Penn Medicine Provider
Rheumatology
Peter A. Merkel, MD, MPH
4.9
(96)
Accepting new patients
Sees patients age 18 and up
Penn Rheumatology Perelman

About me

  • Chief, Division of Rheumatology
  • Professor of Medicine (Rheumatology)
  • Professor of Epidemiology in Biostatistics and Epidemiology

Education and training

  • Medical School: Yale University
  • Residency: Hospital of the University of Pennsylvania
  • Fellowship: Massachusetts General Hospital

What my patients think about me

Average Rating
4.9

96 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

April 2025
5.0
5.0
best doctor ever!
April 2025
5.0
5.0
dr. merkel is a great doctor. very thorough.
March 2025
5.0
5.0
extremely professional
March 2025
5.0
5.0
so knowledgeable on my specific information and also about gpa in general

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Merkel is a Penn Medicine physician.

Qualifications and experience

My research

Mann S, Hussain A, Dua AB, Patrone A, Larson K, Merkel PA, Micheletti RG Vasculitis Patient-Powered Research Network. Assessment of Cutaneous Vasculitis and Quality of Life , JAMA Dermatol, 159(6): 2023,667-9


Putman MS, Gribbons KB, Ponte C, Robson J, Suppiah R, Craven A, Watts R, Luqmani R, Merkel PA, Archer AM, Grayson PC. "Clinicopathologic Associations in a Large International Cohort of Patients with Giant Cell Arteritis". , Arthritis Care Res (Hoboken): 2020


Ortiz-Fernández L, Saruhan-Direskeneli G, Alibaz-Oner F, Kaymaz-Tahra S, Coit P, Kong X, Kiprianos AP, Maughan RT, Aydin SZ, Aksu K, Keser G, Kamali S, Inanc M, Springer J, Akar S, Onen F, Akkoc N, Khalidi NA, Koening C, Karadag O, Kiraz S, Forbess L, Langford CA, McAlear CA, Ozbalkan Z, Yavuz S, Çetin GY, Alpay-Kanitez N, Chung S, Ates A, Karaaslan Y, McKinnon-Maksimowicz K, Monach PA, Ozer HTE, Seyahi E, Fresko I, Cefle A, Seo P, Warrington KJ, Ozturk MA, Ytterberg SR, Cobankara V, Onat AM, Duzgun N, Bıcakcıgil M, Yentür SP, Lally L, Manfredi AA, Baldissera E, Erken E, Yazici A, Kısacık B, Kaşifoğlu T, Dalkilic E, Cuthbertson D, Pagnoux C, Sreih A, Reales G, Wallace C, Wren JD, Cunninghame-Graham DS, Vyse TJ, Sun Y, Chen H, Grayson PC, Tombetti E, Jiang L, Mason JC, Merkel PA, Direskeneli H, Sawalha AH. "Identification of susceptibility loci for Takayasu arteritis through a large multi-ancestral genome-wide association study". , Am J Hum Genet: 2020


Monti S, Quinn KA, Christensen R, Jayne D, Langford C, Lanier GE, Mahr A, Pagnoux C, Viðarsdóttir MB, Merkel PA, Tomasson G. "Use and reporting of outcome measures in randomized trials for anti-neutrophil cytoplasmic antibody-associated vasculitis: a systematic literature review". , Semin Arthritis Rheum., 50(6): 2020,1314-25


Merkel PA, Niles J, Jimenez R, Spiera RF, Rovin BH, Bomback A, Pagnoux C, Potarca A, Schall TJ, Bekker P. "Adjunctive Treatment With Avacopan, an Oral C5a Receptor Inhibitor, in Patients With Antineutrophil Cytoplasmic Antibody-Associated Vasculitis". , ACR Open Rheumatol, 2(11): 2020,662-71


George MD, Venkatachalam S, Banerjee S, Baker JF, Merkel PA, Gavigan K, Curtis D, Danila MI, Curtis JR, Nowell WB. "Concerns, Healthcare Use, and Treatment Interruptions in Patients With Common Autoimmune Rheumatic Diseases During the COVID-19 Pandemic". , J Rheumatol: 2020


Danda D, Goel R, Joseph G, Kumar ST, Nair A, Ravindran R, Jeyaseelan L, Merkel PA, Grayson PC. "Clinical course of 602 patients with Takayasu's arteritis: comparison between Childhood-onset versus adult onset disease". , Rheumatology (Oxford). : 2020


Hatemi G, Meara A, Ozguler Y, Direskeneli H, Mahr A, Shea B, Cam E, Gul A, Yazici Y, Tugwell P, Yazici H, Merkel PA; "The OMERACT Core Set of Domains for Outcome Measures in Behçet Syndrome". , Arthritis Care Res (Hoboken). : 2020


Mustapha N, Barra L, Carette S, Cuthbertson D, Khalidi NA, Koening CL, Langford CA, McAlear CA, Milman N, Moreland LW, Monach PA, Seo P, Specks U, Sreih AG, Ytterberg SY, Merkel PA, Pagnoux C; "Efficacy of leflunomide in the treatment of vasculitis". , Clin Exp Rheumatol: 2020


Schnappauf O, Sampaio Moura N, Aksentijevich I, Stoffels M, Ombrello AK, Hoffmann P, Barron K, Remmers EF, Hershfield M, Kelly SJ; NISC Comparative Sequencing Program, Cuthbertson D, Carette S, Chung SA, Forbess L, Khalidi NA, Koening CL, Langford CA, McAlear CA, Monach PA, Moreland L, Pagnoux C, Seo P, Springer JM, Sreih AG, Warrington KJ, Ytterberg SR, Kastner DL, Grayson PC, Merkel PA "Vasculitis Clinical Research Consortium. Sequence-based screening of patients with idiopathic polyarteritis nodosa, granulomatosis with polyangiitis, and microscopic polyangiitis for deleterious genetic variants in ADA2". , Arthritis Rheumatol: 2020