ROBERT ROSEN
NPI 1093785123
Ophthalmology in Santa Cruz, CA
About Robert Rosen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT ROSEN (NPI 1093785123) is an individual ophthalmology provider in Santa Cruz, California, licensed in California (G34129) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert Rosen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Robert Rosen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Las Vegas, NV 89147
- Reassigned Medicare billing, Nevada enrollment
- 75 clinicians in this Medicare group
Las Vegas, NV 89128
- Reassigned Medicare billing, Nevada enrollment
- 63 clinicians in this Medicare group
Las Vegas, NV 89103
- Reassigned Medicare billing, Nevada enrollment
- 10 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Robert Rosen's NPI number?
The NPI number for Robert Rosen is 1093785123. It was assigned to this individual provider in the NPPES registry on January 23, 2006.
Where is Robert Rosen located?
Robert Rosen practices at 2025 Soquel Ave, Santa Cruz, CA 95062. The listed phone number is (831) 458-5640.
What is Robert Rosen's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Robert Rosen enrolled in Medicare?
Yes. Robert Rosen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Rosen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Rosen reassigns Medicare benefits to 3 organizations: Girisgen & Kopolow Od PC (Las Vegas, NV), Kopolow & Girisgen Professional Corporation (Las Vegas, NV) and David I Malitz MD., PC (Las Vegas, NV). Each 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 Robert Rosen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Rosen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.