GRACE KWON CORPORATION
NPI 1255898706
Psychiatry & Neurology - Psychiatry in Tustin, CA
About Grace Kwon Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE KWON CORPORATION (NPI 1255898706) is a healthcare organization registered as a psychiatry in Tustin, California and active in the NPI registry since February 2019. The organization lists Grace Kwon, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grace Kwon Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Grace Kwon Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Kwon Corporation's NPI number?
The NPI number for Grace Kwon Corporation is 1255898706. It was assigned to this organization in the NPPES registry on February 20, 2019.
Where is Grace Kwon Corporation located?
Grace Kwon Corporation is located at 17452 Irvine Blvd Ste 213, Tustin, CA 92780. The listed phone number is (657) 371-6977.
What is Grace Kwon Corporation's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Grace Kwon Corporation enrolled in Medicare?
Yes. Grace Kwon Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Grace Kwon Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Grace Kwon Corporation. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Grace Kwon Corporation was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 Kwon Corporation · NPI 1255898706
Psychiatry organization in Tustin, California. Organization record, active in the CMS NPPES registry since February 20, 2019.
## Identity
- **NPI:** 1255898706 (Entity type: Organization)
- **Enumerated:** February 20, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **Also known as:** Grace Kwon Corporation (Former Legal Business Name)
- **Organization subpart:** No
- **Authorized official:** Grace Kwon, PRESIDENT
## Practice location
- **Address:** 17452 IRVINE BLVD STE 213, Tustin, CA 92780-3031
- **Phone:** (657) 371-6977
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Psychiatry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255898706) · Data from the CMS NPPES public registry.