Ladan Fazlollahi, MD

Pathology - Anatomic
Accepting New Patients
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Areas of Expertise / Conditions Treated

  • Liver Pathology
  • Surgical Pathology

Academic Appointments

  • Associate Professor of Pathology and Cell Biology at CUMC

Administrative Titles

  • Director, Surgical Pathology Fellowship; Assistant Director, Residency Program in Anatomic Pathology

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center
  • NewYork-Presbyterian Westchester


  • Female

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Insurance Accepted

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


  • EPO
  • Great West (National)
  • HMO
  • POS
  • PPO


  • Medicare Managed Care
  • PPO


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

Local 1199

  • Local 1199

MagnaCare (National)

  • MagnaCare


  • Railroad
  • Traditional Medicare


  • Multiplan


  • Special Needs


  • Compass (Exchange)
  • Empire Plan
  • HMO
  • Medicare Managed Care
  • POS
  • PPO

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

Credentials & Experience

Education & Training

  • MD, 2004 Shahid Beheshti University Of Medical Sciences
  • Residency: Barnes Jewish Hospital - Washington University
  • Residency: Massachusetts General Hospital
  • Fellowship: Columbia University
  • Fellowship: Columbia University

Committees, Societies, Councils

New York Pathological Society, Membership committee

United States and Canadian Academy of Pathology (USCAP), member

Board Certifications

  • Pathology - Anatomic


Selected Publications

  • Chen DA, Koehne de Gonzalez A, Fazlollahi L, Coffey A, Remotti HE, Lagana SM. In situ hybridization for albumin RNA in paediatric liver cancers compared with common immunohistochemical markers. J Clin Pathol. 2021 Feb;74(2):98-101.
  • Lagana SM, Kudose S, Iuga AC, Lee MJ, Fazlollahi L, Remotti HE, Del Portillo A, De Michele S, Koehne de Gonzalez AK, Saqi A, Khairallah P, Chon AM, Park H, Uhlemann A, Lefkowitch JH, Verna EC. Hepatic pathology in patients dying of COVID-19: a series of 40 cases including clinical, histologic, and virologic data. Mod Pathol. 2020 Nov;33(11):2147-2155.
  • Fazlollahi L, Hsiao SJ, Coffey A, Kochhar M, Mansukhani MM, Yamashiro DJ, Remotti HE. Malignant rhabdoid tumor, an aggressive tumor often misclassified as small cell variant of hepatoblastoma. Cancers. 2019;11(12):1992.
  • Fazlollahi L, Remotti HE. Pathology perspective on endoscopic full thickness resection. Techniques in Gastrointestinal Endoscopy. 2019; 21(1):7-12.
  • Fazlollahi L, Hasiao SJ, Mansukhani MM, Glade Bender J, Kung AL, Yamashiro DJ, Remotti HE. INI1 negative hepatoblastoma, a vanishing entity representing malignant rhabdoid tumor. Human Pathology: Case Reports. 2018; 12:42-47.
  • Fazlollahi L, Remotti HE, Iuga A, Yang H, Lagana SM, Sepulveda AR. HER2 Heterogeneity in Gastroesophageal Cancer Detected by Testing Biopsy and Resection Specimens. Arch Pathol Lab Med. 2018 Apr;142(4):516-522.
  • Heymann JJ, Bulman WA, Swinarski D, Pagan CA, Crapanzano JP, Haghighi M, Fazlollahi L, Stoopler MB, Sonett JR, Sacher AG, Shu CA, Rizvi NA, Saqi A. PD-L1 expression in non-small cell lung carcinoma: Comparison among cytology, small biopsy, and surgical resection specimens. Cancer. 2017 Dec;125(12):896-907.
  • Akhavanfard S, Vargas SO, Han M, Nitta M, Chang CB, Le LP, Fazlollahi L, Nguyen Q, Ma Y, Cosper A, Dias-Santagata D, Han JY, Bergethon K, Borger DR, Ellisen LW, Pomeroy SL, Haber DA, Iafrate AJ, Rivera MN. Inactivation of the tumor suppressor WTX in a subset of pediatric tumors. Genes Chromosomes Cancer. 2014 Jan;53(1):67-77.
  • Snuderl M, Fazlollahi L, Le LP, Nitta M, Zhelyazkova BH, Davidson CJ, Akhavanfard S, Cahill DP, Aldape KD, Betensky RA, Louis DN, Iafrate AJ. Mosaic Amplification of Multiple Receptor Tyrosine Kinase Genes in Glioblastoma. Cancer Cell. 2011 Dec 13;20(6):810-7.
  • Chiang S, Fazlollahi L, Nguyen A, Betensky RA, Roberts DJ, Iafrate AJ. Diagnosis of hydatidiform moles by polymorphic deletion probe fluorescence in situ hybridization. J Mol Diagn. 2011 Jul;13(4):406-15.