GRACE STAR RYU FNP
NPI 1700766938
Nurse Practitioner - Family in Buena Park, CA
About Grace Star Ryu Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE STAR RYU FNP (NPI 1700766938) is an individual family provider in Buena Park, California, licensed in California (95036897) and active in the NPI registry since September 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
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
Grace Star Ryu Fnp 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 Grace Ryu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redding, CA 96001
- Reassigned Medicare billing, California enrollment
- 14 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 90621 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 Grace Ryu's NPI number?
The NPI number for Grace Ryu is 1700766938. It was assigned to this individual provider in the NPPES registry on September 8, 2025.
Where is Grace Ryu located?
Grace Ryu practices at 63 Candlewood Way, Buena Park, CA 90621. The listed phone number is (310) 227-0653.
What is Grace Ryu's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Grace Ryu enrolled in Medicare?
Yes. Grace Ryu 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 Grace Ryu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Ryu reassigns Medicare benefits to Pacific Interventional Neurosciences (Redding, CA). 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 Grace Ryu'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 Grace Ryu was last updated on September 8, 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.
# Grace Star Ryu, FNP · NPI 1700766938
Family physician in Buena Park, California. Individual provider, active in the CMS NPPES registry since September 8, 2025.
## Identity
- **NPI:** 1700766938 (Entity type: Individual)
- **Enumerated:** September 8, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95036897 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 63 CANDLEWOOD WAY, Buena Park, CA 90621-1005
- **Phone:** (310) 227-0653
## 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:** Pacific Interventional Neurosciences (NPI 1427735612, Redding, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** September 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1700766938) · Data from the CMS NPPES public registry.