351 E. Rolling Oaks Drive
Suite 102
Thousand Oaks, CA 91361

Tel: 805.497.3744
Fax: 805.497.1663

1445 E. Los Angeles Avenue
Suite 104
Simi Valley, CA 93065

Tel: 805.527.6720
Fax: 805.527.1889

5643 Kanan Road
Agoura Hills, CA 91301

Tel: 818.889.2020
Fax: 818.706.0288


Physician Staff

Joel M. Corwin, M.D.
Medical Director
Retina-Vitreous Specialist
Diabetic Retinopathy
Diabetic Evaluation and Care
Research Studies

William C. Stivelman, M.D.
Medical Ophthalmology & Glaucoma
Forensic Ophthalmology
Qualified Medical Evavluator, State of CA

Daniel A. Ebroon, M.D.
Plastic & Reconstructive Surgery
Cosmetic Eyelid Surgery
Forehead & Brow Lifts

John L. Davidson, M.D.
LASIK Surgery
Refractive Surgery
Glaucoma Surgery
Cataract Surgery
Pediatric Ophthalmology
Adult Strabismus Surgery

Shayna Mangers, M.D.
Glaucoma Specialist

Andrew Young, M.D.
Glaucoma Specialist

Ashish Toor, M.D.
Comprehensive Ophthalmology

John P. Fang, M.D.
Cataract Lens Implants
Cataract Surgery
Refractive Surgery/LASIK/PRK
Corneal Transplant Surgery
Treatment of Corneal Infections
Pterygium & Graft Surgery
Dry Eye Specialist / Punctal Plugs
Comprehensive Adult & Adolescent Eye Care

Benica Eyvazzadeh, O.D.
Comprehensive Optometry
Contact Lenses

David I. Halpert, O.D.
Comprehensive Optometry
Contact Lenses
Children's Vision Care

Patient Experience Survey

Click here for Physicians' Biographies


Conejo-Simi Eye Medical Group

Latest News

Shayna Mangers, M.D., Ashish Toor, M.D., John Fang, M.D. and David Halpert, O.D. have joined our practice. Click here to read their bios »
Shayna Mangers, M.D. Ashish Toor, M.D. John P. Fang, M.D.

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The Conejo Simi Eye Medical Group was founded in 1969 by Henry F. Curry, Jr., MD and the late Stephen S. Schonberg, M.D.

In association with its sister practice, Miramar Eye Specialists Medical Group, Conejo Simi Eye Medical Group has the resources of the fifth-largest independent private practice in California, with eight doctors who represent each of the eye surgery and medical eye care specialties, including:


The sole mission of our dedicated, professional staff and doctors is to provide excellent, comprehensive patient care in a friendly, caring and efficient environment. Most of our surgeries are performed in our own state-of-the-art Surgery Centers.





Patient Experience Survey