The DPO cannot write specific legal contracts for Practices as this would put it in a conflict of interest and impact on its impartiality and independence.
However, the DPO can offer advice on what the GDRP and ICO say, to support practices and their legal advisers in drawing up contracts. The FAQs on this page are part and parcel of this.
In addition, you can download a handy 1-page summary of the ICO advice on minimum requirements for Processor Contracts by clicking here