1062 Barnes Road, Suite 305. Wallingford, CT 06492-6013. Tel: 203-949-0450. Fax: 203-315-7072. County Obstetrics and Gynecology Group, P.C. is dedicated to caring for the special health needs of women of all ages, whether they are just entering puberty, expecting a baby, or navigating menopause.Our Providers‧Returning Gyn Patient‧Covid-19 Updates‧Patient Resources‧New Gyn Patient‧About Us.