DR. RUTH KUO M.D.
NPI 1568704658
Anesthesiology in Los Angeles, CA
About Dr. Ruth Kuo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RUTH KUO M.D. (NPI 1568704658) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A146518) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
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
Dr. Ruth Kuo M.d. 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 Reassignment
Medicare enrollment records show Ruth Kuo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Renton, WA 98055
- Reassigned Medicare billing, Washington enrollment
- 67 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 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Medical Center
Acute Care Hospitals · Renton, WAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90012
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 Ruth Kuo's NPI number?
The NPI number for Ruth Kuo is 1568704658. It was assigned to this individual provider in the NPPES registry on March 27, 2013.
Where is Ruth Kuo located?
Ruth Kuo practices at 531 W College St, Los Angeles, CA 90012. The listed phone number is (213) 624-8411.
What is Ruth Kuo's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ruth Kuo enrolled in Medicare?
Yes. Ruth Kuo 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 organization bills Medicare for Ruth Kuo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Kuo reassigns Medicare benefits to Valley Anesthesia Associates, PLLC (Renton, WA). 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 Ruth Kuo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ruth Kuo affiliated with any hospitals?
According to CMS data, Ruth Kuo is affiliated with Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Ruth Kuo was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Ruth Kuo, M.D. · NPI 1568704658
Anesthesiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 27, 2013.
## Identity
- **NPI:** 1568704658 (Entity type: Individual)
- **Enumerated:** March 27, 2013
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A146518 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 531 W COLLEGE ST, Los Angeles, CA 90012-2315
- **Phone:** (213) 624-8411 · **Fax:** (213) 680-0977
## 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:** Valley Anesthesia Associates, PLLC (NPI 1033165097, Renton, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** March 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1568704658) · Data from the CMS NPPES public registry.