Faculty & Staff

Hematology/Oncology Division
UVM Given Building, Suite E-214
89 Beaumont Ave
Burlington, VT 05405

Academic Office: Phone: (802) 656-5487* Fax: (802) 656-5493

*not for patient calls. Patients please contact the outpatient clinic at the below numbers:

UVM Medical Center Hematology/Oncology Outpatient Clinic: (802)-847-8400, Fax: (802) 847-4398 

Division Leadership

Randall F. Holcombe, M.D., MBA

Director, University of Vermont Cancer Center

Chief, Division of Hematology & Oncology

Email | Bio

Chris E. Holmes, M.D., Ph.D.Associate Professor of Medicine / Deputy Division Chief, Hematology and OncologyEmail | Bio | Research

Clinical Faculty
Steven Ades, M.D., M.Sc.Associate Professor of Medicine / Medical Director, Clinical Trials OfficeEmail | Bio
Diego Adrianzen-Herrera, M.D.Assistant Professor of MedicineEmail| Bio
Shahid Ahmed, M.D.Assistant Professor of Medicine, M.B.B.SEmail | Bio
Oluwatosin Akintola, M.D.
 Email | Bio
Maura Barry, M.D.Associate Professor of Medicine / Associate Director, Hem/Onc Fellowship Program Email | Bio
Mary Cushman, M.D., M.Sc.Professor of Medicine and Pathology / Director Thrombosis and Hemostasis Program Email | Bio | Research
Kim Dittus, M.D., Ph.D.
Associate Professor of Medicine / Clinical Director, Oncology RehabEmail | Bio
Sarah Gillett, M.D., Ph.D.Attending Physician, Hospitalist Email
Mansour Gergi, M.D.Assistant Professor of MedicineEmail| Bio
James Gerson, M.D.Assistant Professor of MedicineEmail | Bio
Marc S. Greenblatt, M.D.Professor of MedicineEmail | Bio | Research
Sakshi Jasra, M.D.Assistant Professor of MedicineEmail | Bio
Peter A. Kaufman, M.D.Professor of MedicineEmail | Bio
Farrah B. Khan, M.D.Associate Professor of MedicineEmail | Bio
Kara Landry, M.D.Assistant Professor of Medicine, Co-Director, Cancer Genetics & Prevention ProgramEmail | Bio
Karlyn Martin, M.D., MSAssistant Professor of MedicineEmail | Bio
Timothy B. Plante, M.D., MHSAssistant Professor of MedicineEmail | Bio
Jacqueline Poston, M.D.Assistant Professor, Medicine & Pathology, Transfusion MedicineEmail | Bio
Hibba tul Rehman, M.D.Assistant Professor of MedicineEmail | Bio
Julian R. Sprague, M.D., Ph.D.Associate Professor of Medicine / Director, Hem/Onc Fellowship ProgramEmail | Bio
Alissa Thomas, MD
 Email | Bio
Neil A. Zakai, M.D., M.Sc.Professor of Medicine and Pathology

Email | Bio | Research


Research Faculty

Debora Kamin Mukaz , PhD

Assistant Professor of Medicine

Laboratory of Clinical Biochemistry Research

Email | Bio
Scott Langevin, PhD, MHA, CT(ASCP)

Associate Director of Community Outreach & Engagement

University of Vermont Cancer Center

Associate Professor and Carpenter Cancer Research Scholar

Email | Bio
Katie Queen, PhD
Assistant Professor of Medicine
Email | Bio
Kate Tracy, PhD
Senior Associate Dean of Research and Professor of Medicine
Director of Research, UVM Health Network
Email | Bio
Christa Varnadoe, DNP, MSN, AGN-P, OCN, CCRP
Administrative Director, Cancer Clinical Trials, University of Vermont Cancer Center
Associate Professor of Medicine, Larner College of Medicine at UVM

Email | Bio


Network Faculty


Alice Hyde Medical Center

Myrna Sanchez, MD
 Email | Bio
 Center Vermont Medical Center
Rahul Anil, MD
 Email | Bio
Asad Anwar, MD
 Email | Bio
David Ospina, MD
 Email | Bio
 Champlain Valley Physicians Hospital 
Jose Acostamadiedo, MD
 Email | Bio
Vaness Furtado, MD
 Email | Bio
Todd Whitman, MD
 Email | Bio



Advanced Practice Providers

Annie Berkowitz, NP
 Email | Bio
Katherine Bezio, NP
 Email | Bio
Janet Ely, NP
 Email | Bio
Kayla Fahle, PA
 Email | Bio
Penny Gibson, PA
 Email | Bio
Jessica Hansen, NP
 Email | Bio
Jamie Kelly, NP
 Email | Bio
Guerta Malumba, NP
 Email | Bio
Becky Sokolowski, PA
 Email | Bio
Stephanie Stahl, PA
 Email | Bio
Jordan Tolstoi, PA
 Email | Bio
  Email | Bio
David Alfonso Alejos Castillo, M.D.
3rd Year FellowEmail | Bio
Rohit Singh, M.B., B.S.
3rd Year FellowEmail | Bio
Ryan Thomas, M.D.2nd Year FellowEmail | Bio
Hiaocao (Haze) Xu, M.B., B.S.
2nd Year FellowEmail | Bio
Ike Chidobem, M.B., B.S.
1st Year Fellow
Email | Bio
Jinah Kim, M.D.
1st Year Fellow
Email | Bio


Whitney Feininger, MS
Academic Division Administrative Support
Email | (802) 656-5465* not for patient calls
Jon French, MS MLS (ASCP)CM
Cellular Therapy Quality CoordinatorEmail | (802) 656-5462
Denise RussellUVM Health Staff AssistantEmail |
Mattie Pontecorvo, MBA
Fellowship Program AdministratorEmail | (802) 847-2716