RITA FONG OD
NPI 1912072042
Optometrist in Sunnyvale, CA
About Rita Fong Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RITA FONG OD (NPI 1912072042) is an individual optometrist in Sunnyvale, California, licensed in California (OPT8271) and active in the NPI registry since November 2006. She 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)
Rita Fong Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Rita Fong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94085 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 Rita Fong's NPI number?
The NPI number for Rita Fong is 1912072042. It was assigned to this individual provider in the NPPES registry on November 22, 2006.
Where is Rita Fong located?
Rita Fong practices at 323-325 North Mathilda Ave, Sunnyvale, CA 94085. The listed phone number is (408) 524-5900.
What is Rita Fong's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Rita Fong enrolled in Medicare?
Yes. Rita Fong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Rita Fong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rita Fong reassigns Medicare benefits to Sutter Bay Medical Foundation (Palo Alto, CA). 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 Rita Fong'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 Rita Fong was last updated on July 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.