANYON AVE, SUITE 350, Irvine, CA 92618-3716
- **Phone:** (949) 429-8840
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Vascular Surgery) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 2, 2015
- **Other identifiers:** Medicare UPIN H51467 (CA); Medicaid 00A525370 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1407036288) · Data from the CMS NPPES public registry.