KIRSTEN RHEE STEFFNER MD
NPI 1679862668
Anesthesiology in Stanford, CA
About Kirsten Rhee Steffner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIRSTEN RHEE STEFFNER MD (NPI 1679862668) is an individual anesthesiology provider in Stanford, California, licensed in California (A122507) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Kirsten Rhee Steffner 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
2Medicare enrollment records show Kirsten Steffner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Kirsten Steffner's NPI number?
The NPI number for Kirsten Steffner is 1679862668. It was assigned to this individual provider in the NPPES registry on March 31, 2011. The provider is also known as Kirsten Jiyoung Rhee.
Where is Kirsten Steffner located?
Kirsten Steffner practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Kirsten Steffner's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Kirsten Steffner enrolled in Medicare?
Yes. Kirsten Steffner 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 Kirsten Steffner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kirsten Steffner reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, 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 Kirsten Steffner'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 Kirsten Steffner was last updated on April 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Kirsten Rhee Steffner, MD · NPI 1679862668
Anesthesiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 31, 2011.
## Identity
- **NPI:** 1679862668 (Entity type: Individual)
- **Enumerated:** March 31, 2011
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A122507 (California)
- **Sole proprietor:** No
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** April 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1679862668) · Data from the CMS NPPES public registry.