JUDI YAMAMOTO MD
NPI 1346334463
Pediatrics in Los Altos, CA
About Judi Yamamoto Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUDI YAMAMOTO MD (NPI 1346334463) is an individual pediatrics provider in Los Altos, California, licensed in California (G79868) and active in the NPI registry since October 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)
Judi Yamamoto Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Judi Yamamoto 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94022 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 Judi Yamamoto's NPI number?
The NPI number for Judi Yamamoto is 1346334463. It was assigned to this individual provider in the NPPES registry on October 3, 2006.
Where is Judi Yamamoto located?
Judi Yamamoto practices at 370 Distel Cir, Los Altos, CA 94022. The listed phone number is (650) 254-5200.
What is Judi Yamamoto's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Judi Yamamoto enrolled in Medicare?
Yes. Judi Yamamoto is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Judi Yamamoto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Judi Yamamoto 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 Judi Yamamoto'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 Judi Yamamoto was last updated on March 4, 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.
# Judi Yamamoto, MD · NPI 1346334463
Pediatrics physician in Los Altos, California. Individual provider, active in the CMS NPPES registry since October 3, 2006.
## Identity
- **NPI:** 1346334463 (Entity type: Individual)
- **Enumerated:** October 3, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** G79868 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 370 DISTEL CIR, Los Altos, CA 94022-1404
- **Phone:** (650) 254-5200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 4, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1346334463) · Data from the CMS NPPES public registry.