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Pathline Medical Team

Gregory Henderson, M.D., Ph.D., FCAP, FASCP

Medical Director

  • Specialty: Breast, Gastrointestinal, Gynecologic, & Pulmonary Pathology
  • Education: Vanderbilt University Medical School
  • Residency: Johns Hopkins Hospital, University of Utah and ARUP Reference Laboratories
  • Fellowship: Vanderbilt University Medical Center/ Gastrointestinal Pathology, Breast and Gynecologic Pathology, Pulmonary Pathology
  • Board Certifications: American Board of Pathology- Anatomic & Clinical Pathology

Marise B. McNeeley, M.D., M.B.A

Hematopathologist

  • Specialty: Hematopathology
  • Education: State University of Haiti
  • Residency: New York Medical College and Department of Pathology Westchester County Medical Center
  • Fellowship: Temple University Hospital/Hematopathology
  • Board Certifications: American Board of Pathology – Anatomic Pathology & Clinical Pathology, American Board of Pathology- Hematology

Yijun Guo, M.D., Ph.D.

Anatomic & Clinical Pathologist

  • Specialty: Genitourinary Pathology
  • Education: Peking University School of Medicine
  • Residency: Drexel University Hospital
  • Fellowships: Albert Einstein College of Medicine/Surgical Pathology, 2nd Fellowship- Armed Forces Institute of Pathology/Genitourinary Pathology
  • Board Certifications: American Board of Pathology – Anatomic Pathology & Clinical Pathology

James O’Donnell, M.D.

Anatomic & Clinical Pathologist

  • Specialty: GI and Breast Pathology
  • Education: University of Texas Medical School
  • Residency: St. Luke’s-Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons
  • Fellowship: Mount Sinai Hospital, NY/Gastrointestinal Pathology, Breast Pathology
  • Board Certification:  American Board of Pathology – Anatomic & Clinical Pathology

Mariela Losada, M.D.

Gastrointestinal & Surgical Pathologist

  • Specialty: Gastrointestinal and Surgical Pathology
  • Education: Central University of Venezuela Medical School
  • Residency: Albert Einstein College of Medicine / Montefiore Medical Center
  • Fellowship: New York University Medical Center: Gastrointestinal and Liver Pathology, Surgical Pathology
  • Board Certification: American Board of Pathology: Anatomic Pathology

Mark Jacobson, M.D.

Dermatopathologist

  • Specialty: Dermatopathology
  • Education: University of Witwatersrand Medical School
  • Residency: Long Island Jewish Medical Center
  • Fellowship: New York University Medical Center/Dermatopathology
  • Board Certification: American Board of Pathology – Anatomic & Clinical Pathology, American Board of Dermatology and Pathology –Dermatopathology

Paul Chu, M.D.

Dermatopathologist

  • Specialty: Dermatopathology
  • Education: New York University School of Medicine
  • Residency: University of California at San Francisco
  • Fellowship: University of California at San Francisco/Dermatopathology
  • Board Certification: National Board of Medical Examiners – Dermatology & Dermatopathology

Patricia Dowling, Ph.D

Cytogeneticist

  • Specialty: Cytogenetics
  • Education: Fordham University Doctor of Philosophy
  • Molecular and Cell Biopsy
  • Fellowship: Mt. Sinai School of Medicine, Post-Doctoral
  • Fellowship, Clinical Cytogenetics
  • Board Certifications: Diplomate of the American Board of
  • Medical Genetics, New York State Certificate of
  • Qualification, Clinical Cytogenetics and Oncology (FISH)