Plymouth Bay Internal Medicine. 45 Resnick Road #302. Plymouth, MA 02360. Phone: (508) 746-2696 (508) 746-2696. Fax: (774) 338-5388 (774) 338-5388. Get Directions. Call. About Gregory J. Robke, MD. Affiliations. Member of Cape Cod Preferred Physicians; Board Certifications. American Board of Internal Medicine;.