Dr. John Ilsun Ryu , OD
Optometrist • Simi Valley, CA
Professional Overview & Biography Verified Profile Summary
Dr. John Ryu, OD is a registered healthcare professional specializing in Optometrist in Simi Valley, CA. Practice services are available at 690 E LOS ANGELES AVE under active NPI credentials.
Practice Location & Contact Primary Location
690 E Los Angeles Ave
Suite A
Simi Valley, CA 930651857
Specialty Benchmarks & Practice Insights
Comparative analytics for Optometrist in Simi Valley, CA
Practicing in Simi Valley, CA (8588 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2024-07-15NUCC Taxonomy Code: 152W00000X
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 1194 KNOTTINGHAM ST, SIMI VALLEY, CA 930655167 (Tel: 6263763513)
NPI status registered as active in NPPES database
Registered at 690 E LOS ANGELES AVE, SUITE A, SIMI VALLEY, CA 930651857 (Tel: 6263763513)
Registered at 556 E PALM AVE, UNIT 303, BURBANK, CA 915012192 (Tel: 6263763513)
Recorded as JOHN RYU, O.D.
Optometrist (License #11209T in CA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Dr. John Ryu
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
1194 Knottingham St
Simi Valley, CA 930655167
Phone: 6263763513
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.