Publications

Venture Capital Investments by U.S. Academic Medical Centers

November 27, 2025

Uppal N, Song Z

Zirui Song

New England Journal of Medicine

https://pubmed.ncbi.nlm.nih.gov/41283216/

Paying Primary Care More—Will It Work This Time?

November 11, 2025

Song Z

Zirui Song

Journal of the American Medical Association

https://jamanetwork.com/journals/jama/article-abstract/2838639

Hospital Staffing and Patient Outcomes After Private Equity Acquisition

November 1, 2025

Kannan S, Bruch JD, Zubizarreta JR, Stevens J, Song Z.

Zirui Song

Annals of Internal Medicine

https://pubmed.ncbi.nlm.nih.gov/40982974/

Response to ‘How Should We Assess Quality of Health Care Services in Organizations Owned by Private Equity Firms?’

October 10, 2025

Bruch JD, Kannan S, Song Z

Zirui Song

AMA Journal of Ethics

https://journalofethics.ama-assn.org/article/response-how-should-we-assess-quality-health-care-services-organizations-owned-private-equity-firms/2025-10

Psychiatric and Substance Use Disorders After Nonfatal Firearm Injury

October 1, 2025

Koh KA, Giuriato M, Sacks CA, Zubizarreta JR, Song Z

Zirui Song

JAMA Psychiatry

https://www.researchgate.net/publication/394783448_Psychiatric_and_Substance_Use_Disorders_After_Nonfatal_Firearm_Injury

State Investments in Primary Care-5 Early Leaders of a Potential Policy Trend

September 5, 2025

Brown SH, Ricci DA, Tadikonda A, Song Z

Zirui Song

JAMA Health Forum

https://jamanetwork.com/journals/jama-health-forum/fullarticle/2838804

Financial Health After Private Equity Hospitals Are Sold

August 1, 2025

Kannan S, Song Z

Zirui Song

JAMA Health Forum

https://pubmed.ncbi.nlm.nih.gov/40779259/

Pediatric Nonfatal Firearm Injury Health Care Utilization

July 1, 2025

Du J, Andrews A, Gastineau K, Lee LK, Ranney ML, Sacks CA, Song Z, Fleegler EW, Pulcini CD

Zirui Song

Pediatrics

https://pubmed.ncbi.nlm.nih.gov/40555422/

Primary Care — From Common Good to Free-Market Commodity

May 24, 2025

Song Z, Zhu JM

Zirui Song

New England Journal of Medicine

https://pubmed.ncbi.nlm.nih.gov/40421728/

Risk Set Matched Difference-in-Differences for the Analysis of Effect Modification in an Observational Study on the Impact of Gun Violence on Health Outcomes.

March 28, 2025

Cohn ER, Song Z, Zubizarreta JR

Zirui Song

Annals of Applied Statistics

https://arxiv.org/abs/2305.04143