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Access control systems have become integral to every organization's defensive arsenal to protect sensitive information and ensure that businesses comply with data privacy regulations. The goal is to block out anyone who shouldn't be able to get their hands on sensitive information. Authorization solutions like access control help keep sensitive information safe by enforcing strict rules against unauthorized users. This study investigates the difficulties of pushback request response management in P2P electronic health records (EHRs) and suggests a blockchain-enabled EHR for a decentralized P2P healthcare facility. To prevent privacy breaches in the blockchain network and to make information more easily accessible, a new method of authentic access control has been created and implemented. The PRR is an innovative method proposed where security-based mathematical representation and modelling on EHR datasets create a proven security aspect of data privacy. We tested on-chain and off-chain computing modalities by implementing them. Simulations with our implementation show that our suggested pushback request response to medical data significantly lowers the overall peak request. The off-chain computing method offers lower delay time and overhead than the on-chain mode while maintaining the same level of system integrity. In addition, we evaluated the suggested method in terms of its performance and security, and we compared it to an existing hybrid method while taking into account data from the New York State Department of Health. [ABSTRACT FROM AUTHOR]