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Photo of Dr. Margaret Arnold

Margaret Walkup Arnold, M.D.

Local Surgical Residency Program Director, Johns Hopkins Bayview Medical Center
Assistant Professor of Surgery


Appointment Phone


Main Location

Johns Hopkins Bayview Medical Center

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 »


  • Local Surgical Residency Program Director, Johns Hopkins Bayview Medical Center
  • Assistant Professor of Surgery

Centers & Institutes



Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-4335

4940 Eastern Avenue
Baltimore, MD 21224 map
Phone: 410-550-0400


Abdominal Aortic Aneurysm, Aneurysms, Angioplasty, Aortic Aneurysms, Aortic Stent-Grafts/Endografts, Aortic Surgery, Arterial Aneurysm, Arterial Occlusive Disease, Arterial Ultrasound, Arteriovenous Fistulas, Atherosclerosis, Atherosclerosis Imaging, Carotid Artery Disease, Carotid Artery Stenosis, Carotid Artery Stenting, Carotid Endarterectomy, Carotid Ultrasound, Cerebrovascular Diseases, Claudication, Deep Vein Thrombosis (DVT), Diabetic Foot Ulcers, Dialysis Access, Endovascular Interventions, Endovascular Stent Grafts, Endovascular Surgery, Endovascular Therapies, Extractional Atherectomy, Femoral Artery Aneurysms, General Vascular Surgery, Limb Salvage Revascularization, Limb Threatening Ischemia, Lower Extremity Angioplasty, Lower Extremity Revascularization, Lower Extremity Stenting, Mesenteric Arterial Insufficiency, Minimally Invasive Endovascular Aneurysm Repair, Minimally Invasive Interventions, Non-Invasive Flow Studies (NIFS), Peripheral Angiography, Peripheral Arterial Aneurysms, Peripheral Arterial Disease, Peripheral Vascular Disease, Popliteal Artery Aneurysms, Renal Artery Disease, Stenting, Stroke, Thoracic Aortic Aneurysms, Thoracic Outlet Syndrome, Varicose Veins, Vascular Disease , Vascular Medicine, Vascular Surgery, Vascular Ultrasound, Venous Disease, Venous Insufficiency, Venous Thromboembolism, Visceral Angioplasty

Research Interests

Surgical training and education; Outcomes research for critical limb ischemia


Dr. Margaret Arnold is a vascular surgeon specializing in the open and endovascular treatment of peripheral arterial disease, carotid disease, dialysis access, thoracic and abdominal aneurysms, strokes and venous disease. Her research focus includes general vascular surgery training and education as well as outcomes research for critical limb salvage. more

Featured Video

Peripheral Arterial Disease (PAD) Q&A

    Additional Information

  • Education +


    • University of Texas Health Science Center at San Antonio / MD (2002)


    • University of North Carolina Hospitals / General Surgery (2009)


    • Mount Sinai Medical Center / Vascular Surgery (2011)


    • American Board of Surgery / General Surgery (2013)
    • American Board of Surgery / Vascular Surgery (2013)
  • Research & Publications +

    Selected Publications


    Marcelli M, Cunningham GR, Walkup M, He Z, Sturgis L, Kagan C, Mannucci R, Nicoletti I, Teng B, Denner L. Signaling pathway activated during apoptosis of the prostate cancer cell line LNCaP: overexpression of caspase-7 as a new gene therapy strategy for prostate cancer. Cancer Res. 1999 Jan 15;59(2):382-90.

    Wright N, Samuelson L, Walkup MH, Chandresakaran P, Gerber DA. Enrichment of a Bipotent Hepatic Progenitor Cell from Nave Adult Liver Tissue. Biochem Biophys Res Commun. 2008; Feb 8; 366(3): 367-72.

    Tadros RO, Spyris CT, Vouyouka AG, Chung C, Kirshnan P, Arnold MW, Marin ML, Faries PL. Comparing the embolic potential of open and closed cell stents during carotid angioplasty and stenting. J Vasc Surg 2012 Mar 1 (epub)



    Walkup MH, Gerber DA. Hepatic Stem Cells: In Search Of. Stem Cells. 2006; 24(8): 1833-1840

    Han DK, Fishman EW, Walkup MH, Olin JA, Marin ML, Faries PL. A rare case of familial carotid body tumor in a patient with bilateral fibromuscular dysplasia. J Vasc Surg 2010. Sep;52(3):746-50

    Walkup MH, Faries PL. Update on surgical management of asymptomatic carotid stenosis. Curr Cardiol Rep. 2011 Feb;13(1):24-9.

    Han DK, Chung C, Walkup MH, Faries PL, Marin ML, Ellozy SH. Endovascular stent-graft repair of a tuberculous mycotic aortic aneurysm. Ann Vasc Surg 2011 Jul 25 (5): 699 e13-6.



    Walkup MH, Wright NR, Rice LL, Gerber DA. Endothelial Cell Impact on Adult Derived Hepatic Progenitor Cells. Journal of Surgical Research, 2006; vol. 130, No. 2. 322.

    Walkup MH, Wright NR, Rice LL, Gerber DA. Endothelial Cell Impact on Adult Derived Hepatic Progenitor Cells. The FASEB Journal, 2006.

    Walkup MH, Rice LL, Wright NR, Chandresakaran P, Gerber DA. The role of endothelial and hepatic progenitor cell interactions in organogenesis. JACS; 2006; vol. 203, no.3; S40.

    Walkup MH, Wright N, Samuelson L, Gerber DA. Endothelial Cell interactions with hepatic progenitor cells affect proliferation and differentiation. J Am Coll Surg; vol. 205, No. 3S, S64.

    Walkup MH, Chandrasekaran P, Samuelson L, Wright N. Gerber DA. Endothelial Cell lines affect differentiation of hepatic progenitor cells. The FASEB Journal; April 2007; vol. 21, no.5, A70.

    Wright N, Fiza B, Samuelson L., Walkup M, Gerber DA. Proinflammatory cytokine effects on NO and hepatic progenitor cell differentiation. The FASEB Journal; April 2007; vol. 21, no. 6, A1135.



    Walkup MH, Marston WA. (2005). Aortoiliac Occlusive Disease (AIOD)- Surgical Repair. In G Upchurch, P Henke (Ed.), Clinical Scenarios in Vascular Surgery (pp. 195-200). PA: Lippincott, Williams and Wilkins.

    Walkup MH, Mendes RR, Keagy B. (2007). Pararenal and Type IV Thoracoabdominal Aortic Aneurysm Repair Utilizing Visceral Reconstruction with Endovascular Stent Graft Exclusion. In WH Pearce, JS Matsumara, JST Yao (Ed.), Trends in Vascular Surgery (pp. 163-172). IL: Greenwood Academic.
  • Academic Affiliations & Courses +
  • Activities & Honors +


    • Department of Surgery Representative
    • Mount Sinai School of Medicine Housestaff Council, 2010 - 2011
    • Society for Vascular Surgery, 2009
      Candidate Member
    • UNC Housestaff Council, 2007 - 2008
  • Videos & Media +
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