Nathanael Fillmore, PhD

Adjunct Instructor, Medicine

Nathanael Fillmore
72 E. Concord Street


I lead a group at the VA Boston Healthcare System and Harvard Medical School that uses VA clinical, genomic, and imaging data, together with machine learning and statistical methods, in research to improve patient care. We are also working on software and methodological improvements to support these efforts.


  • University of Wisconsin Madison, PhD
  • University of Wisconsin Madison, MS
  • Carleton College, BA


  • Published on 4/17/2023

    Li A, De Las Pozas G, Andersen CR, Nze CC, Toale KM, Milner EM, Fillmore NR, Chiao EY, Rojas Hernandez C, Kroll MH, Merriman KW, Flowers CR. External validation of a novel electronic risk score for cancer-associated thrombosis in a comprehensive cancer center. Am J Hematol. 2023 Apr 17. PMID: 37067102.

    Read at: PubMed
  • Published on 3/1/2023

    Ganti AK, Fillmore NR, Bihn J, La J, Brophy MT, Do NV, Kelley M. Risk factors of SARS-CoV-2 infection and complications from COVID-19 in lung cancer patients. Int J Clin Oncol. 2023 Apr; 28(4):531-542. PMID: 36859565.

    Read at: PubMed
  • Published on 3/1/2023

    Stabellini N, Cullen J, Bittencourt MS, Moore JX, Cao L, Weintraub NL, Harris RA, Wang X, Datta B, Coughlin SS, Garcia J, Shanahan J, Hamerschlak N, Waite K, Fillmore NR, Terris M, Montero AJ, Barnholtz-Sloan JS, Guha A. Allostatic load and cardiovascular outcomes in males with prostate cancer. JNCI Cancer Spectr. 2023 Mar 01; 7(2). PMID: 36752520.

    Read at: PubMed
  • Published on 2/28/2023

    Edwards CV, Hassan H, Yildirim C, Ferri G, Verma KP, Murray Horwitz ME, Fillmore NR, Munshi NC. Peripheral blood monocyte count is a dynamic prognostic biomarker in multiple myeloma. Blood Adv. 2023 Feb 28; 7(4):482-490. PMID: 36409606.

    Read at: PubMed
  • Published on 1/25/2023

    Elbers DC, La J, Minot JR, Gramling R, Brophy MT, Do NV, Fillmore NR, Dodds PS, Danforth CM. Sentiment analysis of medical record notes for lung cancer patients at the Department of Veterans Affairs. PLoS One. 2023; 18(1):e0280931. PMID: 36696437.

    Read at: PubMed
  • Published on 1/10/2023

    Li A, La J, May SB, Guffey D, da Costa WL, Amos CI, Bandyo R, Milner EM, Kurian KM, Chen DCR, Do NV, Granada C, Riaz N, Brophy MT, Chitalia V, Gaziano JM, Garcia DA, Carrier M, Flowers CR, Zakai NA, Fillmore NR. Derivation and Validation of a Clinical Risk Assessment Model for Cancer-Associated Thrombosis in Two Unique US Health Care Systems. J Clin Oncol. 2023 Jan 10; JCO2201542. PMID: 36626707.

    Read at: PubMed
  • Published on 12/28/2022

    La J, DuMontier C, Hassan H, Abdallah M, Edwards C, Verma K, Ferri G, Dharne M, Yildirim C, Corrigan J, Gaziano JM, Do NV, Brophy MT, Driver JA, Munshi NC, Fillmore NR. Validation of algorithms to select patients with multiple myeloma and patients initiating myeloma treatment in the national Veterans Affairs Healthcare System. Pharmacoepidemiol Drug Saf. 2023 May; 32(5):558-566. PMID: 36458420.

    Read at: PubMed
  • Published on 12/14/2022

    La J, Fillmore NR, Do NV, Brophy M, Monach PA, Branch-Elliman W. Factors associated with the speed and scope of diffusion of COVID-19 therapeutics in a nationwide healthcare setting: a mixed-methods investigation. Health Res Policy Syst. 2022 Dec 14; 20(1):134. PMID: 36517793.

    Read at: PubMed
  • Published on 11/7/2022

    Fillmore NR, Szalat RE, La J, Branch-Elliman W, Monach PA, Nguyen V, Samur MK, Brophy MT, Do NV, Munshi NC. Recent common human coronavirus infection protects against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection: A Veterans Affairs cohort study. Proc Natl Acad Sci U S A. 2022 Nov 16; 119(46):e2213783119. PMID: 36343242.

    Read at: PubMed
  • Published on 10/3/2022

    Vo AD, La J, Wu JT, Strymish JM, Ronan M, Brophy M, Do NV, Branch-Elliman W, Fillmore NR, Monach PA. Factors Associated With Severe COVID-19 Among Vaccinated Adults Treated in US Veterans Affairs Hospitals. JAMA Netw Open. 2022 Oct 03; 5(10):e2240037. PMID: 36264571.

    Read at: PubMed

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