Daniel Y. Kim

2026

Sentinel lymph node biopsy utilization and positivity in veterans with cutaneous melanoma: A comparative analysis of the VA Cancer Registry and the SEER Program.

Daniel Y. Kim, Susan M. Swetter, Linden Huhmann, Jacqueline M. Ferguson, Kimberly Breglio, Allyson C. Spence, Lee Wheless, Mary T. Brophy, Nhan V. Do, Nathanael Fillmore^‡, Rebecca I. Hartman^‡‡ Equal senior authorship

Journal of the American Academy of Dermatology

U.S. Veterans and VA Data Cutaneous Melanoma VA Cancer Registry SEER Database Sentinel Lymph Node Biopsy

2026

A retrospective cohort study using the Veterans Affairs Cancer Registry database: Increased hazard of Parkinson's disease in United States Veterans with melanoma.

Linden B. Huhmann^†, Jonathan C. Hwang^†, David Perez, Daniel Y. Kim, Kaelyn Nannini, Nhan V. Do, John M. Gaziano, Mary T. Brophy, Lee E. Wheless, Nathanael R. Fillmore^‡, Rebecca I. Hartman^‡† Equal first authorship · ^‡ Equal senior authorship

Journal of the American Academy of Dermatology

Cutaneous Melanoma Parkinson's Disease Retrospective Cohort Study U.S. Veterans and VA Data VA Cancer Registry

2026

Association of Frailty With Transfusions, Hospitalizations, and Survival in Patients With Myelodysplastic Syndrome Initiating Hypomethylating Agents.

Anahid Hamparsumian^†, Jennifer La^†, Mayuri Dharne, Gary Gilbert, Mary T. Brophy, Nhan V. Do, Dae Hyun Kim, Jane A. Driver, Nathanael R. Fillmore^‡, Clark DuMontier^‡† Equal first authorship · ^‡ Equal senior authorship

EJHaem7(4), e70352

U.S. Veterans and VA Data Retrospective Cohort Study Frailty Overall Survival Hospitalization Metrics

2026

Frailty and survival outcomes in veterans with invasive cutaneous melanoma: A Veterans Affairs Cancer Registry retrospective cohort study.

Linden B. Huhmann^†, Jonathan C. Hwang^†, Daniel Y. Kim, Kaelyn Nannini, Nhan V. Do, John M. Gaziano, Lee E. Wheless, Nathanael R. Fillmore^‡, Rebecca I. Hartman^‡† Equal first authorship · ^‡ Equal senior authorship

Journal of the American Academy of Dermatology95(1), 240-243

U.S. Veterans and VA Data Retrospective Cohort Study Cancer-Associated Thrombosis Cutaneous Melanoma Overall Survival

2026

Parkinson's disease and risk of melanoma in United States veterans: A Veterans Affairs Cancer Registry retrospective cohort study.

Jonathan C. Hwang^†, Linden B. Huhmann^†, David Perez, Daniel Y. Kim, Kaelyn Nannini, Nhan V. Do, John M. Gaziano, Mary T. Brophy, Lee E. Wheless, Nathanael R. Fillmore^‡, Rebecca I. Hartman^‡† Equal first authorship · ^‡ Equal senior authorship

Journal of the American Academy of Dermatology94(6), 1811-1814

U.S. Veterans and VA Data Retrospective Cohort Study VA Cancer Registry Parkinson's Disease Cutaneous Melanoma

2025

Treatment and disease-specific survival differences among veterans with Merkel cell carcinoma.

Daniel Y. Kim, Linden Huhmann, Daniel S. Hippe, Lee Wheless, Michelle Pavlis, Jonathan C. Hwang, Mary T. Brophy, Nhan V. Do, Paul Nghiem, Nathanael Fillmore^‡, Rebecca I. Hartman^‡‡ Equal senior authorship

Journal of the American Academy of Dermatology93(4), 1103-1106

U.S. Veterans and VA Data VA Cancer Registry SEER Database Merkel Cell Carcinoma Disease Specific Survival

2025

Area Deprivation Index and Melanoma Thickness in Veterans.

Alejandra K. Moncayo, Jacqueline M. Ferguson, Mathew P. Dizon, Linden Huhmann, Daniel Y. Kim, Nhan Do, Mary T. Brophy, Thomas F. Osborne, Allyson C. Spence, Nathanael R. Fillmore, Susan M. Swetter^‡, Rebecca I. Hartman^‡‡ Equal senior authorship

JAMA Dermatology161(6), 582-588

U.S. Veterans and VA Data Electronic Health Records Cutaneous Melanoma Health Disparities Area Deprivation Index

2025

Multimorbidity and Its Impact in Older U.S. Veterans Newly Treated for Advanced Non-Small Cell Lung Cancer.

Joseph R. Larsen^†, Chunlei Zheng^†, Jennifer La, Julie Tsu-Yu Wu, Michael Kelley, J. Michael Gaziano, Mary Brophy, Nhan V. Do, Dae H. Kim, Jane A. Driver, Clark DuMontier^‡, Nathanael R. Fillmore^‡† Equal first authorship · ^‡ Equal senior authorship

Annals of the American Thoracic Society22(4), 598-608

U.S. Veterans and VA Data Retrospective Cohort Study Lung Cancer Overall Survival Geriatric Oncology

2024

Real-world effectiveness of immune checkpoint inhibitors and BRAF/MEK inhibitors among veteran patients with cutaneous melanoma.

Daniel Y. Kim, Susan M. Swetter, Linden Huhmann, Matthew P. Dizon, Jacqueline M. Ferguson, Thomas F. Osborne, Allyson C. Spence, Amina Ziad, Nathanael Fillmore^‡, Rebecca I. Hartman^‡‡ Equal senior authorship

Journal of the American Academy of Dermatology90(3), 620-623

U.S. Veterans and VA Data Retrospective Cohort Study Cutaneous Melanoma Immune Checkpoint Inhibitors BRAF/MEK Inhibitors

2023

Construct validity of the electronic Veterans Affairs Frailty Index against clinician frailty assessment.

Clark DuMontier^†, Robert Hennis^†, Cenk Yilidirim, Benjamin J. Seligman, Valencia Carolina Fonseca, Brooke L. Lubinski, Stephanie M. Sison, Mayuri Dharne, Dae Hyun Kim, Andrea Wershof Schwartz, Jane A. Driver, Nathanael R. Fillmore^‡, Ariela R. Orkaby^‡† Equal first authorship · ^‡ Equal senior authorship

Journal of the American Geriatrics Society71(12), 3857-3864

U.S. Veterans and VA Data Electronic Health Records Frailty Electronic Frailty Index Construct Validity

2023

More intensive therapy as more effective treatment for frail patients with multiple myeloma [corrected].

Clark DuMontier^†, Jennifer La^†, John Bihn, June Corrigan, Cenk Yildirim, Mayuri Dharne, Hamza Hassan, Sarvari Yellapragada, Gregory A. Abel, J. Michael Gaziano, Nhan V. Do, Mary Brophy, Dae H. Kim, Nikhil C. Munshi, Nathanael R. Fillmore^‡, Jane A. Driver^‡† Equal first authorship · ^‡ Equal senior authorship

Blood Advances7(20), 6275-6284

U.S. Veterans and VA Data Retrospective Cohort Study Multiple Myeloma Frailty Overall Survival

2021

Defining Multimorbidity and Its Impact in Older United States Veterans Newly Treated for Multiple Myeloma.

Nathanael R. Fillmore^†, Clark DuMontier^†, Cenk Yildirim, Jennifer La, Mara M. Epstein, David Cheng, Diana Cirstea, Sarvari Yellapragada, Gregory A. Abel, J. Michael Gaziano, Nhan Do, Mary Brophy, Dae H. Kim, Nikhil C. Munshi, Jane A. Driver^† Equal first authorship

Journal of the National Cancer Institute113(8), 1084-1093

U.S. Veterans and VA Data Retrospective Cohort Study Multiple Myeloma Overall Survival Geriatric Oncology

2021

Contemporary Analysis of Electronic Frailty Measurement in Older Adults with Multiple Myeloma Treated in the National US Veterans Affairs Healthcare System.

Clark DuMontier^†, Nathanael R. Fillmore^†, Cenk Yildirim, David Cheng, Jennifer La, Ariela R. Orkaby, Brian Charest, Diana Cirstea, Sarvari Yellapragada, John Michael Gaziano, Nhan Do, Mary T. Brophy, Dae H. Kim, Nikhil C. Munshi, Jane A. Driver^† Equal first authorship

Cancers13(12)

U.S. Veterans and VA Data Retrospective Cohort Study Electronic Health Records Multiple Myeloma Frailty

2021

Updating and Validating the U.S. Veterans Affairs Frailty Index: Transitioning From ICD-9 to ICD-10.

David Cheng^†, Clark DuMontier^†, Cenk Yildirim, Brian Charest, Chelsea E. Hawley, Min Zhuo, Julie M. Paik, Enzo Yaksic, J. Michael Gaziano, Nhan Do, Mary Brophy, Kelly Cho, Dae H. Kim, Jane A. Driver, Nathanael R. Fillmore^‡, Ariela R. Orkaby^‡† Equal first authorship · ^‡ Equal senior authorship

Journals of Gerontology: Series A76(7), 1318-1325

U.S. Veterans and VA Data Electronic Health Records Frailty Electronic Frailty Index ICD-10 Coding