GRETA TOROSSIAN, OPTOMETRIC CORP.
NPI 1821152273
Optometrist in Glendale, CA
About Greta Torossian, Optometric Corp. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRETA TOROSSIAN, OPTOMETRIC CORP. (NPI 1821152273) is a healthcare organization registered as an optometrist in Glendale, California and active in the NPI registry since December 2006. The organization lists Greta Torossian, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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)
Greta Torossian, Optometric Corp. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
20Medicare enrollment records show 20 clinicians reassign Medicare billing to Greta Torossian, Optometric Corp., which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians, nearest first (20)
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 Greta Torossian, Optometric Corp.'s NPI number?
The NPI number for Greta Torossian, Optometric Corp. is 1821152273. It was assigned to this organization in the NPPES registry on December 20, 2006.
Where is Greta Torossian, Optometric Corp. located?
Greta Torossian, Optometric Corp. is located at 330 N Brand Blvd Ste 110, Glendale, CA 91203. The listed phone number is (818) 956-3728.
What is Greta Torossian, Optometric Corp.'s specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Greta Torossian, Optometric Corp. enrolled in Medicare?
Yes. Greta Torossian, Optometric Corp. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Greta Torossian, Optometric Corp.?
According to the CMS Revalidation Reassignment List (October 2026 release), 20 clinicians, all in Optometry, reassign their Medicare billing to Greta Torossian, Optometric Corp.. 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. Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Greta Torossian, Optometric Corp. accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Greta Torossian, Optometric Corp. 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 Greta Torossian, Optometric Corp. was last updated on April 2, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Greta Torossian, Optometric Corp. · NPI 1821152273
Optometrist organization in Glendale, California. Organization record, active in the CMS NPPES registry since December 20, 2006.
## Identity
- **NPI:** 1821152273 (Entity type: Organization)
- **Enumerated:** December 20, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Organization subpart:** No
- **Authorized official:** Greta Torossian, PRESIDENT
## Practice location
- **Address:** 330 N BRAND BLVD STE 110, Glendale, CA 91203-2308
- **Phone:** (818) 956-3728
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 20 clinicians (Optometry) reassign Medicare billing to this organization (form CMS-855R); 4 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 2, 2013
- **Other identifiers:** Medicare PIN W20654 (CA); Medicare UPIN U83011 (CA); Medicare PIN GY159A (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1821152273) · Data from the CMS NPPES public registry.