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Rehan Qayyum, MD

Assistant Professor of Medicine

See Research on Pubmed

Appointment Phone


Main Location

The Johns Hopkins Hospital

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

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

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International Patients

Call +1-410-502-0773 (7a.m. to 6p.m., EST, Mon-Fri)

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  • Assistant Professor of Medicine


Genetic Epidemiology, Hemostasis, Hospitalist, Internal Medicine

Research Interests

Platelet biology; Hemostasis and thrombosis; Pharmacogenomics of anti-platelet agents; Genetic epidemiology; Systematic reviews; Meta-analysis


  • English
  • Urdu
  • Hindi
  • Punjabi
Additional Resources +
  • Education +


    • King Edward Medical University (Lahore ) (1995)


    • University of Connecticut Health Center / Internal Medicine (Farmington CT) (2011)
    • University of Illinois College of Medicine at Urbana - Champaign / Internal Medicine (Urbana IL) (2002)
  • Research & Publications +

    Selected Publications View all on PubMed

    1. Amer M, Qayyum R. The Relationship Between 25-Hydroxyvitamin D and Homocysteine in Asymptomatic Adults. J Clin Endocrinol Metab. 2013 Nov 25. [Epub ahead of print] PMID: 24276459 
    2. Qayyum RA, Aysha A. Variability in the duration of the onset of idiopathic Parkinson's disease after essential blepharospasm. Acta Med Iran. 2013 Apr 6;51(3):201-2. No abstract available. PMID: 23605608
    3. Amer M, Qayyum R. Relationship between 25-hydroxyvitamin D and all-cause and cardiovascular disease mortality. Am J Med. 2013 Jun;126(6):509-14. doi: 10.1016/j.amjmed.2012.11.021. Epub 2013 Apr 17. PMID: 23601272
    4. Chen Z, Tang H, Qayyum R, Schick UM, Nalls MA, Handsaker R, Li J, Lu Y, Yanek LR, Keating B, Meng Y, van Rooij FJ, Okada Y, Kubo M, Rasmussen-Torvik L, Keller MF, Lange L, Evans M, Bottinger EP, Linderman MD, Ruderfer DM, Hakonarson H, Papanicolaou G, Zonderman AB, Gottesman O; BioBank Japan Project; CHARGE Consortium, Thomson C, Ziv E, Singleton AB, Loos RJ, Sleiman PM, Ganesh S, McCarroll S, Becker DM, Wilson JG, Lettre G, Reiner AP. Genome-wide association analysis of red blood cell traits in African Americans: the COGENT Network. Hum Mol Genet. 2013 Jun 15;22(12):2529-38. doi: 10.1093/hmg/ddt087. Epub 2013 Feb 26. PMID: 23446634
    5. Qayyum R, Snively BM, Ziv E, Nalls MA, Liu Y, Tang W, Yanek LR, Lange L, Evans MK, Ganesh S, Austin MA, Lettre G, Becker DM, Zonderman AB, Singleton AB, Harris TB, Mohler ER, Logsdon BA, Kooperberg C, Folsom AR, Wilson JG, Becker LC, Reiner AP. A meta-analysis and genome-wide association study of platelet count and mean platelet volume in african americans. PLoS Genet. 2012;8(3):e1002491. doi: 10.1371/journal.pgen.1002491. Epub 2012 Mar 8. PMID: 22423221 
    6. Amer M, Adomaityte J, Qayyum R. Continuous infusion versus intermittent bolus furosemide in ADHF: an updated meta-analysis of randomized control trials. J Hosp Med. 2012 Mar;7(3):270-5. doi: 10.1002/jhm.991. Epub 2011 Nov 28. Review. PMID: 22125127 
    7. Amer M, Qayyum R. Relation between serum 25-hydroxyvitamin D and C-reactive protein in asymptomatic adults (from the continuous National Health and Nutrition Examination Survey 2001 to 2006). Am J Cardiol. 2012 Jan 15;109(2):226-30. doi: 10.1016/j.amjcard.2011.08.032. Epub 2011 Oct 12. PMID: 21996139
    8. Faraday N, Yanek LR, Yang XP, Mathias R, Herrera-Galeano JE, Suktitipat B, Qayyum R, Johnson AD, Chen MH, Tofler GH, Ruczinski I, Friedman AD, Gylfason A, Thorsteinsdottir U, Bray PF, O'Donnell CJ, Becker DM, Becker LC. Identification of a specific intronic PEAR1 gene variant associated with greater platelet aggregability and protein expression. Blood. 2011 Sep 22;118(12):3367-75. doi: 10.1182/blood-2010-11-320788. Epub 2011 Jul 26. PMID: 21791418 
    9. Qayyum R, Greene L.  AHRQ's comparative effectiveness research on premixed insulin analogues for adults with type 2 diabetes: understanding and applying the systematic review findings. J Manag Care Pharm. 2011 Apr;17(3 Suppl):S3-19. Review. PMID: 21476781
  • Academic Affiliations & Courses +
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  • Contact & Locations +


    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Hospital Main Entrance - Sheikh Zayed Tower
    Baltimore, MD 21287
    Phone: 443-287-3631
    Appointment Phone: 410-502-2128
    Location Map
    Johns Hopkins Outpatient Center
    601 N. Caroline Street
    Baltimore, MD 21287
    Appointment Phone: 410-955-9434
    Location Map


    • Medicine - General Internal Medicine

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