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Armando Del Portillo, MD, PhD

Board Certifications: 
Pathology - Anatomic
Accepting New Patients
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Credentials & Experience

Board Certifications

  • Pathology - Anatomic


Education & Training

  • MD, Mount Sinai School of Medicine
  • Residency: NewYork-Presbyterian Hospital/Columbia University Medical Center

About Armando Del Portillo

Academic Titles

  • Assistant Professor of Pathology & Cell Biology

Committee/Societies/Council Memberships

United States & Canadian Academy of Pathology

American Association for Cancer Research

Hospital Affiliations

  • NewYork-Presbyterian/Columbia


  • Male

Insurance Accepted

For billing questions, please call (212) 305-7399.


  • EPO
  • HMO
  • Medicare Managed Care
  • NY Signature
  • POS
  • PPO
  • Signature Administrators
  • Student Health


  • EPO
  • Great West
  • HMO
  • POS
  • PPO


  • HMO
  • Medicare Managed Care
  • PPO


  • ConnectiCare
  • EPO
  • Essential Plan
  • HMO
  • Medicaid Managed Care
  • Medicare Managed Care
  • POS
  • PPO
  • Select Care (Exchange)
  • Vytra

Empire Blue Cross Blue Shield

  • Blue Priority
  • EPO
  • HMO
  • Medicare (Mediblue)
  • NYP Employee Plan
  • Pathway (Exchange)
  • POS
  • PPO

Local 1199

  • Local 1199


  • MagnaCare


  • Multiplan

Oxford Health Plans

  • Freedom
  • Liberty
  • Medicare Managed Care




  • Columbia University Employee Plan
  • Compass (Exchange)
  • EPO
  • Essential Plan
  • HMO
  • Medicaid (Community Plan)
  • Medicare Managed Care
  • POS
  • PPO

*Please contact the provider’s office directly to verify that your particular insurance is accepted.


Selected Publications

Ravi K. Amaravadi, Kathryn E. Hamilton, Xiaohong Ma, Shengfu Piao, Armando Del Portillo, Katherine L. Nathanson, Matteo S. Carlino, Georgina V. Long, Igor Puzanov, Xiaowei Xu, Jennifer J.D. Morrissette, Kenneth Y. Tsai, Keith T. Flaherty, Jeffrey A. Sosman, Grant R. Goodman, Grant A. McArthur, Anil K. Rustgi, David C. Metz, Lynn M. Schuchter, Paul B. Chapman, Antonia R. Sepulveda. “Multiple gastrointestinal polyps in patients treated with BRAF inhibitors.” Clinical Cancer Research, Dec 2015;21(23):5215-21.

Armando Del Portillo, Stephen M Lagana, Yuan Yao, Takeshi Uehara, Nirag Jhala, Tapan Ganguly, Peter Nagy, Jorge Gutierrez, Aesis Luna, Julian Abrams, Yang Liu, Randall Brand, Jorge Sepulveda, Gary Falk, Antonia R Sepulveda. “Evaluation of Mutational Testing of Pre-neoplastic Barrett’s Mucosa by Next Generation Sequencing of FFPE Endoscopic Samples for Detection of Concurrent Dysplasia and Adenocarcinoma in Barrett’s Esophagus.” Journal of Molecular Diagnostics, Jul 2015;17(4):412-9.

Armando Del Portillo, Joseph Tripodi, Vesna Najfeld, Dominik Wodarz, David N. Levy and Benjamin K. Chen. “Multiploid inheritance of HIV-1 during cell-to-cell infection.” Journal of Virology, Jul;85(14):7169-76.

Wolfgang Hübner, Ping Chen, Armando Del Portillo, Yuxin Liu, Ronald Gordon and Benjamin K. Chen, “Sequence and location of HIV-1 Gag oligomerization monitored with a replication-competent, fluorescently tagged HIV-1.” Journal of Virology, Nov; 81(22):12596-607.

Theresa L. Chang, Jesus Vargas, Jr., Armando DelPortillo and Mary E. Klotman, "Dual role of alpha-defensin-1 in anti-HIV-1 innate immunity." Journal of Clinical Investigation, Mar; 115:765-773.