Jonathan Baker, PA-C, MPAS

Sub-Investigator and HRA Provider
Associated Study Sites:
Laser Surgery Care

420 W. 23rd St., Suite PB

New York NY 10011

Tel: 212.242.6500

Fax: 212.242.3111

Jonathan Baker, PA-C, MPAS

Jonathan Baker (he/him/his) has practiced as a PA since 2009 and joined Laser Surgery Care in New York City in 2014. He specializes in managing anal pathology with a focus on Human Papillomavirus, sexual health, and biomedical HIV prevention. He conducts clinical research as a co-investigator on NIH-funded clinical trials focused on HPV related disease. He mentors pre-med and pre-PA staff during a 2 gap year program and oversees staff in a supervisory role.
Jonathan regularly publishes articles on sexual health in peer reviewed journals, and he won the Paragon Award in Clinical Publishing in 2015 for his JAAPA article "Oral Preexposure Prophylaxis to Prevent HIV Infection: Clinical and Public Health Implications". He is a regular CME presenter at national and state CME conferences on various topics including anorectal pathology, infectious diseases, and sexual health. He is a peer reviewer for JAAPA, AAPA conference CME, and GLMA (Gay and Lesbian Medical Association) conference CME. He regularly lectures for PA Programs throughout the US.

Jonathan is a past president of the Lesbian, Bisexual, Gay, & Transgender PA Caucus and founded the LBGT PA Caucus Speakers Bureau which promotes education on sexual and gender minorities throughout the US. He has advocated for culturally sensitive policy as a Delegate in the AAPA HOD since 2015, including 2 years as Chief Delegate. In 2018 he was appointed as the AAPA Liaison to GLMA. Currently, he is the New York City District Director for the New York State Society of PAs.

Previously at the University of Pittsburgh he worked in the Anal Dysplasia Clinic and Research Program, the HIV Prevention/Rectal Microbicide Development Program, and the Multicenter AIDS Cohort Study (MACS)/Pitt Men's Study. He also served as Adjunct Faculty at Chatham University's Physician Assistant Program.

“We are obligated to use our privilege and credibility to improve healthcare for all patients.”


  • B.H.Sc., Duquesne U., Pittsburgh, 2008
  • M. Physician Asst., Duquesne U., Pittsburgh, 2009
Baker JR. Stay. JAAPA: Journal of the American Academy of Physician Assistants. 2013; 26(12): 14-20
Stay Current with Options for HIV Prevention
Baker JR, Persaud A. JAAPA: Journal of the American Academy of Physician Assistants. 2018; 31 (6): p1-3
Sexual History-Taking and Managing Anorectal Conditions
Baker JR. OHara K. 2014; 27(12): 10-17.
Oral Preexposure Prophylaxis to Prevent HIV Infection: Clinical and Public Health Implications.
Cranston RD, Baker JR, Siegel A. et. Al. Diseases of the Colon and Rectum. 2017; 60 (12): 1307-1313.
A Pilot Study of the Immunologic, Virologic, and Pathologic Consequences of Intra-Anal 5% Imiquimod in HIV-1-Infected Men
Cranston RD, Regueiro M, Hashash J, Baker JR, et. al. Diseases of the Colon and Rectum. 2017; 60 (12): 1307-1313.
A pilot Study of the Prevalence of Anal Human Papillomavirus and Dysplasia in a Cohort of Patients With IBD.
Cranston RD, Baker JR, Liu Y, Wang L, Elishaev E, Ho K. Sexually Transmitted Diseases. 2014; 41 (7): 420-426
Topical Application of Tricholoroacetic Acid is Efficacious for the Treatment of Internal Anal HSIL in HIV men.