Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. JOHN ILSUN RYU, O.D.

Active Sole Proprietor

DR. JOHN ILSUN RYU, O.D. is a Optometrist healthcare provider located in SIMI VALLEY, California. NPI 1609946847 is currently active in the NPPES registry. Verify at CMS.

Optometrist · SIMI VALLEY, CA

Registration Details

NPI Number: 1609946847
Provider Type: Individual
Gender: Male
NPI Issued: Nov 8, 2006 (19.7407909817 yrs)
Last Updated: Jul 15, 2024
License: 11209T (CA)
Sole Proprietor: Yes

Practice Information

Address: 690 E LOS ANGELES AVE

SUITE A

SIMI VALLEY, CA, 930651857
Browse CA providers · Browse ZIP 93065
Phone: 6263763513
Fax: 9052501001
Primary Specialty: Optometrist
152W00000X

Other Optometrist Providers in SIMI VALLEY, CA

Name	Credential	NPI
DR. WILLIAM SAMUEL SHIELDS	O.D.	1538165303
DR. PRAVEEN KUMAR SONTHA	O.D.	1134110703
NELSON MURATA	O.D.	1275509713
DR. THOMAS PATRICK ROGERS	O.D.	1932158094
DR. JAMES K YI	O.D.	1104932193
DR. JAMES DAVID FOSTER	O.D.	1740343482

Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.