ACN East - CSS Baker
525 East 68th Street
24th Floor
New York, NY 10065
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Locations and Appointments
Insurances Accepted
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AETNA
Aetna - NYP
Amida Care
Anthem Blue Cross Blue Shield
Anthem Blue Cross/Blue Shield
Anthem Blue Cross/Blue Shield Healthplus
CIGNA
EmblemHealth
Fidelis Care
GHI
Health Insurance Plan of NY (HIP)
Healthfirst
Healthspring
Local 1199
Molina Healthcare
Oxford Health Plans
Quality Health Management (QHM)
Rockefeller University/Luminare
United Healthcare
UnitedHealthcare
VNS Health
VNSNY CHOICE
WellCare
WorldWide Medical
About Grant Ballard Ellsworth, M.D.
Dr. Ellsworth's practice focuses on the prevention of anal cancer in at-risk individuals. He has extensive experience in the performing of high-resolution anoscopy and the treatment of precancerous lesions of the anus. His other clinical interests include the treatment and prevention of HIV and other sexually transmitted infections. His research focuses on the screening and prevention of HPV-related cancers of the cervix, anus, and oral cavity. In his free time, he loves to cook, exercise with his dogs, and be outside.
Board Certifications
- Infectious Disease
- Internal Medicine
- Pediatrics
Education
- Degrees: Brigham Young University
- Degrees: University of Utah College of Medicine
- Degrees: Weill Graduate School of Medical Sciences of Cornell University
Languages
- English
Titles & Positions
- Assistant Attending Physician
- Assistant Professor of Medicine
Hospital Affiliations
- NewYork-Presbyterian / Weill Cornell Medical Center
Education
- Degrees: Weill Graduate School of Medical Sciences of Cornell University
- Degrees: University of Utah College of Medicine
- Degrees: Brigham Young University
Titles & Positions
- Assistant Attending Physician
- Assistant Professor of Medicine
Board Certifications
- infectious disease
- internal medicine
- pediatrics
Languages Spoken
- english
Research
Alcohol consumption and oral human papillomavirus infection among men living with HIV: a cross-sectional study from the ULACNet 201 trial.
May 29, 2026Genotype distribution of human papillomavirus (HPV) types in oral gargle specimens among men living with HIV in Mexico, Brazil, and Puerto Rico: A cross-sectional study.
May 01, 2026Design of a multicenter, randomized, double-blinded, placebo-controlled phase III trial evaluating the 9-valent human papillomavirus (HPV) vaccine to prevent persistent oral HPV infection in men living with human immunodeficiency virus: ULACNet trial 201.
July 02, 2025