• John Schmelzer PhD, MA, MS

  • Assoc. Res Scientist-Economics

    • Research Admin
    • 1000 North Oak Avenue 1R4 Marshfield, WI 54449


PhD, Agricultural Economics, Michigan State University
MA, Economics, Michigan State University, The Eli Broad Graduate School of Management
MS, Agricultural Economics, The Ohio State University
BS, Agricultural Economics, The Ohio State University

Work Experience

2014 to Present:
Special Advisor/Consultant, Family Health Center of Marshfield, Inc., Marshfield, WI
2004 to Present:
Director, Office for Health Services Research, Associate Research Scientist, Marshfield Clinic Research Institute, Marshfield
2000 to 2004:
Director, Center for Health Services Research, Marshfield Clinic Research Institute, Marshfield
1989 to 2000:
Senior Researcher/Policy Analyst, Center for Health Services Research, Marshfield Clinic Research Institute, Marshfield
1987 to 1989:
Associate and Economic Analyst, Frank & Associates, Health & Management Consultants, Wauwatosa
1983 to 1987:
Economic Consultant, Washington, Washington
1981 to 1983:
Agricultural Economist and Policy Analyst, Agricultural Cooperative Service, US Department of Agriculture
1975 to 1977:
Research Specialist, Department of Agricultural Economics, University of Wisconsin-Madison, Madison

Professional Societies

American Agricultural Economic Association
American Economic Association
Association for Health Services Research
National Rural Health Association
Wisconsin Rural Health Association

Select Publications

  • Marion BW, Mueller WF, Cotterill RW, Geithman FE, Schmelzer JR. (1979). The profit and price performance of leading food chains. American Journal of Agricultural Economics. 61 :420-433.
  • Purschwitz MA, Lee BC, Schmelzer JR. (1990). Agricultural injury prevention: the need for greater cooperation and involvement. J Rural Health. 6(3):221-230.
  • Kindig DA, Schmelzer JR, Hong W. (1992 October). Age distribution and turnover of physicians in nonmetropolitan counties of the United States. Health Serv Res. 27(4):565-578.
    PubMed ID: 1399657
  • Schmelzer JR. (1996). Antitrust insights for rural providers from Marshfield Clinic's experience. Rural Health FYI. 18(3)
  • Smith PN, Vidaillet HJ, Hayes JJ, Schmelzer JR. (1997). Radiofrequency ablation in the Medicare population. PACE. 20 :1213.
  • Smith PN, Vidaillet HJ, Sharma PP, Hayes JJ, Schmelzer JR. (2001 January). Catheter ablation in the elderly in the United States: use in the Medicare population from 1991 to 1998. Pacing Clin Electrophysiol. 24(1):66-69.
    PubMed ID: 11227972
  • Hillman MA, Wilke RA, Yale SH, Vidaillet HJ, Caldwell MD, Glurich IE,...Burmester JK [including Berg RL, Schmelzer JR.] (2005 August). A prospective, randomized pilot trial of model-based warfarin dose initiation using CYP2C9 genotype and clinical data. Clin Med Res. 3(3):137-145.
    PubMed ID: 16160068
  • Caldwell MD, Berg RL, Zhang KQi, Glurich IE, Schmelzer JR, Yale SH,...Burmester JK [including Vidaillet HJ.] (2007 March). Evaluation of genetic factors for warfarin dose prediction. Clin Med Res. 5(1):8-16.
    PubMed ID: 17456829
  • Caldwell MD, Awad T, Johnson JA, Gage BF, Falkowski M, Gardina P,...Burmester JK [including Schmelzer JR, Glurich IE, Vidaillet HJ, Yale SH, Zhang KQi, Berg RL.] (2008 April). CYP4F2 genetic variant alters required warfarin dose. BLOOD. 111(8):4106-12.
    PubMed ID: 18250228
  • Schmelzer JR, Berg RL, Burmester JK, Yale SH, Caldwell MD. (2009 March). Is cost-effective genotype-informed warfarin dosing closer than we think? Ann Intern Med. [www.annals.org]
  • Yale SH, Schmelzer JR. (2009 September). Asthma Guidelines: The Product of Science and Politics. ANNALS OF FAMILY MEDICINE.
  • Go A, Fan D, Chang Y, Chan J, Lieu T, Magid D,...Singer D [including Schmelzer J.] (2010). Quality of Anticoagulation Management in Atrial Fibrillation and Venous Thromboembolism: The CVRN WAVE Study. CIRCULATION. 122(18 Suppl 3):A13870.
  • Yazigi N, Yale S, Glurich, I, Schmelzer, J, Burmester, J, Berg, R, Caldwell, M. (2010). Modeling Clearance of Warfarin - Preliminary Report. J Gen Intern Med. 25(Suppl 3):334.
  • Burmester JK, Berg RL, Yale SH, Rottscheit CM, Glurich IE, Schmelzer JR, Caldwell MD. (2011 June). A randomized controlled trial of genotype-based Coumadin initiation. Genet Med. 13(6):509-18.
    PubMed ID: 21423021
  • Godar DA, Kumar DR, Schmelzer KM, Talsness SR, Liang H, Schmelzer JR,...Yale SH [including Mazza JJ.] (2011 February). The impact of serum glucose on clinical outcomes in patients hospitalized with community-acquired pneumonia. WMJ. 110(1):14-20.
    PubMed ID: 21473508
  • Pawloski P, Hedblom B, Hitz P, Owens B, Anderson C, McCarty CA,...Schmelzer JR [including Yale SH.] (2011 November). PS1-31: Assessing the Potential for Research on Genetics of Drug Induced Liver Injury in the HMORN Clinical Medicine & Research. 9(3-4):180.
  • Hemmes M, Arterburn DE, Gerhard G, McCarty CA, Nakasato C, Pawloski P,...Davis R [including Schmelzer JR, Yale SH.] (2011 November). PS1-18: A Feasibility Pilot to Determine the Practicality of Using the HMO Research Network to Research the Genetics of Drug-Induced Serious Adverse Events Clinical Medicine & Research. 9(3-4):180-1.
  • Burmester JK, Berg RL, Glurich IE, Yale SH, Schmelzer JR, Caldwell MD. (2011 November). Absence of novel CYP4F2 and VKORC1 coding region DNA variants in patients requiring high warfarin doses. Clinical Medicine & Research. 9(3-4):119-24.
    PubMed ID: 21562135
  • Kimmel SE, French B, Kasner SE, Johnson JA, Anderson JL, Gage BF,...Mazza, JJ [including Caldwell MD, Schmelzer, J.] (2013 December 12). A pharmacogenetic versus a clinical algorithm for warfarin dosing. N Engl J Med. 369(24):2283-93.
    PubMed ID: 24251361
  • Fang M, Fan D, Witt D, Schmelzer J, Yale S, Steinhubl S,...Go A. (2013). The Association of Warfarin Control With Pulmonary Embolism Mortality: The CVRN VTE Study. CIRCULATION. 128(22):A12186.
  • Fang M, Fan D, Witt D, Schmelzer J, Yale S, Steinhubl S,...Go A. (2013). Embolism Outcomes After Discharge From the Emergency Department: The CVRN VTE Study. CIRCULATION. 128(22):A12181.
  • Burns ME, Dague L, DeLeire T, Dorsch M, Friedsam D, Leininger LJ,...Voskuil K [including Schmelzer J.] (2014 December). The effects of expanding public insurance to rural low-income childless adults. Health Serv Res. 49 Suppl 2 :2173-87.
    PubMed ID: 25262774
  • Leonhard LG, Berg RL, Burmester JK, Mazza JJ, Schmelzer JR, Yale SH. (2015 March). Reinitiating Warfarin: Relationships Between Dose and Selected Patient, Clinical and Hospital Measures. Clinical Medicine & Research. 13(1):1-6.
    PubMed ID: 24899695
  • Burmester JK, Berg RL, Schmelzer JR, Mazza JJ, Yale SH. (2015 February). Factors that affect rate of INR decline after warfarin discontinuation. WMJ. 114(1):16-20.
    PubMed ID: 25845131
  • Fang MC, Fan D, Sung SH, Witt DM, Yale SH, Steinhubl SR,...Schmelzer, John. (2015 June). Outcomes in adults with acute pulmonary embolism who are discharged from emergency departments: the Cardiovascular Research Network Venous Thromboembolism study. JAMA Intern Med. 175(6):1060-2.
    PubMed ID: 25894761
  • Bell LN, Berg RL, Schmelzer JR, Liang H, Mazza JJ, Kanth R,...Yale SH. (2017 January). Thromboembolic complications following a first isolated episode of superficial vein thrombosis: a cross-sectional retrospective study. J. Thromb. Thrombolysis. 43(1):31-37.
    PubMed ID: 27565478
  • Fang MC, Fan D, Sung SH, Witt DM, Schmelzer JR, Steinhubl SR,...Go AS. (2017 December). Validity of Using Inpatient and Outpatient Administrative Codes to Identify Acute Venous Thromboembolism: The CVRN VTE Study. Med Care. 55(12):e137-e143.
    PubMed ID: 29135777