At Vascular Surgery Associates, our board-certified vascular surgeons are among the best-educated, most experienced, and most highly trained practitioners in Virginia. With decades of combined professional experience and exceptional training from across the Eastern United States, we built VSA to be your first choice for vascular care in Virginia.Our surgeons are the best in their field and each holds a certification in either vascular or general surgery.
Here at VSA, we take a team approach to care, with physicians working in close partnership with NPs, PAs, and Prosthetists. We promote timely access, effective communications, shared decision-making, and integration of services, resulting in improved outcomes and enhanced quality of life for those we serve.
Vascular Surgery Associates, formerly Virginia Surgical Associates, was formed when our surgeons banded together to create an independent practice. Over the years, our doctors have established VSA as the respected and trusted specialty medical care destination that it is today. Furthermore, as leaders in the medical community, our team is committed to researching and implementing the latest advancements in vascular medicine for the benefit of all of our patients.
Meet our team and learn more about why VSA is your first choice for vascular care in Central Virginia and beyond.
Vishnu Ambur, MD, FACS
Hometown: Yorktown, VA
Undergraduate Education: Georgia Institute of Technology, BS in Biomedical Engineering, Magna Cum Laude
Medical Education:
- Eastern Virginia Medical School, MD
- Temple University Hospital, Chief Resident of General Surgery
- Cleveland Clinic, Fellowship in Vascular Surgery
Primary Specialty:
- Vascular Surgery
- Registered in non-invasive vascular laboratory interpretation (RPVI)
Special Interests: Minimally invasive endovascular techniques for the treatment of complex aortic aneurysms, lower extremity peripheral vascular disease, carotid disease and dialysis access.
In Practice Since: 2019
Accepting new patients? Yes
Office locations(s)
- VSA Hanover
- VSA Vascular Center
Hobbies and Interests: Dr. Ambur is a lifelong Atlanta Falcons fan. He enjoys traveling, tennis, CrossFit and spending time with his wife and two children.
Jeff A. Brown, MD, FACS
Hometown: Richmond, VA
Undergraduate Education: B.S. in Biology and Chemistry with Phi Beta Kappa honors at the University of Richmond
Medical Education: M.D., general surgical training, and Vascular Surgery Fellowship at the Medical College of Virginia
Specialty: Vascular Surgery
In Practice Since: 1996
Accepting new patients? Yes
Office location(s):
- VSA Hanover
- VSA Vascular Center
Personal: Dr. Brown spends his leisure time with his wife and four children.
Andrew E. Leake, MD, FACS
Hometown: Mechanicsville, VA
Undergraduate Education: BS in Human Nutrition, Foods and Exercise at Virginia Tech with highest honors
Medical Education: M.D. from Eastern Virginia Medical School (EVMS) and Vascular Surgery training at University of Pittsburgh Medical Center (UPMC)
Awards and Honors: Alpha Omega Alpha Medical Honor Society, Society for Clinical Vascular Surgery Top Gun Finalist, Chief Administrative Resident at University of Pittsburgh Medical Center (UPMC), Richmond Top Doc 2021 in Vascular Surgery
Specialty: Board Certified in Vascular Surgery, Registered Physician in Vascular Interpretation (RPVI)
In Practice Since: 2017
Accepting new patients? Yes
Office Locations:
- VSA Shrader Road
- VSA Hanover
- VSA Vascular Center
Personal: Dr. Leake enjoys spending time with his wife, son and bulldogs. He is a huge baseball fan and proudly supports Virginia Tech Football.
Gregg L. Londrey, MD, FACS
Hometown: Richmond, VA
Undergraduate Education: B.S. from Davidson College
Medical Education: M.D. and surgical training at the Medical College of Virginia, followed by a Vascular Surgery Fellowship at Southern Illinois University
Awards and Honors:
- Phi Beta Kappa
- Alpha Omega Alpha Medical School Academic Honor Society
Specialty: Vascular Surgery
Special Interests: Open and endovascular surgery, dialysis access
In Practice Since: 1991
Accepting new patients? Yes
Office locations(s):
- VSA Shrader Road
- VSA Vascular Center
Hobbies and Interests: Dr. Londrey enjoys golf, spending time with his family and Hokie football.
Avik Mukherjee, MD, FACS
Hometown: Danbury, Connecticut
Undergraduate Education: B.S. in Biology at the Massachusetts Institute of Technology
Medical Education: M.D. at the University of Tennessee College of Medicine, general surgery training at Saint Elizabeth Medical Center, and a Vascular Surgery Fellowship at the Virginia Commonwealth University Medical Center
Awards and Honors: Biology teaching award at MIT, Excellence in Teaching Tufts medical students
Specialty: Vascular and Endovascular Surgery; Board certified by the American Board of Surgery in Vascular Surgery and General Surgery
Special Interests: Endovascular treatment of peripheral vascular disease
In Practice Since: 2008
Accepting new patients? Yes
Office locations(s):
- VSA Shrader Road
- VSA Hanover
- VSA Vascular Center
Hobbies and Interests: Dr. Mukherjee enjoys golf, cooking, following the Red Sox and spending time with his family
Mark A. Scaife, MD
Hometown: Portsmouth, United Kingdom
Undergraduate Education: B.S. in Biochemistry, Minor in Exercise and Sport Science from the University of Santa Barbara
Medical Education: M.D. at the University of Illinois College of Medicine at Rockford, general surgery residency and named Administrative Chief Resident at the University of Pittsburgh Medical Center-Mercy, and a Vascular Surgery Fellowship at the Carolinas Medical Center
Specialty: Vascular Surgery
In Practice Since: 2021
Accepting new patients? Yes
Office locations(s):
- VSA Shrader Road
- VSA Vascular Center
Hobbies and Interests: Dr. Scaife enjoys rowing, cycling, woodworking, ultramarathons, and is an Ironman Triathlon athlete!
Marc T. Warner, MD, FACS
Hometown: Portland, Oregon
Undergraduate Education: B.S. in Chemistry with honors at the University of Alabama
Medical Education: M.D. at the University of Alabama, followed by surgical training and Vascular Surgery Fellowship at Baylor University Center in Dallas
Awards and Honors: Scholastic Achievement Award and election to AOA at the University of Alabama
Specialty: Vascular Surgery
Special Interests: Varicose veins and endovascular therapies, carotid stenting
In Practice Since: 2002
Accepting new patients? Yes
Office location(s):
- VSA Midlothian Office
- VSA Vascular Center
Hobbies and Interests: Dr. Warner enjoys competitive bridge, running and bicycle racing.
W. Andrew Tierney, MD, FACS, RPVI
Hometown: Baltimore, Maryland
Undergraduate Education: B.S. in biology with high honors at Virginia Commonwealth University
Medical Education: M.D., general surgery internship and residency at the Medical College of Virginia, Molecular Biology research fellowship at the Medical College of Virginia, Vascular Surgery Fellowship at the Ochsner Clinic in New Orleans
Awards and Honors:
- Surgery award for excellence in 1997
- Intern of the year 1997-1998
- Ortho McNeil young investigator award 1999
- Resident medical student teaching award 2001-2002
- Resident medical student teaching award 2002-2003
- Bon Secours physician innovation award 2015
Specialty: Vascular Surgery
Dr. Tierney is board certified in vascular surgery. He is a fellow of the American College of Surgeons and is a registered physician in vascular interpretation (RPVI) for the interpretation of vascular ultrasound.
Special Interest: Complex endovascular repair of thoracic and abdominal aortic aneurysms and dissections, advanced angioplasty and stenting procedures to improve circulation through a minimally invasive approach, and treatment of acute blood clots of the iliac and femoral veins and inferior vena cava.
In Practice Since: 2005
Accepting new patients? Yes
Office Location(s):
- VSA Hanover
- VSA Vascular Center
Hobbies and Interests: Dr. Tierney enjoys skiing, hunting, shooting sports and spending time with his wife and three daughters.
Frank Stoneburner, Jr., MD, FACS
Hometown: Richmond, VA
Undergraduate Education: B.S. in Biology with honors at Hampden-Sydney College
Medical Education: M.D. with honors and surgical training at the Medical College of Virginia, followed by a Vascular Surgery Fellowship at Eastern Virginia Medical School
Awards and Honors: Phi Beta Kappa, President of Alpha Omega Alpha Medical Honor Society, past President of Virginia Vascular Society
Specialty: Vascular Surgery
Special Interests: Lower extremity endovascular surgery, AAA repair, carotid disease
In Practice Since: 1988
Accepting new patients? Yes
Office locations(s):
- VSA Shrader Road
- VSA Vascular Center
Hobbies and Interests: Dr. Stoneburner enjoys spending time with his family, golf, reading, waterfowl hunting and biking.
Chris Cox, PA-C
Hometown: Roanoke, VA
Undergraduate Education: B.A. in Interdisciplinary Studies with concentrations in Business, Biology, and Psychology at Virginia Tech
Medical Education:
- Eastern Virginia Medical School, MPA
- University of Virginia, onboard training with Interventional Radiology team
Primary Specialty: Phlebology & Lymphatic Medicine
Special Interests: Minimally invasive endovascular techniques and outpatient micro-surgical excision for the treatment of lower extremity venous disease
In Practice Since: 2004
Accepting new patients? Yes
Office locations(s)
- Richmond Vein Center
Hobbies and Interests: Chris enjoys cooking, gardening and spending time with his wife and four children.
Kathryn Niederer, PA-C
Hometown: Fairfax, VA
Undergraduate Education: B.A. in Psychology at Emory University
Medical Education: Master of Medical Science, Physician Assistant Program at Emory University
Primary Specialty:
- Phlebology & Lymphatic Medicine
- Physician Assistant
Special Interests: Minimally invasive endovascular techniques and outpatient treatment of various venous problems
In Practice Since: 2004
Accepting new patients? Yes
Office locations(s):
- Richmond Vein Center
Hobbies and Interests: Kathryn is married with three children. She enjoys spending time with her family & friends, cooking, and watching sports. Prior to relocating to Richmond in 2012, she worked as a Hospitalist PA in the Northeast and has ten years of internal medicine experience.
Kelli Hodges, PA-C
Hometown: Vienna, VA
Undergraduate Education: B.S. in Health Sciences at James Madison University
Medical Education: Master of Science, Physician Assistant Program at South University – Richmond Campus
Primary Specialty:
- Physician Assistant
Special Interests: Minimally invasive endovascular techniques and outpatient treatment of various venous problems
In Practice Since: 2019
Accepting new patients? Yes
Office locations(s):
- Richmond Vein Center
Hobbies and Interests: Kelli transitioned from inpatient Vascular Surgery after relocating to Richmond. She enjoys hiking, traveling, cooking, staying active, and spending time with friends and family.
Melissa Clarke, MSN, ACNP-BC
Hometown: Cochranton, Pennsylvania
Undergraduate Education:
- B.S. in Nursing, Cum Laude, Virginia Commonwealth University
- B.A. in Psychology, Cum Laude, Dean’s List, Departmental Honors, Christopher Newport University
Medical Education: M.S. in Nursing, Adult Acute Care, Virginia Commonwealth University
Specialty:
- Acute Care
- Board certified by the American Nurses Credentialing Center
Special Interests:
- Complex hospitalized patients
- Melissa visits patients and makes diagnoses, formulates treatment plans, discusses disease prevention with patients and takes a holistic approach to treating the sick and injured in conjunction with the excellent surgical care her partners provide.
Hobbies and Interests: Melissa enjoys boating, reading, camping, and spending time with her husband and two sons.
In Practice Since: 2004
Accepting new patients? Yes
Office locations(s)
- VSA Meadowbridge Road
More About Melissa
Melissa is an experienced nurse practitioner who graduated from VCU with a Masters of Science in Nursing, Adult Acute Care. Prior to her time at Vascular Surgery Associates, she worked as a nurse practitioner in Adult Acute Care in neurosurgery, orthopedics, internal medicine and vascular fields. She is board certified as an acute care nurse practitioner by the American Nurses Credentialing Center (ANCC). She has been in the industry for over thirteen years prior to joining us, with a clinical interest in patient education, critical care/acute disease management, aortic surgery and cardiology.
Your regular physician will continue overseeing your care when you visit our nurse practitioner. Melissa improves access to our practice by assisting with hospital consultations and office visits. This allows us to see new patients in a more timely fashion and to provide for more rapid evaluation of existing patients with acute changes or more urgent concerns. If a particular problem requires the attention of a physician, Melissa works in consultation with the physician to ensure you receive the highest quality care.
Lauren E. Todd, MSN, AGNP-BC
Hometown: Falls Church, VA
Undergraduate Education: Virginia Commonwealth University, BS in Nursing Minor in Psychology, Honors
Medical Education: Virginia Commonwealth University, MS in Nursing Concentration in Adult-Gerontology Primary Care, Magna Cum Laude
Specialty: Adult-Gerontology, Primary Care, American Academy of Nurse Practitioners Board Certified
Hobbies and Interests: Gardening and traveling. Spending time with my family, friends, and dogs; especially at the beach.
Lauren is an experienced nurse practitioner. Prior to her time at Vascular Surgery Associates she worked as a nurse practitioner in cardiology. As a nurse, she worked in the intensive care unit; seeing the full scope of chronic illness reinforced her passion for preventative medicine. As a nurse practitioner, she enjoys counseling and educating her patients on their chronic diseases.
Preston Williams, CPO
Hometown: Richmond, Virginia
Undergraduate Education: B.S. in Biology Hampden-Sydney College (1992)
Medical Education:
- Prosthetics Degree, Northwestern University
- Residency, Progressive Prosthetic and Orthopedic Services
- Orthotics Degree, California State University
- Residency, Paul L Valentine Orthotics and Prosthetics
Certifications: ABC-Certified Orthotic and Prosthetic Practitioner
Clinical Interests: Using the most advanced prosthetic components and techniques to improve the lives of our patients.
In Practice Since: 1999
Accepting new patients? Yes
Office locations(s)
- VSA Mobility Center
Hobbies and Interests: Preston is a faithful Chicago Cubs fan and enjoys running, biking and spending time with his family.
Lauren Calvin, Prosthetic Resident
Hometown: Cross Plains, WI
Undergraduate Education:
- University of Minnesota, BS in Kinesiology
Primary Specialty:
- Prostheitcs
Office locations(s):
- VSA Shrader Road
Hobbies and Interests: walking her dog, camping, piano playing, and, hiking
Victoria Corbin, FNP-BC
Hometown: Culpeper, VA
Undergraduate Education:
- Radford University, BS in Nursing
Primary Specialty:
- Family Nurse Practitioner
Office locations(s):
- VSA Shrader Road
- VSA Midlothian
Hobbies and Interests: cooking, traveling, and walking her dog
More about Victoria:
Victoria is an experienced Nurse Practitioner. Prior to her time at VSA she worked as a Family Nurse Practitioner doing house calls for kids. As a NP she enjoys advocating for patients and educating them so they properly understand their diagnoses.
Michael Massaro, PA-C
Hometown: Charlottesville, VA.
Undergraduate education: Psychology BA degree from UVA.
Medical education: Masters of Physician Assistant Studies from JMU
Office Location: VSA Shrader Rd
Interests with practicing: I enjoy getting to know my patients and earning their trust to give them the best care possible I enjoy spending time with my wife and 2 young children, exploring, fishing, playing hurling, and being outside. I started as a hospitalist in 2017.
“The entire staff was caring and kind the moment my wife and I entered the building and the wait was not long at all to see the Doctor. Dr. Stoneburner was excellent, he genuinely seems to care about his patients and you feel confident under his care.”
