STANLEY YU MD
NPI 1184763112
Internal Medicine - Gastroenterology in Fremont, CA
About Stanley Yu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STANLEY YU MD (NPI 1184763112) is an individual gastroenterology provider in Fremont, California, licensed in California (A88044) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (2002).
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 and accepts Medicare assignment
Stanley Yu Md 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 Stanley Yu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1013950807 (California), NPI 1104067115 (California), NPI 1982845186 (California), NPI 1568851327 (California)
- 313 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 5
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 94538 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.
FREMONT, CA 94538
FREMONT, CA 94538
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 Stanley Yu's NPI number?
The NPI number for Stanley Yu is 1184763112. It was assigned to this individual provider in the NPPES registry on February 6, 2007.
Where is Stanley Yu located?
Stanley Yu practices at 3200 Kearney St, Fremont, CA 94538. The listed phone number is (510) 490-1222.
What is Stanley Yu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Stanley Yu enrolled in Medicare?
Yes. Stanley Yu 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 Stanley Yu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stanley Yu reassigns Medicare benefits to Sutter Bay Medical Foundation (Fremont, 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 Stanley Yu'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 Stanley Yu was last updated on May 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.