NATALIE ROSE OUK OD
NPI 1477031904
Optometrist in Gilbert, AZ
About Natalie Rose Ouk Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATALIE ROSE OUK OD (NPI 1477031904) is an individual optometrist in Gilbert, Arizona, licensed in Arizona (OPT-002293) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Natalie Rose Ouk Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Natalie Ouk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kapolei, HI 96707
- Reassigned Medicare billing, Hawaii enrollment
- 3 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 85234 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 3
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 Natalie Ouk's NPI number?
The NPI number for Natalie Ouk is 1477031904. It was assigned to this individual provider in the NPPES registry on August 6, 2018.
Where is Natalie Ouk located?
Natalie Ouk practices at 1672 E Guadalupe Rd Ste 111, Gilbert, AZ 85234. The listed phone number is (480) 892-6495.
What is Natalie Ouk's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Natalie Ouk enrolled in Medicare?
Yes. Natalie Ouk is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Natalie Ouk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Ouk reassigns Medicare benefits to Nancy Chen, MD, Inc (Kapolei, HI). The 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 Natalie Ouk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natalie Ouk accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 2 other insurers list Natalie Ouk 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 Natalie Ouk was last updated on August 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.