GRACE S AHN
NPI 1295317816
Student in an Organized Health Care Education/Training Program in La Jolla, CA
About Grace S Ahn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE S AHN (NPI 1295317816) is an individual student in an organized health care education/training program in La Jolla, California and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2022).
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 (PECOS)
Grace S Ahn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Grace Ahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92109
- Reassigned Medicare billing, California enrollment
- 1,100 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.
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.
LA JOLLA, CA 92093
LA JOLLA, CA 92093
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 Ahn's NPI number?
The NPI number for Grace Ahn is 1295317816. It was assigned to this individual provider in the NPPES registry on April 23, 2021.
Where is Grace Ahn located?
Grace Ahn practices at 9500 Gilman Dr, La Jolla, CA 92093. The listed phone number is (858) 534-0830.
What is Grace Ahn's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Grace Ahn enrolled in Medicare?
Yes. Grace Ahn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Grace Ahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Ahn reassigns Medicare benefits to Family Health Centers Of San Diego, Inc (San Diego, 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 Ahn'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 Ahn was last updated on April 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Grace S Ahn · NPI 1295317816
Student in an Organized Health Care Education/Training Program provider in La Jolla, California. Individual provider, active in the CMS NPPES registry since April 23, 2021.
## Identity
- **NPI:** 1295317816 (Entity type: Individual)
- **Enumerated:** April 23, 2021
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 9500 GILMAN DR, La Jolla, CA 92093-5004
- **Phone:** (858) 534-0830
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Family Health Centers Of San Diego, Inc (NPI 1386689701, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** April 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1295317816) · Data from the CMS NPPES public registry.