NUSITE OPTOMETRY
NPI 1396636932
Optometrist in Newport Beach, CA
About Nusite Optometry NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NUSITE OPTOMETRY (NPI 1396636932), doing business as Eyesite Optometry, is a healthcare organization registered as an optometrist in Newport Beach, California and active in the NPI registry since July 2025. The organization lists David B Rosenblum, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Nusite Optometry is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Nusite Optometry, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (10)
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 Nusite Optometry's NPI number?
The NPI number for Nusite Optometry is 1396636932. It was assigned to this organization in the NPPES registry on July 11, 2025. The provider is doing business as Eyesite Optometry.
Where is Nusite Optometry located?
Nusite Optometry is located at 21151 Newport Coast Dr, Newport Beach, CA 92657. The listed phone number is (949) 640-4733.
What is Nusite Optometry's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Nusite Optometry enrolled in Medicare?
Yes. Nusite Optometry is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Nusite Optometry?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians, all in Optometry, reassign their Medicare billing to Nusite Optometry. 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, 1 practice at this address and 3 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 Nusite Optometry was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Nusite Optometry · NPI 1396636932
Optometrist organization in Newport Beach, California. Organization record, active in the CMS NPPES registry since July 11, 2025.
## Identity
- **NPI:** 1396636932 (Entity type: Organization)
- **Enumerated:** July 11, 2025
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Also known as:** Eyesite Optometry (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** David Rosenblum, PRESIDENT
## Practice location
- **Address:** 21151 NEWPORT COAST DR, Newport Beach, CA 92657-1122
- **Phone:** (949) 640-4733
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians (Optometry) reassign Medicare billing to this organization (form CMS-855R); 1 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 11, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1396636932) · Data from the CMS NPPES public registry.