ROSIN OPTICAL CO., INC.
NPI 1578798989
Eyewear Supplier in Chicago, IL
About Rosin Optical Co., Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSIN OPTICAL CO., INC. (NPI 1578798989) is a healthcare organization registered as an eyewear supplier in Chicago, Illinois and active in the NPI registry since May 2009. The organization lists Nicholas A. Chiaramonti, Director Of Professional Services, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Rosin Optical Co., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
87Medicare enrollment records show 87 clinicians reassign Medicare billing to Rosin Optical Co., Inc., which bills Medicare for the services they deliver. Of these, 28 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Nearest to this location (20)
See all 87Chicago, IL 60612
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 Rosin Optical Co., Inc.'s NPI number?
The NPI number for Rosin Optical Co., Inc. is 1578798989. It was assigned to this organization in the NPPES registry on May 29, 2009.
Where is Rosin Optical Co., Inc. located?
Rosin Optical Co., Inc. is located at 100 W Randolph St Suite 104, Chicago, IL 60601. The listed phone number is (312) 263-4909.
What is Rosin Optical Co., Inc.'s specialty?
The primary specialty registered for this NPI is Eyewear Supplier with taxonomy code 332H00000X.
Is Rosin Optical Co., Inc. enrolled in Medicare?
Yes. Rosin Optical Co., Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Rosin Optical Co., Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 87 clinicians, all in Optometry, reassign their Medicare billing to Rosin Optical Co., Inc.. 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, 28 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Rosin Optical Co., Inc. was last updated on May 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Rosin Optical Co., Inc. · NPI 1578798989
Eyewear Supplier organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since May 29, 2009.
## Identity
- **NPI:** 1578798989 (Entity type: Organization)
- **Enumerated:** May 29, 2009
- **Primary specialty:** Eyewear Supplier · taxonomy 332H00000X
- **Organization subpart:** No
- **Authorized official:** Nicholas Chiaramonti, DIRECTOR OF PROFESSIONAL SERVICES
## Practice location
- **Address:** 100 W RANDOLPH ST, SUITE 104, Chicago, IL 60601-3218
- **Phone:** (312) 263-4909 · **Fax:** (312) 263-4932
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 87 clinicians (Optometry) reassign Medicare billing to this organization (form CMS-855R); 28 practice within 10 miles; [full list](https://npiprofile.com/npi/1578798989/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 19, 2010
- **Other identifiers:** Medicare NSC 0452870014 (IL); Medicare PIN 999575; Other CA2163
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Source: [NPI Profile](https://npiprofile.com/npi/1578798989) · Data from the CMS NPPES public registry.