HYESOOK KIRK
NPI 1669958658
Nurse Anesthetist, Certified Registered in San Francisco, CA
About Hyesook Kirk NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HYESOOK KIRK (NPI 1669958658) is an individual nurse anesthetist, certified registered in San Francisco, California, licensed in California (95001295) and active in the NPI registry since July 2018. She maintains a secondary practice location in New York and is a graduate of Georgetown University School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Hyesook Kirk 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 Hyesook Kirk reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
Daly City, CA 94015
- Reassigned Medicare billing, California enrollment
- 53 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 94116 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 Hyesook Kirk's NPI number?
The NPI number for Hyesook Kirk is 1669958658. It was assigned to this individual provider in the NPPES registry on July 13, 2018.
Where is Hyesook Kirk located?
Hyesook Kirk practices at 2070 42nd Ave, San Francisco, CA 94116. The listed phone number is (917) 885-5721.
What is Hyesook Kirk's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Hyesook Kirk enrolled in Medicare?
Yes. Hyesook Kirk 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 Hyesook Kirk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hyesook Kirk reassigns Medicare benefits to 4 organizations: University Anesthesia Medical Group (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Blue Eagle Anesthesia Inc A Professional Corporation (Daly City, 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 Hyesook Kirk'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 Hyesook Kirk was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Hyesook Kirk · NPI 1669958658
Nurse Anesthetist, Certified Registered physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since July 13, 2018.
## Identity
- **NPI:** 1669958658 (Entity type: Individual)
- **Enumerated:** July 13, 2018
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95001295 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2070 42ND AVE, San Francisco, CA 94116-1023
- **Phone:** (917) 885-5721
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Blue Eagle Anesthesia Inc A Professional Corporation (NPI 1396822326, Daly City, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1669958658) · Data from the CMS NPPES public registry.