Talk to Urologist on Skin Tags / Skin Lumps / Wrats Or Any Other Thing

Iam worried about tiny skin lumps which pop up on my penis. i ignored it when two of them were initially developed an year back. However recently i have noticed that 6-7 more skin lumps pop put which is driving me crazy. Is this indication of something serious. They do not cause any pain or irritation. i thought it is a dead skin but they are not. it can be stretch with finger nail. tiny skin is soft and becomes round. please inform me which doctor to consult. as i feel shy. i didnt went to general physician as yet because i doubt that general physician will have look on it. i have tried to search about them on google. and found their appearance is very near to skin tags however iam still not sure. please guide.