OrganizationActive
Gregory K. Yun
NPI 1255517280 · Chiropractor · Garden Grove, CA
Gregory K. Yun is a Chiropractor organization in Garden Grove, CA (NPI 1255517280).
Provider details
- NPI number
- 1255517280
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Gregory Yun, Owner(714) 638-7410
- License
- DC23414 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
13071 Brookhurst St.
Suite #130
Garden Grove, CA 92843
Phone: (714) 638-7410
Fax: (714) 638-7420
Street-level locationGet directions
Mailing address
13071 Brookhurst St.
Garden Grove, CA 92843
Registry dates
- Enumerated
- 2008-01-22
- Last updated
- 2012-03-01
Frequently asked questions
- What is Gregory K. Yun's NPI number?
- Gregory K. Yun's National Provider Identifier (NPI) is 1255517280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory K. Yun?
- Gregory K. Yun is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Gregory K. Yun located?
- Gregory K. Yun's practice location on file with NPPES is 13071 Brookhurst St., Garden Grove, CA 92843.
- What is Gregory K. Yun's phone number?
- The practice phone number listed in the NPPES registry for Gregory K. Yun is (714) 638-7410.
- Who is the authorized official for Gregory K. Yun?
- The authorized official listed on Gregory K. Yun's NPPES record is Gregory Yun, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory K. Yun's NPI active?
- Yes — Gregory K. Yun's NPI (1255517280) is active in the NPPES registry as of the last update on 2012-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.