This webpage lists and provides links to publications that have resulted from research using DHCS data. Publications are posted as they become available.  

2026

• Cooley JJP, Maguire FB, Abrahao R, Hofer BM, Parikh-Patel A, Chen HA, Keegan THM. Late-Stage Cervical Cancer Diagnosis in Young Adults in California Following the Affordable Care Act and COVID-19 Pandemic. Am J Public Health 2026, (submitted and undergoing peer review).

2025

• Abrahão R, Cooley J, Kahn J, Brunson A, Alvarez E, Mahajan A, Wun T, Verma R, Ruddy K, Keegan T. Peripheral Neuropathy Incidence in Children, and Adolescents and Young Adults With Cancer and Medicaid Insurance in California. JCO Oncology Practice, April 22, 2025.
• Pourat N, Zhao W, Haley L, Ryan J, Sripipatana A. Health Resources and Services Administration-Funded Health Centers Reduce Health Care Expenditures of California Medicaid Managed Care Beneficiaries with Complex Needs. Population Health Management, 2025 Jun;28(3):117-124.
• Rasmussen P, Kofner A, Eagan J, Damberg C. Understanding California’s Safety Net: Identifying the Health Care Providers Delivering Primary Care to Medi-Cal Enrollees. September 19, 2025.

2024

• Accurso E, Cordell K, Guydish J, Snowden L. Exploring Demographic and Clinical Characteristics of Racially and Ethnically Diverse Youth with Eating Disorders Using California Medicaid Claims Data. J Am Acad Child Adolesc Psychiatry, 2024 Jun;63(6):615-623.
• Delker E, Baer R, Chambers C, Bandoli G. Identification of Chronic Hypertension in Pregnancy in Three Administrative Data Sources among Medicaid-Funded Births in California. Pharmacoepidemiology and Drug Safety, 2024 Dec;33(12).
• Knowlton L, Arnow K, Trickey AW, Tran LD, Harris AHS, Morris AM, Wagner TH. Hospital Presumptive Eligibility Emergency Medicaid Programs: An Opportunity for Continuous Insurance Coverage? Medical Care; 2024 Sep 1;62(9):567-574.
• Boncompagni A, Handley TJ, Sasnal M, Morris A, Knowlton L. A Qualitative Study of Emergency Medicaid Programs From the Perspective of Hospital Stakeholders.  Journal of Surgical Research, March 2024, Volume 295: 530-539.
• Vissa M, Parikh P, McCulloch C, Bhasin N, Cabana M, Chung J, Marsh A, Wong T, Treadwell M, Bardach NS. Improving Completion Rates of Transcranial Doppler Ultrasounds in Children with Sickle Cell Disease Using Quality Improvement Efforts: In- Clinic Vs. Population-Based Assessments. Pediatric Blood and Cancer, 2025 Apr;72(4):e31549.
• Zingmond D, Walling A, Cassel J, Kerr K, Wenger N, Garcia M, Meyers K. Limitations With California Medicaid Data for Palliative and End of Life Care Quality Measures.  Journal of Pain and Symptom Management, November 2024, 68(5):e397-e403.
• Chuang E, Yue D, O’Masta B, Haley LA, Zhou W, Pourat N. Program Implementation Strategies Associated With Reduced Acute Care Utilization for Medicaid Beneficiaries in California’s Whole Person Care Pilot Program. Medical Care Research and Review, 2024, 81 (6): 432-443.
• Yue D, Chuang E, Zhou W, Essien E, Lee Y, O’Masta B, Pourat N. Associations of Homelessness with Primary Care and Acute Care Utilization Among Medicaid-Enrolled Youth. Medical Care, 2024, 62 (10): 631-638.

2023

• Boncompagni AC, Handley TJ, Sasnal M, Morris AM, Knowlton L. A Qualitative Study of Emergency Medicaid Programs from the Perspective of Hospital Stakeholders. Journal of Surgical Research, 2023 Dec 11;295:530-539.
• Gibson AB, Hendricks WD, Arnow KA, Tran LD, Wagner TH, Knowlton L. State-Level Variability in Hospital Presumptive Eligibility Programs. JAMA Network Open, 2023 Nov 1;6(11):e2345244. 
• Handley TJ, Boncompagni AC, Arnow K, Sasnal M, Day HS, Trickey A, Morris AM, Knowlton L. Evaluating Emergency Medicaid Program Policy Changes During the COVID-19 Pandemic. Journal of Surgical Research, 2023 March 28; 289:97-105.
• Knowlton L, Logan DS, Arnow KA, Hendricks WD, Gibson AB, Tran LD, Wagner TH, Morris AM. Do Hospital-Based Emergency Medicaid Programs Benefit Trauma Centers? A Mixed-Methods Analysis. Journal of Trauma and Acute Care Surgery, 2023 Oct 13;96(1):44–53.
• Knowlton LM, Tran LD, Arnow K, Trickey AW, Morris AM, Spain DA, Wagner TH. Emergency Medicaid Programs May be an Effective Means of Providing Sustained Insurance Among Trauma Patients: A Statewide Longitudinal Analysis. Journal of Trauma and Acute Care Surgery, 2023 Jan 1;94(1):53-60.
• Pourat N, Yue D, Chen X, Zhou W, O’Masta B. Easy to Use and Validated Predictive Models to Identify Beneficiaries Experiencing Homelessness in Medicaid Administrative Data. Health Serv Res, 2023;58:882–893.
• Putnam-Hornstein E, Foust R, Cuccaro-Alamin, Prindle J, Nghiem HT, & Palmer L. A Population-Based Study of Mental Health Diagnoses and Child Protection System Involvement Among Medicaid-Insured Children. Journal of Pediatrics, 2023 Jan:252:117-123.

2022

• Abrahao R, Cooley JP, Maguire FB, Parikh-Patel A, Morris CM,  Schwarz EB, Wun T, Keegan THM. Stage at Diagnosis and Survival Among Adolescents and Young Adults with Lymphomas Following the Affordable Care Act Implementation in California. International Journal of Cancer, 2022, 150: 1113-22.
• Abrahao R, Ribeiro RC, Malogolowkin M, Wun T, Keegan THM. Early Mortality and Survival Improvements for Adolescents and Young Adults with Acute Promyelocytic Leukemia in California: An Updated Analysis. Haematologica, 2022, 107:733-6.
• Bardach NS, Harder VS, McCulloch C, Thombley R, Shaw JS, Hart VC, Cabana, MD. “Follow-up After Asthma ED Visits and its Relationship with Subsequent Asthma-Related Utilization.” Acad Pediatr, 2022 Apr;22(3S):S125-S132.
• Bucholz EM, Toomey SL, McCulloch CE, Bardach NS. Adjusting for Social Risk Factors in Pediatric Quality Measures: Adding to the Evidence Base. Acad Pediatr 2022 Apr;22(3S):S108-S114.
• Knowlton L, Tran LD, Arnow KA, Trickey A, Morris AM, Spain DA, Wagner T. Emergency Medicaid Programs May Be an Effective Means of Providing Sustained Insurance Among Trauma Patients: A Statewide Longitudinal Analysis. Journal of Trauma and Acute Care Surgery, 2023 Jan 1;94(1):53-60.
• Mahony T, Harder Valerie, Ang N, McCulloch CE, Shaw J, Thombley RL, Cabana MD, Bardach NS. Weekend vs. Weekday Asthma-Related Emergency Department Utilization. Acad Pediatr, 2022;22:640−646.
• Palmer L, Font S, Herd T, Prindle J, Putnam-Hornstein E. Rates of Emotional Disturbance Among Children in Foster Care: Comparing Federal Child Welfare Data and Medicaid Records in Two States. Child Maltreatment, 2022;29(1):8-13.
• Yue D, Pourat N, Essien EA, Chen X, Zhou W, O’Masta B. Differential Associations of Homelessness with Emergency Department Visits and Hospitalizations by Race, Ethnicity, and Gender. Health Services Research, 2022, 57: 249-262.

2021

• Abrahao R, Maguire FB, Morris CM, Parikh-Patel A, Keegan THM. The Influence of the Affordable Care Act-Dependent Coverage Expansion on Insurance Coverage Among Young Cancer Survivors in California: An Updated Analysis. Cancer Causes Control, 2021 Jan;32(1):95-101. 
• Cooley JP, Maguire FB, Abrahao R, Morris CM, Parikh-Patel A, Keegan THM. Late-Stage Cervical Cancer Diagnosis in Young Adults in California following the Affordable Care Act. J Registry Manag, 2021 Fall;48(3):144-145.
• Sigel K, Kong CY, Rehmani S, Bates S, Gould M, Stone K, et al. Optimal Treatment Strategies for Stage I Non-Small Cell Lung Cancer in Veterans with Pulmonary and Cardiac Comorbidities. PLoS ONE, March 18, 2021, 16(3). 

2020

• Harder V, Shaw J, McCulloch C, Kill L, Robinson K, Shepard M, Cabana M, Bardach N. Statewide Asthma Learning Collaborative Participation and Asthma-Related Emergency Department Use. Pediatrics, 2020 Dec;146(6):e20200213.
• Parsons HM, Chen Y, Maguire FB, Morris CR, Parikh-Patel A, Kizer KW, Wun T Keegan THM. Impact of the Insurance Type and Timing of Medicaid Enrollment on Survival Among Adolescent and Young Adults with Cancer. Pediatr Blood Cancer, September 2020, 67(9):e28498.

2019

• Bardach NS, Neel C, Kleinman L, McCulloch CE, Thombley R, Zima BT, Grupp-Phelan J, Coker TR, Cabana MD. Pediatric Asthma Emergency Department Utilization and Depression and Anxiety. Pediatrics. 2019 Oct;144(4).
• Impacts on Family Outcomes of Evidence-Based Early Childhood Home Visiting: Results from the Mother and Infant Home Visiting Program Evaluation.
• The Effects of Home Visiting on Prenatal Health, Birth Outcomes, and Health Care Use in the First Year of Life: Final Implementation and Impact Findings from the Mother and Infant Home Visiting Program Evaluation-Strong Start.
• A Summary of Results from the MIHOPE and MIHOPE-Strong Start Studies Of Evidence-Based Home Visiting.
• Keegan THM, Parsons HM, Chen Y, Maguire FB, Morris CR, Parikh-Patel A, Kizer KW, Wun T.  Impact of Continuous Health Insurance on Stage at Cancer Diagnosis Among Adolescent and Young Adults. J Natl Cancer Institute 2019, 111:1152-1160.

2018 

• Hoshiko S, Hutchinson JA, Vargo J, Milet M, French NHF, Billmire M, Johnson J.  The San Diego 2007 wildfires and Medi-Cal emergency department presentations, inpatient hospitalizations, and outpatient visits: an observational study of smoke exposure periods and a bi-directional case-crossover analysis. PLoS Med. Published on June 28, 2018. 2018 Jul 10;15(7):e1002601.
• Walsh P,  Rothenberg SJ, Bang H. Safety of ibuprofen in infants younger than six months: A retrospective cohort study. PLOS. Published on June 28, 2018.
• Walsh P, and Rothenberg SJ. Which ICD-9-CM codes should be used for bronchiolitis research? BMC Medical Research Methodology. (2018)18:149. Published on Nov. 22, 2018.

2017 

• Barnato AE, Moore R, Moore CG, Kohatsu ND, Sudore RL. Financial Incentives to Increase Advance Care Planning Among Medicaid Beneficiaries: Lessons Learned from Two Pragmatic Randomized Trials. J Pain Symptom Manage. 2017 Apr 24. pii: S0885-3924(17)30163-X.
•  Christina Mangurian, M.D., M.A.S., Maria E. Garcia, M.D., M.P.H., Dean Schillinger, M.D., Eric Vittinghoff, Ph.D., Jennifer M. Creasman, M.S.P.H., Penelope Knapp, M.D., John W. Newcomer, M.D. Nonpsychiatric Outpatient Care for Adults With Serious Mental Illness in California: Who Is Being Left Behind? Psychiatric Services July 2017; 68:689–95.
• Christina Mangurian, M.D., M.A.S., Monique James, M.D., Melanie Thomas, M.D., M.S., Latoya Frolov, M.D., M.P.H., Nicholas S. Riano, B.A., Eric Vittinghoff, Ph.D., Dean Schillinger, M.D., John W. Newcomer, M.D. Rates of Cervical Cancer Screening Among Women With Severe Mental Illness in the Public Health System. American Psychiatric Association.  Print ISSN: 1075-2730 | Online ISSN: 1557-9700.  Published online April 15, 2017.
• Christina Mangurian, M.D., M.A.S., Walker Keenan, B.S., John W. Newcomer, M.D., Eric Vittinghoff, Ph.D., Jennifer M. Creasman, M.S.P.H., Dean Schillinger, M.D. Diabetes Prevalence Among Racial-Ethnic Minority Group Members With Severe Mental Illness Taking Antipsychotics: Double Jeopardy? American Psychiatric Association. Published online April 17, 2017.
• Upadhyay UD, Johns NE, Meckstroth KR, Kerns JL. Distance Traveled for an Abortion and Source of Care After Abortion. Obstet Gynecol. 2017 Aug 14.
• Upadhyay UD, Johns NE, Foster DG. Distance traveled for Medicaid-covered abortioncare in California. BMC Health Serv Res. 2017 A (1):287.

6 

• Trager E, Khalili M, Masson C, Vittinghoff E, Creasman J, Mangurian C. Hepatitis C Screening Rate Among Underserved Adults With Serious Mental Illness Receiving Care in California Community Mental Health Centers. Am J Public Health, 2016; 106: 740-742. 

2015 

• Mangurian C, Newcomer JW, Vittinghoff E, Creasman JM, Knapp P, Fuentes-Afflick E, Schillinger D. Diabetes Screening Among Underserved Adults With Severe Mental Illness Who Take Antipsychotic Medications. JAMA, Dec 2015; 175 (12): 1977-1980.
• Upadhyay U, Desai S, Zlidar V, Weitz TA, Grossman D, Anderson P, Taylor D. Incidence of emergency department visits and complications after abortion. Obstet Gynecol. 2015 Jan; 125(1):175-83. PMID: 25560122.

2014 

• Geier ML, Hills N, Gonzales M, Tum K, Finley PR. Detection and treatment rates for perinatal depression in a state Medicaid population. CNS Spectrums, 2014 Oct; 13:1-9.

2013

• Cancer Epidemiology Biomarkers Prevcebp.1099.2013; Published Online First December 2, 2013; doi:10.1158/1055-9965.EPI-13-1099 Access to the Indian Health Service Care System is Not Associated with Early Enrollment in Medicaid for American Indian and Alaska Natives with Cancer. Andrea N. Burnett-Hartman, Mark E. Bensink, Kristin Berry, David G. Mummy, Victoria Warren Mears, Carol Korenbrot, and Scott D Ramsey

• .

2012

• Bixby Reproductive Health Brief: Family Planning Provider Education and Training in California. Bixby Center for Global Reproductive Health, University of California, San Francisco. March 2012.
• Bixby Reproductive Health Brief: Chlamydia Screening in the Family PACT Program. Bixby Center for Global Reproductive Health, University of California, San Francisco. June 2012.
• Chow J, Thiel de Bocanegra H, Hulett D, Park H, Darney P. Comparison of Adherence to Chlamydia Screening Guidelines among Title X Providers and Non-Title X Providers in the California Family Planning, Access, Care, and Treatment (Family PACT) Program. Journal of Women’s Health, 2012 July; 21(0): 1-6.
• Park H, Rodriguez M, Hulett D, Darney P,Thiel de Bocanegra H. Long-acting reversible contraception method use among Title X providers and non-Title X providers in California. Contraception. 2012 Nov;86(5):557-61.
• Thiel de Bocanegra H, Maguire F, Hulett D, Horsley K, Puffer MJ, Brindis C. Enhancing Service Delivery Through Title X Funding: Findings from California. Perspectives on Sexual and Reproductive Health, 2012 Dec;44(4).

2011

• Bixby Reproductive Health Brief: Providing Access to Family Planning through Title X and Medicaid Family Planning Expansion. Bixby Center for Global Reproductive Health, University of California, San Francisco. January 2011.
• Fairbrother G, Watring J, Madhavan G, Senderling-McDonald C. A Steep Climb: High Unemployment and Increased Need for Public Assistance in California. Cincinnati: The James M. Anderson Center for Health Systems Excellence at Cincinnati Children’s Hospital Medical Center; 2011.

2010

• Fairbrother G, Watring J, Madhavan G.Effects of the Citizenship Documentation Provision of the Deficit Reduction Act of 2005 on Medi-Cal: Overview and Analysis. Cincinnati: The James M. Anderson Center for Health Systems Excellence at Cincinnati Children’s Hospital Medical Center; 2010.

2009 

• Banta JE, Morrato EH, Lee SW, Haviland MG.  Retrospective Analysis of Diabetes Care in California Medicaid Patients with Mental Illness.  J Gen Intern Med.  2009;24(7): 802-8.

2008  

• Marcus SC, Wan GJ, Zhang HF, Olfson M. Injury among stimulant-treated youth with ADHD. J Atten Disord. 2008 Jul;12(1):64-9. Epub 2007 Oct 12.

2007

• Olfson M, Marcus SC, Ascher-Svanum H. Treatment of schizophrenia with long-acting fluphenazine, haloperidol, or risperidone.Schizophr Bull. 2007 Nov;33(6):1379-87. Epub 2007 Apr 29. 

2006 

• Olfson M, Marcus SC, Corey-Lisle P, Tuomari AV, Hines P, L’Italien GJ. Hyperlipidemia following treatment with antipsychotic medications. Am J Psychiatry. 2006 Oct;163(10):1821-5.

2005 

• Marcus SC, Wan GJ, Kemner JE, Olfson M. Continuity of methylphenidate treatment for attention-deficit/ hyperactivity disorder. Arch Pediatr Adolesc Med. 2005 Jun;159(6):572-8.