Health Policy & Outcomes Research

Evidence that moves
health policy forward

We conduct rigorous, quasi-experimental health policy research to reduce disparities, inform legislation, and improve outcomes for underserved populations across the United States.

80+
Peer-reviewed publications
400+
Citations
H-13
H-index
14
Editorial boards

Our research focus areas

Our work spans quasi-experimental policy evaluation, cancer disparities, social determinants of health, and maternal outcomes.

Health policy evaluation

Rigorous quasi-experimental evaluation of the ACA Medicaid expansion and its downstream impact on access, outcomes, and health disparities.

Cancer outcomes research

Examining insurance-related disparities in cancer screening, treatment, and survival using NCDB, SEER, and linked administrative datasets.

Social determinants of health

Investigating loneliness, adverse childhood experiences, and social isolation as key drivers of chronic morbidity and premature mortality.

Maternal & reproductive health

Studying the effects of landmark policy changes — including post-Dobbs — on pregnancy, maternal mortality, and birth outcomes nationwide.

Biostatistics & methods

Applying difference-in-differences, Cox regression, inverse probability weighting, and survey-weighted methods to large administrative datasets.

Research training & mentorship

Mentoring the next generation of health policy researchers through structured programs, collaborative projects, and skills-building workshops.

Our team

Led by researchers with deep expertise spanning medicine, public health, biostatistics, and health policy.

Dr. Oluwasegun Akinyemi
Oluwasegun Akinyemi, MD, MSc, PhD, FMCOG
Principal Investigator & Director

A physician-scientist trained in obstetrics and gynaecology (FMCOG) with a PhD in Health Services Research, Dr. Akinyemi applies quasi-experimental methods to large national datasets to evaluate how policies such as the Affordable Care Act and Medicaid expansion shape cancer survival, maternal outcomes, and health equity. His work appears in JAMA Network Open, the International Journal of Gynecology & Obstetrics, the American Journal of Surgery, and other leading journals. He is the recipient of the 2025 Rising Star in Social Epidemiology Award, serves as a federal grant reviewer for SAMHSA, and has mentored 20 trainees now placed at institutions including Harvard, Johns Hopkins, and the University of Chicago.

Health Policy Difference-in-Differences Cancer Disparities Maternal Health Stata NCDB · SEER · BRFSS

Presentations

Presenting research at national scientific meetings, including the AcademyHealth Annual Research Meeting.

Mentorship

Investing in the next generation of health policy researchers through structured mentorship and scholarly community.

Recent publications

Selected peer-reviewed studies, ordered by significance, from a bibliography of 62 PubMed-indexed publications.

View all 62 publications on PubMed

Partner with us

We welcome collaborations with academic institutions, government agencies, health systems, and community organizations.

Location Maryland, United States
Organization Center for Applied Health Policy Research LLC
Entity type Federally registered LLC (EIN issued)
Consultations Health policy & outcomes research consultation — book a time below
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