Yes, you can combine the total, however not as a 1099-MISC. Keep all of your 1099-NECs together with your tax return. Use the sum total as cash income on your Schedule C.
Open your TurboTax Online return:
- Search > type Schedule C > Click the Jump to... link > Edit beside your business > Add or Edit Income for this work
- Select this option when entering your income: Other self-employed income, includes cash and checks
For TurboTax Desktop open your return:
- Select Business tab > Continue > I'll choose what I work on > Business Income and Expense
- Continue making your entries until you reach the Business Income screen > Select 'Other Income'