Meet our Faculty

M. Ali Rana, MD, FACS, FSVS

Chief, Division of Vascular Surgery
Interim Chief, Division of Cardiothoracic Surgery
Director of Endovascular Surgery
Associate Professor of Surgery

Medical School: Aga Khan University - 2003
General Surgery Residency: University of New Mexico School of Medicine - 2011
Vascular Surgery Fellowship: Mayo Clinic School of Graduate Medical Education - 2013

John Marek, MD, FSVS

Interim Chair - Department of Surgery
Professor of Surgery

Medical School: University of Cincinnati School of Medicine - 1988
General Surgery Residency: University of Colorado School of Medicine - 1993
Vascular Surgery Fellowship: University of Arizona School of Medicine - 1996

LeAnn Chavez, MD, FSVS

Medical Director Vascular Surgery Clinics
Assistant Professor of Surgery

Medical School: University of New Mexico School of Medicine - 2005
General Surgery Residency: University of Arizona - 2010
Vascular Surgery Fellowship: University of California Davis - 2014

Mark Langsfeld, MD, FACS, FSVS

Vice Chair- Quality and Safety
Medical Director - UNM Vein Clinic
Medical Director - UNMH Vascular Lab
Professor of Surgery

Medical School: Medical College of Georgia - 1982
General Surgery Residency: St Louis University - 1987
Vascular Surgery Fellowship: Eastern Virginia Medical School - 1989

Ross Clark, MD, MBA

Assistant Professor of Surgery
Assistant Professor of Cell Biology and Physiology

Medical School: University of New Mexico School of Medicine - 2011
General Surgery Residency: University of New Mexico School of Medicine - 2018
Vascular Surgery Fellowship: Vanderbilt University Medical Center - 2020

Rachel C. Danczyk, MD, FACS, FSVS

Vice Chair of Faculty Affairs and Career Development
Associate Program Director, General Surgery Residency Program
Associate Professor of Surgery

Medical School: Indiana University School of Medicine - 2007
General Surgery Residency: Oregon Health & Science University – 2013
Vascular Surgery Fellowship: Oregon Health & Science University – 2015

Jessica Neff, FNP-C, WCC

In-Patient Advanced Practice Provider

Education: University of New Mexico College of Nursing – Bachelor of Science in Nursing - 2003
Education: Chamberlain University College of Nursing – Master of Science in Nursing - 2021
Certifications: National Alliance of Wound Care and Ostomy - 2013
Certifications: American Academy of Nurse Practitioners - 2021