You receive first-class obstetric and gynecology care at Gulfcoast Institute of OB/GYN in St. Petersburg, Florida. ... Gulfcoast Institute of OB/GYN LLC. Patient Portal - View Your Medical Record. Call us: 727-344-4651. For appointments email: Email: appts@gulfcoastobgynfl.com. Find us on: 6700 Crosswinds Dr. N Ste. 200A St. Petersburg, FL ....