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Michael Ries, M.D.

Chief of arthroplasty

Dr. Michael Ries is chief of the UCSF Arthroplasty Service and a specialist in the treatment of arthritis patients who require hip and knee treatment. He joined UCSF Medical Center in 1997, after serving as an arthritis fellow in the Department of Orthopedics at the University of Colorado in Denver.

Ries earned undergraduate and graduate degrees at the Massachusetts Institute of Technology and a medical degree at Dartmouth Medical School in Hanover, N.H. He completed a general surgery residency at North Shore University Hospital in Manhassett, N.Y. and an orthopedic residency at State Hospital of New York at Stony Brook. He is a professor of orthopedic surgery at UCSF.


Arthritis and Joint Replacement Center
1500 Owens St.
San Francisco, CA 94158
Phone: (415) 353–2808
Fax: (415) 885–3862

Hours: Monday to Friday, 8 a.m. – 5 p.m.

Conditions & Treatments

More about Michael Ries


Dartmouth Medical School 1982


North Shore University Hospital, General Surgery 1983


SUNY at Stony Brook, Orthopedic Surgery 1988
Univ. of Colorado, Adult Reconstructive Orthopedic 1989

Selected Research and Publications

  1. Heyse TJ, Ries MD, Bellemans J, Goodman SB, Scott RD, Wright TM, Lipman JD, Schwarzkopf R, Figgie MP. Total knee arthroplasty in patients with juvenile idiopathic arthritis. Clin Orthop Relat Res. 2014 Jan; 472(1):147-54.
  2. Liu C, Kakis A, Nichols A, Ries MD, Vail TP, Bozic KJ. Targeted Use of Vancomycin as Perioperative Prophylaxis Reduces Periprosthetic Joint Infection in Revision TKA. Clin Orthop Relat Res. 2014 Jan; 472(1):227-31.
  3. Ries MD. Electronic medical records: friends or foes? Clin Orthop Relat Res. 2014 Jan; 472(1):16-21.
  4. Hall A, Eilers M, Hansen R, Robinson BS, Maloney WJ, Paprosky WG, Ries MD, Saleh KJ. Advances in acetabular reconstruction in revision total hip arthroplasty: maximizing function and outcomes after treatment of periacetabular osteolysis around the well-fixed shell. J Bone Joint Surg Am. 2013 Sep 18; 95(18):1709-18.
  5. Ries M, Donell S, Clarke HD. Letter to the editor. Knee. 2013 Jun; 20(3):152.
  6. Ansari F, Chang J, Huddleston J, Van Citters D, Ries M, Pruitt L. Fractography and oxidative analysis of gamma inert sterilized posterior-stabilized tibial insert post fractures: Report of two cases. Knee. 2013 Dec; 20(6):609-13.
  7. Pruitt LA, Ansari F, Kury M, Mehdizah A, Patten EW, Huddlestein J, Mickelson D, Chang J, Hubert K, Ries MD. Clinical trade-offs in cross-linked ultrahigh-molecular-weight polyethylene used in total joint arthroplasty. J Biomed Mater Res B Appl Biomater. 2013 Apr; 101(3):476-84.
  8. Shearer DW, Chow V, Bozic KJ, Liu J, Ries MD. The predictors of outcome in total knee arthroplasty for post-traumatic arthritis. Knee. 2013 Dec; 20(6):432-6.
  9. Ries MD, Link TM. Monitoring and risk of progression of osteolysis after total hip arthroplasty. Instr Course Lect. 2013; 62:207-14.
  10. Ries MD. Primary arthroplasty for management of osteoporotic fractures about the knee. Curr Osteoporos Rep. 2012 Dec; 10(4):322-7.
  11. Ries MD, Link TM. Monitoring and risk of progression of osteolysis after total hip arthroplasty. J Bone Joint Surg Am. 2012 Nov 21; 94(22):2097-105.
  12. Kazakia GJ, Kuo D, Schooler J, Siddiqui S, Shanbhag S, Bernstein G, Horvai A, Majumdar S, Ries M, Li X. Bone and cartilage demonstrate changes localized to bone marrow edema-like lesions within osteoarthritic knees. Osteoarthritis Cartilage. 2013 Jan; 21(1):94-101.
  13. Saadat E, Diekmann G, Takemoto S, Ries MD. Is an algorithmic approach to the treatment of recurrent dislocation after THA effective? Clin Orthop Relat Res. 2012 Feb; 470(2):482-9.
  14. Sadeghi C, Gibson AG, Ries MD. Analysis of migration of press-fit porous-coated acetabular components with medial lucencies using Ein-Bild-Roentegen-Analyse. J Arthroplasty. 2012 Aug; 27(7):1354-7.
  15. Hey S, de Smet M, Stehning C, Grüll H, Keupp J, Moonen CT, Ries M. Simultaneous T1 measurements and proton resonance frequency shift based thermometry using variable flip angles. Magn Reson Med. 2012 Feb; 67(2):457-63.
  16. Shet K, Siddiqui SM, Yoshihara H, Kurhanewicz J, Ries M, Li X. High-resolution magic angle spinning NMR spectroscopy of human osteoarthritic cartilage. NMR Biomed. 2012 Apr; 25(4):538-44.
  17. Hey S, Cernicanu A, de Senneville BD, Roujol S, Ries M, Jaďs P, Moonen CT, Quesson B. Towards optimized MR thermometry of the human heart at 3T. NMR Biomed. 2012 Jan; 25(1):35-43.
  18. Brilhault JM, Ries MD. Influence of offset stem couplers in femoral revision knee arthroplasty: a radiographic study. Knee. 2012 Mar; 19(2):112-5.
  19. Tang SY, Souza RB, Ries M, Hansma PK, Alliston T, Li X. Local tissue properties of human osteoarthritic cartilage correlate with magnetic resonance T(1) rho relaxation times. J Orthop Res. 2011 Sep; 29(9):1312-9.
  20. Atwood SA, Van Citters DW, Patten EW, Furmanski J, Ries MD, Pruitt LA. Tradeoffs amongst fatigue, wear, and oxidation resistance of cross-linked ultra-high molecular weight polyethylene. J Mech Behav Biomed Mater. 2011 Oct; 4(7):1033-45.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.