Cindy Peters CRNFA, FNP-C

Cindy Peters has over 41 years of surgical experience with a passion and history in the vascular field. Cindy has worked as a surgical first assist since 1976. She is a board-certified nurse practitioner and accompanies the surgeons in their hospital based surgical procedures. Cindy has been a preceptor for numerous RNFA students and an operating room scrub tech instructor. Cindy was a pioneer in the establishment of a scope of practice for non-physician 1st assistants in surgery for the state of Arizona. Cindy is very active with the El Zaribah Shriners hospitals for children organization as well as being an avid big game hunter.

Joei Johns, PA-C

Joei is a physician assistant specializing in vascular surgery and wound care. She graduated from the University of California, Davis, with a Bachelor of Science in Exercise Biology, minoring in Psychology. She obtained her Master of Medical Science in Physician Assistant Studies from Midwestern University. During her studies, she chose to emphasize in cardiothoracic and vascular surgery, completing the core of her surgical training at the Arizona Heart Institute. She has a special interest in the prevention of limb loss, as well as endovascular repair of complex aortic aneurysms and endo-leaks.

In addition to developing strong relationships with her patients, she also enjoys speaking at medical education conferences, precepting students, and serving as an Adjunct Clinical Assistant Professor at Midwestern University. She is board certified by the National Commission on Certification of Physician Assistants. She is a fellow of the American Academy of Physician Assistants and the Arizona State Association of Physician Assistants. In her spare time, she enjoys traveling with her husband, David, and swimming with their dog, Chloe.


Jen Gray is a vascular provider Acute Care Nurse Practitioner at the Western Vascular Institute, Mesa Center. Jen completed her RN at OSF Saint Francis Medical Center College of Nursing and her NP from Grand Canyon University. She has 7 years of experience as an NP & 13 as a nurse. Jen loves improving the health & well being of others & appreciates patients who are engaged in their care & receptive to recommendations. In her spare time Jen enjoys road biking, soccer, hiking, & woodworking. We are excited & grateful for her addition to the WVI vascular team.

Dalton Ishmail, PA-C

Dalton Ishmail Physician’s Assistant is the newest vascular provider at our Western Vascular Institute Mesa office. Dalton completed his Physicians assistant training at A.T. Still University school of health sciences and has worked at an endovascular center for the past 2 years. Prior to becoming a Physicians Assistant Dalton worked as a Vascular Ultrasound technician. Dalton has many years of vascular experience and is a wonderful and knowledgeable addition to the team of providers at WVI.