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Allison Willis, MD, MS
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Attending Neurologist, University of Pennsylvania Health System
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Faculty Scholar, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania Perelman School of Medicine
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Faculty Scholar, Institute of Aging, University of Pennsylvania Perelman School of Medicine
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Senior Scholar, Leonard Davis Institute of Health Economics, University of Pennsylvania School of Medicine
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Faculty Scholar, Center for Real World Effectiveness and Safety of Therapeutics, University of Pennsylvania Perelman School of Medicine
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Co-Director, Resource Center for Minority Aging Research, University of Pennsylvania Perelman School of Medicine
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Associate Chief of Staff, Neurology, Corporal Michael J. Crescenz VA Medical Center
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Associate Director, Center for Health Equity Research and Promotion, A VA Center of Innovation, Corporal Michael J. Crescenz VA Medical Center
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Department: Neurology
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Contact information
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Blockley Hall, Room 811
35 423 Guardian Drive
Philadelphia, PA 19104
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35 423 Guardian Drive
Philadelphia, PA 19104
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Lab: 2155734983
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Education:
21 7 MD 15 (Medicine) c
43 University of Illinois College of Medicine, 2002.
21 9 MSCI 38 (Master of Science in Clinical Investigation) c
41 Washington University School of Medicine, 2013.
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21 7 MD 15 (Medicine) c
43 University of Illinois College of Medicine, 2002.
21 9 MSCI 38 (Master of Science in Clinical Investigation) c
41 Washington University School of Medicine, 2013.
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Post-Graduate Training
24 57 Medicine Intern, Washington University School of Medicine, 2002-2003.
24 60 Adult Neurology Resident, Washington University School of Medicine, 2003-2005.
24 67 Adult Neurology Chief Resident, Washington University School of Medicine , 2005-2006.
24 61 Movement Disorders Fellow, Washington University School of Medicine, 2006-2009.
24 88 Graduate Program in Clinical Investigation, Applied Epidemiology, Washington University School of Medicine, 2009-2013.
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24 57 Medicine Intern, Washington University School of Medicine, 2002-2003.
24 60 Adult Neurology Resident, Washington University School of Medicine, 2003-2005.
24 67 Adult Neurology Chief Resident, Washington University School of Medicine , 2005-2006.
24 61 Movement Disorders Fellow, Washington University School of Medicine, 2006-2009.
24 88 Graduate Program in Clinical Investigation, Applied Epidemiology, Washington University School of Medicine, 2009-2013.
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Certifications
28 53 Diplomat of the American Board of Psychiatry and Neurology, 2008.
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Permanent link28 53 Diplomat of the American Board of Psychiatry and Neurology, 2008.
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159 Getz, M., Charleston, L. th, Armand, C. E., Willis, A. W., Seng, E.: Plain Language Summary Publication: Perceived discrimination and migraine-specific quality of life: A cross-sectional survey study in a Black/African American sample. Headache 65(8): 1500-1501, 2025.
118 Nguyen, Thanh Phuong Pham, Le, Vy, Weintraub, Daniel, Willis, Allison W: Impact of pimavanserin on prescribing practices in parkinson disease. Clinical Parkinsonism & Related Disorders Page: 100317, 2025.
117 Hamedani, Ali G, Willis, Allison W, Ying, Gui-Shuang: Self-reported visual difficulty, age-related eye disease, and neuropsychiatric outcomes in older adults. Ophthalmic Epidemiology 32(1): 103-111, 2025.
1c6 Dublin, Sascha, Albertson‐Junkans, Ladia, Pham Nguyen, Thanh Phuong, Pavon, Juliessa M, Hastings, S Nicole, Maciejewski, Matthew L, Willis, Allison, Zepel, Lindsay, Hennessy, Sean, Albers, Kathleen B: Defining key deprescribing measures from electronic health data: A multisite data harmonization project. Journal of the American Geriatrics Society 73(2): 399-410, 2025.
19a Vo, Anh Khoa, Crispo, James AG, Liu, Lisa JW, Thibault, Dylan, Willis, Allison W, Griesdale, Donald EG, Kramer, John LK, Cragg, Jacquelyn J: Examining the effects of race/ethnicity and other factors on outcomes of care for complex regional pain syndrome type 1 in the United States. PLOS Global Public Health 5(1): e0004022, 2025.
113 Pham Nguyen, Thanh Phuong, Thibault, Dylan, Hamedani, Ali G, Willis, Allison W: Attitudes and beliefs towards medication burden and deprescribing in Parkinson disease. BMC neurology 24(1): 325, 2024.
160 Aamodt, Whitley W, Sun, Chuxuan, Dahodwala, Nabila, Elser, Holly, Schneider, Andrea LC, Farrar, John T, Coe, Norma B, Willis, Allison W: End-of-life health care service use and cost among Medicare decedents with neurodegenerative diseases. Neurology 103(9): e209925, 2024.
16d Tropea, Thomas F, Hartstone, Whitney, Amari, Noor, Baum, Dylan, Rick, Jacqueline, Suh, Eunran, Zhang, Hanwen, Paul, Rachel A, Han, Noah, Zack, Rebecca: Genetic and phenotypic characterization of Parkinson’s disease at the clinic-wide level. NPJ Parkinson's Disease 10(1): 97, 2024.
15c Tropea, Thomas F, Hartstone, Whitney, Amari, Noor, Baum, Dylan, Rick, Jacqueline, Suh, Eunran, Zhang, Hanwen, Paul, Rachel A, Han, Noah, Zack, Rebecca: Molecular Integration in Neurological Diagnosis (MIND) Parkinson''s Disease Inception Cohort Study Protocol. 2024.
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Selected Publications
170 Pham Nguyen, Thanh Phuong, Thibault, Dylan, Gray, Shelly L, Weintraub, Daniel, Willis, Allison W: Impact of Anticholinergic Burden and Clinical-Demographic Characteristics on Incident Dementia in Parkinson Disease. Journal of Geriatric Psychiatry and Neurology Page: 08919887241313376, 2025.159 Getz, M., Charleston, L. th, Armand, C. E., Willis, A. W., Seng, E.: Plain Language Summary Publication: Perceived discrimination and migraine-specific quality of life: A cross-sectional survey study in a Black/African American sample. Headache 65(8): 1500-1501, 2025.
118 Nguyen, Thanh Phuong Pham, Le, Vy, Weintraub, Daniel, Willis, Allison W: Impact of pimavanserin on prescribing practices in parkinson disease. Clinical Parkinsonism & Related Disorders Page: 100317, 2025.
117 Hamedani, Ali G, Willis, Allison W, Ying, Gui-Shuang: Self-reported visual difficulty, age-related eye disease, and neuropsychiatric outcomes in older adults. Ophthalmic Epidemiology 32(1): 103-111, 2025.
1c6 Dublin, Sascha, Albertson‐Junkans, Ladia, Pham Nguyen, Thanh Phuong, Pavon, Juliessa M, Hastings, S Nicole, Maciejewski, Matthew L, Willis, Allison, Zepel, Lindsay, Hennessy, Sean, Albers, Kathleen B: Defining key deprescribing measures from electronic health data: A multisite data harmonization project. Journal of the American Geriatrics Society 73(2): 399-410, 2025.
19a Vo, Anh Khoa, Crispo, James AG, Liu, Lisa JW, Thibault, Dylan, Willis, Allison W, Griesdale, Donald EG, Kramer, John LK, Cragg, Jacquelyn J: Examining the effects of race/ethnicity and other factors on outcomes of care for complex regional pain syndrome type 1 in the United States. PLOS Global Public Health 5(1): e0004022, 2025.
113 Pham Nguyen, Thanh Phuong, Thibault, Dylan, Hamedani, Ali G, Willis, Allison W: Attitudes and beliefs towards medication burden and deprescribing in Parkinson disease. BMC neurology 24(1): 325, 2024.
160 Aamodt, Whitley W, Sun, Chuxuan, Dahodwala, Nabila, Elser, Holly, Schneider, Andrea LC, Farrar, John T, Coe, Norma B, Willis, Allison W: End-of-life health care service use and cost among Medicare decedents with neurodegenerative diseases. Neurology 103(9): e209925, 2024.
16d Tropea, Thomas F, Hartstone, Whitney, Amari, Noor, Baum, Dylan, Rick, Jacqueline, Suh, Eunran, Zhang, Hanwen, Paul, Rachel A, Han, Noah, Zack, Rebecca: Genetic and phenotypic characterization of Parkinson’s disease at the clinic-wide level. NPJ Parkinson's Disease 10(1): 97, 2024.
15c Tropea, Thomas F, Hartstone, Whitney, Amari, Noor, Baum, Dylan, Rick, Jacqueline, Suh, Eunran, Zhang, Hanwen, Paul, Rachel A, Han, Noah, Zack, Rebecca: Molecular Integration in Neurological Diagnosis (MIND) Parkinson''s Disease Inception Cohort Study Protocol. 2024.
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