Grace Kwon Corporation
NPI 1255898706 · Psychiatry Physician · Tustin, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Kwon Corporation is a Psychiatry Physician organization in Tustin, CA (NPI 1255898706).
Provider details
- NPI number
- 1255898706
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Grace Kwon, President(310) 753-5805
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- Grace Kwon Corporation
- Former legal business name
- Grace Kwon Corporation
Registry dates
- Enumerated
- 2019-02-20
- Last updated
- 2026-02-11
- Certified
- 2026-02-11
Frequently asked questions
- What is Grace Kwon Corporation's NPI number?
- Grace Kwon Corporation's National Provider Identifier (NPI) is 1255898706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grace Kwon Corporation?
- Grace Kwon Corporation is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Grace Kwon Corporation located?
- Grace Kwon Corporation's practice location on file with NPPES is 17452 Irvine Blvd Ste 213, Tustin, CA 92780-3031.
- What is Grace Kwon Corporation's phone number?
- The practice phone number listed in the NPPES registry for Grace Kwon Corporation is (657) 371-6977.
- Does Grace Kwon Corporation accept Medicare?
- Grace Kwon Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grace Kwon Corporation?
- The authorized official listed on Grace Kwon Corporation's NPPES record is Grace Kwon, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grace Kwon Corporation's NPI active?
- Yes — Grace Kwon Corporation's NPI (1255898706) is active in the NPPES registry as of the last update on 2026-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.