DR. FOY WALLACE COX M.D.
NPI 1184611048
Dermatology in Yuba City, CA
About Dr. Foy Wallace Cox M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FOY WALLACE COX M.D. (NPI 1184611048) is an individual dermatology provider in Yuba City, California, licensed in California (G037342) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Kentucky College Of Medicine (1977).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Foy Wallace Cox M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Foy Cox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Yuba City, CA 95991
- Reassigned Medicare billing, California enrollment
- 3,056 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 20
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 95991 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
YUBA CITY, CA 95991
YUBA CITY, CA 95991
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 Foy Cox's NPI number?
The NPI number for Foy Cox is 1184611048. It was assigned to this individual provider in the NPPES registry on October 5, 2005.
Where is Foy Cox located?
Foy Cox practices at 350 Del Norte Ave, Yuba City, CA 95991. The listed phone number is (530) 671-4182.
What is Foy Cox's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Foy Cox enrolled in Medicare?
Yes. Foy Cox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Foy Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Foy Cox reassigns Medicare benefits to Sutter Valley Medical Foundation (Yuba City, 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 Foy Cox'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 Foy Cox was last updated on July 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.