Our Physicians

The doctors who lead our studies.

Experienced Arizona physicians with their own patients and a commitment to careful research. The physician leading a study is responsible for its conduct, for participant safety, and for the integrity of the data.

Dr. Mashood Sajjad

Dr. Mashood Sajjad, M.D.

Principal Investigator · Internal Medicine

Years in practice: 17 years as of 2026

Dr. Mashood Sajjad is an internal medicine physician in Mesa, Arizona. He centers his practice on building strong, trusting relationships with patients, on preventive care, and on patient education. That continuity, knowing his patients over time, is the foundation he brings to research.

Dr. Madiha Sajjad

Dr. Madiha Sajjad, M.D.

Principal Investigator · Internal Medicine

Years in practice: 12 years as of 2026

Dr. Madiha Sajjad is an internal medicine physician in Mesa, Arizona, with a focus on patient wellbeing and preventive care. She works through personalized treatment plans and collaborative care with specialists, an approach that carries directly into the careful conduct of clinical research.

The standard behind every study

A trusted physician is the start, not the whole answer.

Careful standards

Investigators and their research staff follow established standards for conducting trials ethically and reliably.

IRB reviewed

Every study is reviewed by an Institutional Review Board (IRB) before it begins.

Physician-led safety

A licensed physician is responsible for participant safety throughout each study, supported by protocol-defined monitoring.

Add each physician's confirmed board certifications once verified for both physicians together. Keep profiles to this simple format.

Want to take part in a study?

Reach out and we will explain what is enrolling and whether it may be a fit.

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