Mercor is hiring Primary Care Physicians (PCPs) on behalf of a leading healthcare AI partner building next-generation clinical intelligence systems and AI agents. These systems are designed to automate complex clinical workflows, enhance decision-making, and improve care delivery at scale. In this role, you will work closely with AI researchers and engineers to ensure that medical AI systems are clinically accurate, safe, and aligned with real-world practice. Your expertise will directly contribute to building AI that can interpret, reason over, and act on clinical data across healthcare workflows.

Key Responsibilities

Clinical Data Annotation & Structuring

Review and annotate clinical text, EHR data, and patient case notes

Identify diagnoses, co-morbidities, treatment plans, and outcomes

Structure complex medical information for AI training and reasoning

Quality Assurance & Clinical Validation

Audit annotated datasets to ensure high clinical accuracy and consistency

Validate AI-generated outputs, including summaries, recommendations, and care pathways

Ensure outputs align with real-world standards of care and clinical guidelines

Clinical Knowledge Integration

Contribute to the development of annotation guidelines, taxonomies, and decision frameworks

Define edge cases and nuanced clinical scenarios

Collaborate with cross-functional teams to improve model understanding of medical context

AI Model Evaluation & Feedback

Evaluate AI systems designed to support clinical workflows and decision-making

Flag inaccuracies, hallucinations, or unsafe outputs

Provide structured feedback to improve model performance iteratively

Workflow & Systems Thinking

Help map real-world clinical workflows (documentation, diagnosis, treatment planning) into AI-compatible processes

Support development of AI systems that integrate seamlessly into healthcare operations

Documentation & Training Support

Contribute to clinical documentation standards for AI systems

Assist in onboarding and training new clinical annotators

Requirements

MD or DO

Board-certified or board-eligible

Active medical license in good standing

2+ years of clinical experience, preferably in inpatient or hospitalist settings

Academic hospital experience preferred

Why Join

Work on cutting-edge AI systems transforming healthcare workflows

Directly shape how AI understands and supports real-world clinical decision-making

Collaborate with top AI researchers and engineers

We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.