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Photo of Dr. Romsai Boonyasai

Romsai Tony Boonyasai, M.D., M.P.H.

Assistant Professor of Medicine

Male  | Languages: English, Thai

Appointment Phone


Main Location

The Johns Hopkins Hospital

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

Learn more about our international patient services »


  • Assistant Professor of Medicine

Centers & Institutes



The Johns Hopkins Hospital

Appointment Phone: 410-502-2128

600 N. Wolfe Street
Sheikh Zayed Tower
Baltimore, MD 21287 map


Hypertension, Internal Medicine

Research Interests

Hypertension; Quality improvement for chronic disease; Care coordination at hospital discharge

    Additional Information

  • Education +


    • Mount Sinai School of Medicine / MD (1998)


    • Baylor College of Medicine (2002)


    • Johns Hopkins Bayview Medical Center / Internal Medicine (2007)
    • Johns Hopkins University School of Medicine / Internal Medicine (2007)
  • Research & Publications +

    Selected Publications View all on PubMed

    1. Cooper LA, Marsteller JA, Noronha GJ, Flynn SJ, Carson KA, Boonyasai RT, Anderson CA, Aboumatar HJ, Roter DL, Dietz KB, Miller ER 3rd, Prokopowicz GP, Dalcin AT, Charleston JB, Simmons M, Huizinga MM. A multi-level system quality improvement intervention to reduce racial disparities in hypertension care and control: study protocol. Implement Sci. 2013 Jun 4;8:60. doi: 10.1186/1748-5908-8-60. PMID: 23734703
    2. Farnan JM, Burger A, Boonyasai RT, Leykum L, Harrison R, Machulsky J, Parekh V, Sharpe BA, Schleyer AM, Arora VM; SGIM Housestaff Oversight Subcommittee. Survey of overnight academic hospitalist supervision of trainees. J Hosp Med. 2012 Sep;7(7):521-3. doi: 10.1002/jhm.1961. Epub 2012 Aug 7. Erratum in: J Hosp Med. 2013 Mar;8(3):164. Boonayasai, Romsai T [corrected to Boonyasai, Romsai T]. PMID: 22956452
    3. Brotman DJ, Boonyasai RT, Deutschendorf A. Hospital care and medical utilization after discharge. Ann Intern Med. 2011 Nov 15;155(10):720-1; author reply 722. doi: 10.7326/0003-4819-155-10-201111150-00019. No abstract available. PMID: 22084342
    4. Boonyasai RT, Steinberg DI, Schleyer AM, Mourad MM, Harte BJ, Sharpe BA. Update in hospital medicine for the general internist 2010-2011. J Gen Intern Med. 2011 Dec;26(12):1492-7. doi: 10.1007/s11606-011-1874-7. Epub 2011 Sep 20. Review. No abstract available. PMID: 21932159
    5. Leykum LK, Parekh VI, Sharpe B, Boonyasai RT, Centor RM. Tried and true: a survey of successfully promoted academic hospitalists. J Hosp Med. 2011 Sep;6(7):411-5. doi: 10.1002/jhm.894. PMID: 21916004
  • Academic Affiliations & Courses +
  • Activities & Honors +
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