From Single Chatbots to Governed Agent Ecosystems: An Agentic AI Pattern Catalogue and Orchestration Framework for Mission-Critical Hospital Information Management Systems

Manideep Dhar (), Ritwik Singh () and Sharat Chandra Kumar Manikonda ()

International Journal of Innovative Science and Research Technology (IJISRT), 2026, vol. 11, issue 07, 1851-1884

Abstract: Hospitals are racing to embed Artificial Intelligence (AI), while coping with the surge in adaptation of the technology in other industries, into the triage management, documentation, scheduling, and revenue-cycle workflows, yet most deployments remain as fragmented pilots that stall at the edge of production, exposing patients and institutions to operational fragility, ungoverned risk, and mounting technical debt. At the same time, the global AI-in-healthcare market is projected to exceed nearly USD 1 trillion by 2034, according to the report of Fortune Business Insights, amplifying the financial consequences of architectural missteps and failed scaling strategies. This research proposes a compliance-first Agentic AI pattern catalogue and orchestration framework, purposely built for Hospital Information Management Systems (HIMS), moving beyond the single Large Language Model (LLM) chatbots and towards a governed ecosystem of autonomous and semi-autonomous agents. The framework extends by adding (i) a taxonomy of Agentic roles (conversational, orchestration, reconciliation, auditing, and decision-support agents), (ii) a formal risk-stratification model that maps each pattern to risk tiers, human-in-the-loop checkpoints, and governance hooks, and (iii) a unified orchestration runtime capable of coordinating multi-agent workflows across EHR/HIMS landscapes such as Epic, Cerner, and MEDITECH. Technically, the framework combines vLLM (Virtual Large Language Model)-based inference, optimized paging memory, confidential computing, and Model Context Protocol (MCP) based on-premise deployment, enforcing endto-end encryption and policy-as-code controls aligned with HIPAA, GDPR, the EU AI Act, India’s DPDP and DISHA Acts, ISO 27001, ISO 27002, ISO 14971, and IEC 62304. Using synthetic but structurally realistic and reflecting the complexities of the hospital data generated using Synthea, and controlled pilot deployment and functional run, we exhibit how the proposed architecture is capable and efficient to reduce the documentation time, integration effort, and AI pilot attrition while constriction the governance and auditability, offering hospital leaders and governing authorities an urgently needed blueprint to convert AI investment into sustainable clinical, operational, and financial ROI.

Keywords: Agentic AI in Healthcare; Hospital Management Information System; Multi-Agent LLM and vLLM Optimization; HIPAA; GDPR; EU AI Act; Policy-as-Code for Clinical AI Governance; Secured Computing for Protected Health Information; FHIR-Native AI Integration; SMART on FHIR; AI-Driven Hospital Workflow Automation; Risk-Tiered Clinical Decision Support Agents; AI in Hospital Management Information System; Agentic AI; MCP; On-Premise and Hybrid MCP-Enabled Healthcare AI. (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:cvr:ijisrt:2026:07:ijisrt26jul830

DOI: 10.38124/ijisrt/26jul830

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