NPPES file of Aug 9, 2026

Gihyun Myung

Rheumatology Physician · Fountain Valley, CA

Gihyun Myung is a rheumatology physician with a practice address in Fountain Valley, California, and NPI 1902160922, issued on Jun 25, 2012. Check the license (California 129272, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902160922
Name
Gihyun Myung
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
129272 CA
Self-reported in NPPES; status is on the state search
Practice location
11100 Warner Ave Ste 200, Fountain Valley, CA 92708
Phone
(949) 569-3034
Enumerated
Jun 25, 2012
Record last updated
Jan 10, 2025
Medicare enrollment
Enrolled (PECOS I20241113002026); may accept Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 11100 Warner Ave Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Felina Innaci Dass, MDInternal Medicine Physician1942828967

Verify Gihyun Myung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 129272
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Complete Care Community Health Center, IncLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gihyun Myung among 926 rheumatology physician records in California

Gihyun Myung is one of 926 rheumatology 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. Its NPI, issued in 2012, is newer than 71% of them.

  • NPI issued2012 · 71% of these records are older, 25% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2012 · median 2003 among the 641 with a school on file
  • Record last updated2025 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in California

There are 926 rheumatology physician records in California.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Ana Maheshwari, MDFountain Valley, CA 927081306259130
  2. Gharoon Panahi, MDFountain Valley, CA 927081912956053
  3. Ronald Kaufman, MDSanta Ana, CA 927071053302000
  4. Jeff Sarkozi, M.D.Santa Ana, CA 927051699812388
  5. Krishan Khurana, MDSanta Ana, CA 927011972606549
  6. Hernan Castro-Rueda, M.D.Mission Viejo, CA 926911720162092
  7. Catherine Driver, M.D.Mission Viejo, CA 926911356469266
  8. Fatemeh Jafari Farshami, M.D.Mission Viejo, CA 926911386049260

Common questions

What is Gihyun Myung's NPI number?

Gihyun Myung's National Provider Identifier (NPI) is 1902160922, issued on Jun 25, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Gihyun Myung located?

The NPPES record lists a practice address at 11100 Warner Ave Ste 200, Fountain Valley, CA, 92708. Phone: (949) 569-3034. Providers update this record themselves, so call before visiting.

How can I verify Gihyun Myung's license?

NPPES lists California license number 129272, 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. Medicare files from data.cms.gov. 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.