John Andersen, DO, MA

Chief, Gynecologic Pathology

Maimonides Physician


Anatomical Pathology, Pathology



About Me

Dr. John D. Andersen is the Chief of Gynecologic Pathology and an Assistant Professor at SUNY-Downstate College of Medicine. He is dual board certified in Anatomic and Clinical Pathology. He comes to Maimonides Medical Center from Johns Hopkins Hospital, where he completed a fellowship in Gynecologic Pathology. Prior to his fellowship training, Dr. Andersen served in the U.S. Army for eight years, where he obtained the rank of Major. He was previously the Chief of Clinical Pathology at Brian Allgood Army Hospital at Camp Humphreys in South Korea, and Chief of Clinical Pathology at Womack Army Medical Center at Fort Bragg, North Carolina. He completed his residency in Anatomic and Clinical Pathology at Walter Reed National Military Medical Center, and received his medical degree from Arizona College of Osteopathic Medicine.nnDr. Andersen graduated from the University of Minnesota with degrees in Genetics and Microbiology. Dr. Andersen's research interests include mechanisms of tumor pathogenesis with a focus on ovarian carcinomas; immunohistochemical quality control applications; and ovarian cancer biomarker identification and characterization.

Areas of Expertise

  • Gynecologic Pathology, General Pathology

Conditions Treated

  • Diagnostic Pathology


  • Prognostic Pathology


Medical Degree

Arizona College of Osteopathic Medicine


National Capital Consortium


Gynecologic Pathology


Anatomic Pathology; Clinical Pathology


  • Aetna
  • Affinity Health Plan
  • CenterLight
  • Centers Plan
  • Cigna
  • ElderPlan
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Fidelis
  • HealthFirst
  • Hotel Trades
  • Local 1199
  • MagnaCare
  • Medicaid
  • Medicare
  • MetroPlus
  • Oxford
  • RiverSpring Health Plans
  • Tricare
  • United Healthcare
  • VillageCare Max
  • VNS Choice
  • Wellcare
  • WTC Health Program

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