John Hakkyun Kim, D.O.
Family Medicine Physician · Costa Mesa, CA
John Hakkyun Kim, D.O. is a family medicine physician with a practice address in Costa Mesa, California, and NPI 1598032559, issued on Nov 18, 2011. Check the license (California 20A11648, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Hakkyun Kim
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A11648 CA
114581 AK
006843 AZ
DR.0057596 CO
DOS-1793 HI
and 7 more
Self-reported in NPPES; status is on the state search - Practice location
- 3195 Harbor Blvd Ste 3, Costa Mesa, CA 92626
- Phone
- (714) 263-0227
- Enumerated
- Nov 18, 2011
- Record last updated
- Sep 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3195 Harbor Blvd Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet RheePhysician Assistant1194292193
Verify John Hakkyun Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A11648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Hakkyun Kim among 17,133 family medicine physician records in California
John Hakkyun Kim, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family medicine physician records list a practice address in Costa Mesa
They are 56 of the 4,286 NPPES records with a practice address in Costa Mesa, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in Costa Mesa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Bangsil, MDCosta Mesa, CA 926261043261654
- David Chun, MDCosta Mesa, CA 926261932199213
- James Ferguson, DOCosta Mesa, CA 926261689625212
- Sienna Go, M.D.Costa Mesa, CA 926261295759298
- Guy Gottschalk, M.D.Costa Mesa, CA 926261235228750
- Joseph Horejsi, MDCosta Mesa, CA 926261295726347
- Michael Kao, M.D.Costa Mesa, CA 926261316953805
- Ena Kariya, MDCosta Mesa, CA 926261588655658
Common questions
What is John Hakkyun Kim, D.O.'s NPI number?
John Hakkyun Kim, D.O.'s National Provider Identifier (NPI) is 1598032559, issued on Nov 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Hakkyun Kim, D.O. located?
The NPPES record lists a practice address at 3195 Harbor Blvd Ste 3, Costa Mesa, CA, 92626. Phone: (714) 263-0227. Providers update this record themselves, so call before visiting.
How can I verify John Hakkyun Kim, D.O.'s license?
NPPES lists California license number 20A11648, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.