DR. JULIET YUAN MD
NPI 1639602808
Emergency Medicine in Newtonville, MA
About Dr. Juliet Yuan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JULIET YUAN MD (NPI 1639602808) is an individual emergency medicine provider in Newtonville, Massachusetts, licensed in California (A171004) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Juliet Yuan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Juliet Yuan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 197 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 4
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 02460 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Juliet Yuan's NPI number?
The NPI number for Juliet Yuan is 1639602808. It was assigned to this individual provider in the NPPES registry on April 5, 2017.
Where is Juliet Yuan located?
Juliet Yuan practices at 355 Crafts St, Newtonville, MA 02460. The listed phone number is (617) 953-7447.
What is Juliet Yuan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Juliet Yuan enrolled in Medicare?
Yes. Juliet Yuan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Juliet Yuan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Juliet Yuan reassigns Medicare benefits to 2 organizations: Solano Gateway Medical Group Inc (Fairfield, CA) and Emergency Physicians Associates San Jose PC (San Jose, CA). Each 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 Juliet Yuan'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 Juliet Yuan was last updated on August 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.