GIRISGEN & KOPOLOW OD, PC
NPI 1427382415
Optometrist in Las Vegas, NV
About Girisgen & Kopolow Od, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GIRISGEN & KOPOLOW OD, PC (NPI 1427382415) is a healthcare organization registered as an optometrist in Las Vegas, Nevada and active in the NPI registry since September 2009. The organization lists Sefir T Girisgen, Owner/optometrist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Girisgen & Kopolow Od, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
75Medicare enrollment records show 75 clinicians reassign Medicare billing to Girisgen & Kopolow Od, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 36 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 2
Nearest to this location (20)
See all 75Source: 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 Girisgen & Kopolow Od, PC's NPI number?
The NPI number for Girisgen & Kopolow Od, PC is 1427382415. It was assigned to this organization in the NPPES registry on September 24, 2009.
Where is Girisgen & Kopolow Od, PC located?
Girisgen & Kopolow Od, PC is located at 8145 W Sahara Ave Ste 510, Las Vegas, NV 89117. The listed phone number is (702) 733-6764.
What is Girisgen & Kopolow Od, PC's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Girisgen & Kopolow Od, PC enrolled in Medicare?
Yes. Girisgen & Kopolow Od, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Girisgen & Kopolow Od, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 75 clinicians in 2 Medicare specialties reassign their Medicare billing to Girisgen & Kopolow Od, PC. 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. The largest specialties are Optometry (74) and Ophthalmology (1). Of these, 2 practice at this address and 36 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Girisgen & Kopolow Od, PC accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee list Girisgen & Kopolow Od, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Girisgen & Kopolow Od, PC was last updated on September 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Girisgen & Kopolow Od, Pc · NPI 1427382415
Optometrist organization in Las Vegas, Nevada. Organization record, active in the CMS NPPES registry since September 24, 2009.
## Identity
- **NPI:** 1427382415 (Entity type: Organization)
- **Enumerated:** September 24, 2009
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Organization subpart:** No
- **Authorized official:** Sefir Girisgen, OWNER/OPTOMETRIST
## Practice location
- **Address:** 8145 W SAHARA AVE STE 510, Las Vegas, NV 89117-1995
- **Phone:** (702) 733-6764 · **Fax:** (702) 255-5795
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 75 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Optometry (74), Ophthalmology (1); 2 practice at this address and 36 within 10 miles; [full list](https://npiprofile.com/npi/1427382415/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 27, 2011
- **Other identifiers:** Medicaid 100507863 (NV); Medicare PIN CY295A (NV); Medicare NSC 6368440001 (NV)
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Source: [NPI Profile](https://npiprofile.com/npi/1427382415) · Data from the CMS NPPES public registry.