Robert Wellman, MS


“Being part of Kaiser Permanente research teams gives me a chance to develop cutting-edge biostatistical methods while contributing to health care research with a national impact.”

Robert Wellman, MS

Senior Collaborative Biostatistician, Kaiser Permanente Washington Health Research Institute


A graduate of the University of Washington (UW) biostatistics program, Robert Wellman, MS, joined the Kaiser Permanente Washington Health Research Institute (KPWHRI) Biostatistics Unit in 2009. His work spans a diverse collection of topics including mental health, pharmacoepidemiology, postmarketing drug safety surveillance, obesity, diagnostic test accuracy, back pain, and breast cancer. Prior to this, he spent 5 years in the Biostatistics Core at the UW Center for AIDS Research.

Research interests and experience

  • Biostatistics

    Causal inference; longitudinal data; diagnostic and screening test accuracy; clinical trials; survival analysis: rare disease outcomes; nonparametrics; missing data; electronic data; distributed data; statistical computing

    Vaccines & Infectious Diseases

    Biostatistics; HIV/AIDS; vaccine safety

    Complementary & Integrative Health

    Biostatistics; clinical trials; back pain


    Biostatistics; bariatric surgery

  • Cancer

    Biostatistics; breast cancer; effects of chemotherapy; accuracy of automated data; screening test accuracy; advanced imaging

    Medication Use & Patient Safety

    Biostatistics; pharmacoepidemiology; postmarketing drug safety surveillance; big data; electronic health record and claims data

    Mental Health

    Biostatistics; suicide risk prediction, machine learning


Recent publications

Cook AJ, Tiwari RC, Wellman RD, Heckbert SR, Li L, Heagerty P, Marsh T, Nelson JC. Statistical approaches to group sequential monitoring of postmarket safety surveillance data: current state of the art for use in the Mini-Sentinel pilot. Pharmacoepidemiol Drug Saf. 2012;21 Suppl 1:72-81. doi: 10.1002/pds.2320. PubMed

Delate T, Bowles E, Pardee R, Wellman R, Habel L, Yood M, Nekhlyudov L, Goddard K, Davis R, McCarty C, Onitilo A, Feigelson H, Freml J, Wagner E. Validity of HMO administrative data for breast cancer chemotherapy exposure. Clin Med Res. 2011;9(3-4):146. PubMed

Bowles EA, Wellman R, Delate T, Allen L, Feigelson HS, Yood MU, Davis R, Nekhlyudov L, McCarty C, Habel L, Magid D, Onitilo A, Freedman A, Wagner E. Cardiotoxic chemotherapy is associated with increased heart failure risk among women with breast cancer in the Cancer Research Network. Clin Med Res. 2011;9(3-4):148. PubMed

Sherman KJ, Cherkin DC, Wellman RD, Cook AJ, Hawkes RJ, Delaney K, Deyo RA. A randomized trial comparing yoga, stretching, and a self-care book for chronic low back pain. Arch Intern Med. 2011 2011 Dec 12;171(22):2019-26. Epub 2011 Oct 24. PubMed

Hecht F, Wellman R, Busch M, Little S, Markowitz M, Collier A, Margolick J, Norris P, Routy JP, Holte S Identifying the early post-HIV antibody seroconversion period. J Infect Dis. 2011 Aug 15;204(4):526-33. doi: 10.1093/infdis/jir304.




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