1750 S. Telegraph Rd., Ste 205 · Bloomfield Hills, MI 48302
Open today: 7:30 AM–4:30 PM(248) 333-2900
Some of GSG's Doctors at a Conference
Meet the team

Our doctors

For more than three decades our surgeons have been dedicated to improving the lives of our patients through high-quality, comprehensive eye care.
Les D. Grosinger, MDProvider portrait

Les D. Grosinger, MD

Cataract & Refractive Surgeon
Founding partner and a leader in premium-lens cataract surgery and laser vision correction; principal FDA investigator for multiple advanced lens implants.
David S. Grey, MDProvider portrait

David S. Grey, MD

Cataract & Refractive Surgeon
Cataract and refractive surgeon with deep expertise in no-stitch cataract surgery, glaucoma, and diabetic eye disease.
Marc J. Siegel, MDProvider portrait

Marc J. Siegel, MD

Glaucoma & Cataract Surgeon
A specialist in complex glaucoma and cataract surgery, and a widely published author and educator across three Michigan medical schools.
Ryan Cosgrove, DOProvider portrait

Ryan Cosgrove, DO

Cataract & Refractive Surgeon
Manages a broad range of medical and surgical eye conditions, with expertise in advanced-lens cataract surgery, LASIK, and eyelid surgery.
David Portney, MDProvider portrait

David Portney, MD

Cataract & Refractive Surgeon
Comprehensive ophthalmologist specializing in cataract and refractive surgery, diabetic eye disease, and glaucoma — University of Michigan trained throughout.
Maryann Robin, ODProvider portrait

Maryann Robin, OD

Optometrist · Dry Eye Specialist
Compassionate optometrist specializing in comprehensive eye exams and dry eye treatment, with training in ocular disease and low-vision rehabilitation.
Alan V. Spigelman, MDProvider portrait

Alan V. Spigelman, MD

Cataract & Refractive Surgeon (Retired)
Pioneer of LASIK/PRK and advanced cataract and corneal surgery; among the first in the U.S. to perform DSAEK.