Clinical Office Staff

With a diverse set of skills and specialties, our dedicated staff is here to make your experience comfortable and successful.


Vascular Lab Technicians:

Kathryn J. Pazienza
Kathryn J. Pazienza, LPN, RVT, joined the Vascular Center of Northern Michigan in 2008, bringing with her eighteen years of experience and professionalism in the vascular field. Kathy graduated from Mott Community College and pursued a career at McLaren Regional Medical Center as an LPN. She moved on to Michigan Vascular Center, Flint, Michigan as a registered vascular technologist. Kathy developed a deep vein thrombosis and pulmonary embolism case study used in physician presentations at McLaren Regional Medical Center. She then moved on to St. Joseph Mercy Hospital in Ypsilanti as an RVT.

She developed the expertise in vascular studies which included renal, abdominal, carotid, arterial, AVF and venous duplex. She also performed peripheral arterial testing, venous reflux and graft surveillance studies. Kathy has also been an active lab instructor at Baker College in Auburn Hills, Michigan. Kathy with her excellent technical skills, balanced with genuine compassion is an excellent asset to the team at the Vascular Center of Northern Michigan.


Annette Casciano
Annette Casciano, RVT, joined the Vascular Center of Northern Michigan in 2009. She brings with her 7 years of experience as a professional in the vascular technology field. Annette previously worked as a certified medical assistant and a medical billing specialist. After additional training she received her certificate of Vascular Technology in 2005. She spent the next 4 years at the Michigan Vascular Center before joining the practice at the Vascular Center of Northern Michigan.

Her professional experience includes all areas of vascular testing: carotid, renal, abdominal, venous, arterial, AVF and bypass duplex. She is also very experienced in peripheral arterial testing and has done vascular studies in the operative setting.

Annette is a well-rounded and experienced vascular technologist and we are thrilled that she has chosen to move her family north and join our team.


Jessica Knapp

Jessica Knapp, RVT, brought her vascular knowledge in ultrasound to the Vascular Center of Northern Michigan in November 2016. Jessica graduated with her ultrasound degree from Baker College and became a registered vascular technologist in June 2016. She decided to begin her career in Northern Michigan where she can sharpen and strengthen her skills. She worked diligently in her clinical rotations at Detroit Medical Center – Harper Hospital and applied a vast majority of her educational knowledge there.

Jessica is a determined and hard-working individual which compliments the vascular team at Northern Michigan Vascular Center very well. Her plethora of knowledge in vascular anatomy and pathology makes her a valuable asset to the team.


Office RNs:


Sarah Winter

Sarah Winter, R.N., brought her extensive nursing experience to the Vascular Center of Northern Michigan in April 2016. Sarah graduated with her nursing degree and became a registered nurse in 1999. She began her career in southeastern Michigan at Herrick Hospital in Tecumseh. She worked diligently in Obstetrics/Labor and Delivery for three years before moving to the Emergency Department, where she spent the next eleven years. While at Herrick. Sarah developed an immense understanding of wound and critical care, as well as peripheral vascular disease and its treatment.

Sarah has traveled extensively with her husband, and her skills were polished at Holland Hospital Urgent Care in Holland, MI and at a rheumatology clinic in North Carolina. Her work as an infusion nurse is especially helpful when she works in the VCNM Surgical Suite, preparing patients for procedures and caring for them while in recovery. Her knowledge in a vast assortment of chronic conditions makes her a valuable asset to the Vascular Center team. Her husband’s career brought Sarah and the family pets to Traverse City this year, where all are enjoying the healthy outdoor lifestyle Up North.