KARA ASHLEY YEUNG MD
NPI 1891255220
Emergency Medicine in Stanford, CA
About Kara Ashley Yeung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARA ASHLEY YEUNG MD (NPI 1891255220) is an individual emergency medicine provider in Stanford, California, licensed in California (A184915) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Kara Ashley Yeung 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 Reassignments
4Medicare enrollment records show Kara Yeung reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 526 clinicians in this Medicare group
National City, CA 91950
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The University Of California
- 221 clinicians in this Medicare group
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 4,258 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 94305 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Kara Yeung's NPI number?
The NPI number for Kara Yeung is 1891255220. It was assigned to this individual provider in the NPPES registry on March 21, 2019.
Where is Kara Yeung located?
Kara Yeung practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Kara Yeung's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Kara Yeung enrolled in Medicare?
Yes. Kara Yeung 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 organizations bill Medicare for Kara Yeung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kara Yeung reassigns Medicare benefits to 4 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA), Regents Of The University Of California (San Diego, CA), Regents Of The Unviersity Of California (National City, CA) and Stanford Health Care (Pleasanton, 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 Kara Yeung'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 Kara Yeung was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Kara Ashley Yeung, MD · NPI 1891255220
Emergency Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 21, 2019.
## Identity
- **NPI:** 1891255220 (Entity type: Individual)
- **Enumerated:** March 21, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A184915 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Regents Of The University Of California (NPI 1003934803, San Diego, CA); Regents Of The Unviersity Of California (NPI 1275722415, National City, CA); Stanford Health Care (NPI 1124561758, Pleasanton, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891255220) · Data from the CMS NPPES public registry.