Richard J. Ryan, MD

Medical Degree: New York Medical College New York, NY, 1990

Residency: University of Cincinnati/University Hospital Cincinnati, OH, 1994

Bachelor of Science : Boston College Chestnut Hill, MA, 1986 (Biology)

American Board of Emergency Medicine (Certification Date: 06-30-1995 ) - (Recertification Date: to 01-01-2016 )

Emergency Medicine

Psychiatry

Alcohol Use Disorder

Substance Use Disorder

Addiction Medicine

Emergency Medicine

Grant: #SRS 006310 Investigators:Lindsell, Christopher; Ryan, Richard 07-09-2009 -05-18-2010 Abbott Laboratories Point of Care Decision Making Modeling Role:Collaborator $67,550.00 Closed Level:Industry

Grant: #2000382 Investigators:Ryan, Richard; Wilder, Christine 05-01-2019 -04-30-2020 Substance Abuse & Mental Health Services Administration ED initiated MAT and Linkage to Evidence-Informed treatment Role:PI $60,005.00 Awarded Level:Federal

Grant: #Health Collab. "COVID-19 Testing and Data Collect." (US Dept Treasury) Investigators:Calhoun, Dustin; Faryar, Kiran; Freiermuth, Caroline; Lyons, Michael; Punches, Brittany; Ryan, Richard 07-01-2020 -12-30-2020 Department of Treasury Early Intervention Program: COVID-19 Testing, Reporting, and Surveillance Role:Collaborator $7,611,499.00 Awarded Level:Federal

Grant: #2000701 Investigators:Punches, Brittany; Ryan, Richard 09-30-2019 -09-29-2020 Substance Abuse & Mental Health Services Administration Implementing an ED Case Manager for Substance Use Disorder Role:PI $60,000.00 Active Level:Federal

Grant: #03140014EC0221 Investigators:Faryar, Kiran; Freiermuth, Caroline; Lyons, Michael; Punches, Brittany; Ryan, Richard 03-01-2021 -08-31-2022 Centers for Disease Control and Prevention UC Early Intervention Program (EIP) Role:Collaborator $1,983,000.00 Awarded Level:Federal

Grant: #2100607 / H79TI081684 Investigators:Punches, Brittany; Ryan, Richard 09-29-2020 -09-28-2021 Ohio Department of Mental Health and Addiction Services Implementing an ED Case Manager for Substance Use Disorder Role:PI 60000.00 Awarded Level:Ohio, State of

Grant: #2200540 / H79TI083294 Investigators:Lyons, Michael; Punches, Brittany; Ryan, Richard 09-30-2021 -09-29-2022 Ohio Department of Mental Health and Addiction Services Peer Intervention and Linkage to Care for Substance Use Disorder in the Emergency Department Role:PI 150000.01 Active Level:Ohio, State of

Grant: #HCPH (CDC) 2023 Ending the HIV Epidemic Investigators:Ryan, Richard 08-01-2022 -07-31-2023 Centers for Disease Control and Prevention Ending the Pandemic Role:PI 200000.00 Hold Level:Federal

Grant: #03140014EC0323 Investigators:Freiermuth, Caroline; Jarrell, Kelli; Ryan, Richard; Smith, Carolyn 09-01-2022 -08-31-2023 Centers for Disease Control and Prevention Emergency Department Comprehensive Care (EC23) Role:Collaborator 400000.00 Awarded Level:Federal

Grant: #H76HA00111 Investigators:Ryan, Richard 04-01-2022 -03-31-2023 Health Resources and Services Administration Cincinnati Health Network (CHN) Emergency Department EIP program Role:PI 66878.20 Hold Level:Federal

Grant: #Early Intervention Program (EIP) 2023 Investigators:Ryan, Richard 01-01-2023 -12-31-2023 Centers for Disease Control and Prevention HIV Prevention Activities Grant Role:PI 200000.00 Hold Level:Federal

Grant: #pending / 5 NU38OT000306-03-00 Investigators:Freiermuth, Caroline; Ryan, Richard 04-01-2023 -03-31-2024 Centers for Disease Control and Prevention Embedding Peers in the ED-Sustaining Peers in the ED Role:Collaborator 120000.00 Hold Level:Federal

Grant: #ODMHA 2300761 (SAMHSA H79TI085753) Investigators:Freiermuth, Caroline; Ryan, Richard 09-30-2022 -09-29-2023 Substance Abuse & Mental Health Services Administration State Opioid and Stimulant Response (SOS) 3.0 Role:PI 150000.00 Active Level:Federal

Grant: #H79TI085997 Investigators:Freiermuth, Caroline; Ryan, Richard 09-30-2023 -09-29-2026 Substance Abuse & Mental Health Services Administration Alternatives to opioids for pain in the emergency department: Implementing Integrative Health approaches and expanding local nerve block initiatives Role:Collaborator 478958.00 Awarded Level:Federal

Grant: #pending Investigators:Ryan, Richard 09-01-2023 -05-31-2024 Centers for Disease Control and Prevention Ending the Pandemic Role:PI 126500.00 Hold Level:Federal

Grant: #pending / NU38OT000306 Investigators:Freiermuth, Caroline; Ryan, Richard 10-01-2023 -06-30-2024 Centers for Disease Control and Prevention ED Based Substance Use Navigation - Advancing the Evidence Role:Collaborator 99851.58 Hold Level:Federal

Investigators:Ryan, Richard 10-01-2023 -09-30-2024 Hamilton County Job and Family Services Hamilton County Workforce Development: ED Peer Supporter Internship Program Role:PI 34605.31 Hold Level:Local Government

Grant: #Early Intervention Program (EIP) 2024-25 Investigators:Ryan, Richard 08-01-2024 -07-31-2025 Centers for Disease Control and Prevention HIV Prevention Activities Grant Role:PI 220005.24 Hold Level:Federal

Grant: #HCPH (CDC) 2024 Ending the HIV Epidemic Investigators:Ryan, Richard 08-01-2024 -07-31-2025 Centers for Disease Control and Prevention Ending the Pandemic Role:PI 200000.00 Hold Level:Federal

Investigators:Ryan, Richard 08-01-2024 -07-31-2025 Hamilton County Public Health Early Intervention Program (EIP) - OD2A LOCAL grant Role:PI 106000.20 Hold Level:Local Government

Investigators:Ryan, Richard 02-01-2025 -09-29-2025 Hamilton County Job and Family Services Hamilton County Workforce Development: ED Peer Supporter Internship Program Role:PI 34606.26 Hold Level:Local Government

Grant: #Pending/2H76HA00111-35-00 Investigators:Ryan, Richard 04-01-2025 -03-31-2026 Cincinnati Health Network Cincinnati Health Network (CHN) Emergency Department EIP program Role:PI 194399.67 Hold Level:Non Profit

Grant: #Early Intervention Program (EIP) 2025-26 Investigators:Ryan, Richard 06-01-2025 -05-31-2026 Centers for Disease Control and Prevention HIV Prevention Activities Grant Role:PI 210000.00 Hold Level:Federal

Grant: #UC-EHE_Ending the HIV Pandemic FY25-26 Investigators:Ryan, Richard 06-01-2025 -05-31-2026 Centers for Disease Control and Prevention Ending the HIV Pandemic Role:PI 155000.00 Hold Level:Federal

Grant: #EIP OD2A Data Sharing Investigators:Ryan, Richard 08-01-2025 -07-31-2026 Centers for Disease Control and Prevention Early Intervention Program (EIP) - OD2A LOCAL grant Role:PI 106000.00 Hold Level:Federal

Peer Reviewed Publications

Butler, Megan M; Ancona, Rachel M; Beauchamp, Gillian A; Yamin, Cyrus K; Winstanley, Erin L; Hart, Kimberly W; Ruffner, Andrew H; Ryan, Shawn W; Ryan, Richard J; Lindsell, Christopher J; Lyons, Michael S  (2016). Emergency Department Prescription Opioids as an Initial Exposure Preceding Addiction. Annals of emergency medicine, 68 (2) , 202-8More Information

Fertel, Baruch S; Hart, Kimberly W; Lindsell, Christopher J; Ryan, Richard J; Lyons, Michael S  (2015). Patients who use multiple EDs: quantifying the degree of overlap between ED populations. The western journal of emergency medicine, 16 (2) , 229-33More Information

Fertel, Baruch S; Hart, Kimberly W; Lindsell, Christopher J; Ryan, Richard J; Lyons, Michael S  (2012). Toward understanding the difference between using patients or encounters in the accounting of emergency department utilization. Annals of emergency medicine, 60 (6) , 693-8More Information

Ryan, Richard J; Lindsell, Christopher J; Hollander, Judd E; O'Neil, Brian; Jackson, Raymond; Schreiber, Donald; Christenson, Robert; Gibler, W Brian  (2009). A multicenter randomized controlled trial comparing central laboratory and point-of-care cardiac marker testing strategies: the Disposition Impacted by Serial Point of Care Markers in Acute Coronary Syndromes (DISPO-ACS) trial. Annals of emergency medicine, 53 (3) , 321-8More Information

Ryan, Richard J; Lindsell, Chris; Sheehan, Paul  (2008). Fluoroquinolone resistance during 2000-2005: an observational study. BMC infectious diseases, 8, 71More Information

Han, Jin H; Lindsell, Christopher J; Ryan, Richard J; Gibler, W Brian  (2005). Changes in cardiac troponin T measurements are associated with adverse cardiac events in patients with chronic kidney disease. The American journal of emergency medicine, 23 (4) , 468-73

Adler, David; Abar, Beau; Durham, Danielle D; Bastani, Aveh; Bernstein, Steven L; Baugh, Christopher W; Bischof, Jason J; Coyne, Christopher J; Grudzen, Corita R; Henning, Daniel J; Hudson, Matthew F; Klotz, Adam; Lyman, Gary H; Madsen, Troy E; Pallin, Daniel J; Reyes-Gibby, Cielito C; Rico, Juan Felipe; Ryan, Richard J; Shapiro, Nathan I; Swor, Robert; Thomas, Charles R; Venkat, Arvind; Wilson, Jason; Yeung, Sai-Ching Jim; Caterino, Jeffrey M  (2019). Validation of the Emergency Severity Index (Version 4) for the Triage of Adult Emergency Department Patients With Active Cancer. The Journal of emergency medicine, 57 (3) , 354-361More Information

Yilmaz, Sule; Aryal, Komal; King, Jasmine; Bischof, Jason J; Hong, Arthur S; Wood, Nancy; Gould Rothberg, Bonnie E; Hudson, Matthew F; Heinert, Sara W; Wattana, Monica K; Coyne, Christopher J; Reyes-Gibby, Cielito; Todd, Knox; Lyman, Gary; Klotz, Adam; Abar, Beau; Grudzen, Corita; Bastani, Aveh; Baugh, Christopher W; Henning, Daniel J; Bernstein, Steven; Rico, Juan Felipe; Ryan, Richard J; Yeung, Sai-Ching Jim; Qdaisat, Aiham; Padela, Aasim; Madsen, Troy E; Liu, Raymond; Adler, David  (2025). Understanding oncologic emergencies and related emergency department visits and hospitalizations: a systematic review. BMC emergency medicine, 25 (1) , 40More Information

Bischof, Jason J; Elsaid, Mohamed I; Bridges, John F P; Rosko, Ashley E; Presley, Carolyn J; Abar, Beau; Adler, David; Bastani, Aveh; Baugh, Christopher W; Bernstein, Steven L; Coyne, Christopher J; Durham, Danielle D; Grudzen, Corita R; Henning, Daniel J; Hudson, Matthew F; Klotz, Adam; Lyman, Gary H; Madsen, Troy E; Reyes-Gibby, Cielito C; Rico, Juan Felipe; Ryan, Richard J; Shapiro, Nathan I; Swor, Robert; Thomas, Charles R; Venkat, Arvind; Wilson, Jason; Yeung, Sai-Ching Jim; Yilmaz, Sule; Caterino, Jeffrey M  (2022). Characterization of older adults with cancer seeking acute emergency department care: A prospective observational study. Journal of geriatric oncology, 13 (7) , 943-951More Information

Yilmaz, Sule; Grudzen, Corita R; Durham, Danielle D; McNaughton, Caroline; Marcelin, Isabelle; Abar, Beau; Adler, David; Bastani, Aveh; Baugh, Christopher W; Bernstein, Steven L; Bischof, Jason J; Coyne, Christopher J; Henning, Daniel J; Hudson, Matthew F; Klotz, Adam; Lyman, Gary H; Madsen, Troy E; Pallin, Daniel J; Reyes-Gibby, Cielito; Rico, Juan Felipe; Ryan, Richard J; Shapiro, Nathan I; Swor, Robert; Thomas, Charles R; Venkat, Arvind; Wilson, Jason; Yeung, Sai-Ching Jim; Caterino, Jeffrey M  (2022). Palliative Care Needs and Clinical Outcomes of Patients with Advanced Cancer in the Emergency Department. Journal of palliative medicine, 25 (7) , 1115-1121More Information

Hudson, Matthew F; Strassels, Scott A; Durham, Danielle D; Siddique, Sunny; Adler, David; Yeung, Sai-Ching J; Bernstein, Steven L; Baugh, Christopher W; Coyne, Christopher J; Grudzen, Corita R; Henning, Daniel J; Klotz, Adam; Madsen, Troy E; Pallin, Daniel J; Rico, Juan F; Ryan, Richard J; Shapiro, Nathan I; Swor, Robert; Venkat, Arvind; Wilson, Jason; Thomas, Charles R; Bischof, Jason J; Lyman, Gary H; Caterino, Jeffrey M  (2022). Examining pain among non-Hispanic Black and non-Hispanic White patients with cancer visiting emergency departments: CONCERN (Comprehensive Oncologic Emergencies Research Network). Academic emergency medicine : official journal of the Society for Academic Emergency Medicine, 29 (3) , 364-368More Information

Klotz, Adam D; Caterino, Jeffrey M; Durham, Danielle; Felipe Rico, Juan; Pallin, Daniel J; Grudzen, Corita R; McNaughton, Caroline; Marcelin, Isabelle; Abar, Beau; Adler, David; Bastani, Aveh; Bernstein, Steven L; Bischof, Jason J; Coyne, Christopher J; Henning, Daniel J; Hudson, Matthew F; Lyman, Gary H; Madsen, Troy E; Reyes-Gibby, Cielito C; Ryan, Richard J; Shapiro, Nathan I; Swor, Robert; Thomas, Charles R; Venkat, Arvind; Wilson, Jason; Jim Yeung, Sai-Ching; Yilmaz, Sule; Stutman, Robin; Baugh, Christopher W  (2022). Observation unit use among patients with cancer following emergency department visits: Results of a multicenter prospective cohort from CONCERN. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine, 29 (2) , 174-183More Information

Coyne, Christopher J; Reyes-Gibby, Cielito C; Durham, Danielle D; Abar, Beau; Adler, David; Bastani, Aveh; Bernstein, Steven L; Baugh, Christopher W; Bischof, Jason J; Grudzen, Corita R; Henning, Daniel J; Hudson, Matthew F; Klotz, Adam; Lyman, Gary H; Madsen, Troy E; Pallin, Daniel J; Rico, Juan Felipe; Ryan, Richard J; Shapiro, Nathan I; Swor, Robert; Thomas, Charles R; Venkat, Arvind; Wilson, Jason; Yeung, Sai-Ching Jim; Caterino, Jeffrey M  (2021). Cancer pain management in the emergency department: a multicenter prospective observational trial of the Comprehensive Oncologic Emergencies Research Network (CONCERN). Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer, 29 (8) , 4543-4553More Information

Lane, Bennett H; Lyons, Michael S; Stolz, Uwe; Ancona, Rachel M; Ryan, Richard J; Freiermuth, Caroline E  (2021). Naloxone provision to emergency department patients recognized as high-risk for opioid use disorder. The American journal of emergency medicine, 40, 173-176More Information

Shaw, Isaac; Faryar, Kiran A; Ryan, Richard J; Ancona, Rachel M; Fernandez, Francisco J; Lyons, Michael S  (2020). Evaluation of low-intensity initiatives to improve linkage to care for emergency department patients with opioid use disorder. The American journal of emergency medicine, 38 (11) , 2391-2394More Information

Academic - University of Cincinnati College of Medicine
Department of Emergency Medicine
Cincinnati  Ohio, 45267-0769
Phone: 513-558-8104
Fax: 513-558-4599
Richard.Ryan@uc.edu