TAMPA: 2815 West Virginia Avenue, Suite A, Tampa, FL 33607

PALM HARBOR: 3131 N. McMullen Booth Road, Clearwater, FL 33761

LARGO: 1301 2nd Ave. SW Largo, FL 33770

WESLEY CHAPEL: 2020 Ashley Oaks Cir. Suite 102 Wesley Chapel, FL 33544

Tampa Vein Care Specialists

Our Team

The Vein911 team is dedicated to medical and cosmetic vein treatments. We are the only Tampa vein care specialists who exclusively evaluate and treat veins. If you have a vein problem, question or concern, visit the Tampa vein treatment experts who specialize in only veins.

Dr. Christopher Pittman, Vein911 Tampa Vein Treatment Center Medical Director and CEO

C. Christopher Pittman, MD, DABR, FAVLS, FACR

Medical Director & CEO

Board Member, American Vein and Lymphatic Society

Dr. Chris Pittman has over 25 years of experience performing minimally invasive, image guided surgery – Vascular and Interventional Radiology. He is a formally educated venous disease expert dedicated to the treatment of total body vein disease using minimally invasive, image guided techniques. Dr. Pittman is Board Certified in Vascular and Interventional Radiology, Diagnostic Radiology, and Diplomate of the American Board of Venous and Lymphatic Medicine.

Dr. Pittman is a proud member, and also serves on the Board of Directors, of the American College of Phlebology which is the premiere association for physicians working in the field of phlebology in the United States. Dr. Pittman is a contributing author to “Healthy Veins . . . Healthy Legs: A Patient’s Guide to Phlebology”, a 2012 publication of the American College of Phlebology. He also represents the American College of Phlebology membership as the College’s Delegate to the American Medical Association. To learn more about Dr. Pittman, visit the Dr. Pittman bio page

Warren S. Krackov, MD, FSIR, MA, MSHA, CPE

Vein Care Specialist & Chief Compliance Officer

Dr. Warren Krackov is a board-certified Radiologist with a Certificate of Added Qualification (CAQ) in Interventional Radiology and he is also a Fellow of the Society of Interventional Radiology (FSIR).  He has over 15 years of experience performing minimally invasive image guided procedures in both the inpatient and outpatient settings, with ten years of experience in outpatient centers, and having performed well over 10,000 procedures in this environment.

Dr. Krackov graduated from George Washington University School of Medicine in Washington DC and  trained at Tufts University and Mass General Hospital/Harvard University in Boston.  He was later appointed to the faculty of both Harvard Medical School and Boston University School of Medicine.  He also obtained a Master’s in Healthcare Administration (MSHA) from the University of California San Francisco (UCSF), where he is currently an Adjunct Assistant Professor of healthcare administration and interprofessional leadership.

Dr. Krackov earned the Certified Physician Executive credential from the Americal Association for Physician Leadership and has a Master’s degree in English from Georgetown University. He maintains numerous medical writing and editing roles and is also host of the Society of Interventional Radiology podcast, The Kinked Wire.

He is thrilled to be a vein care specialist on our state-of-the art vein care team and serves as our organization’s Chief Compliance Officer.  In his spare time, he enjoys spending time with his wife and son, playing the guitar, and playing ice hockey in sunny Tampa.

ANGELA SHEFFIELD, MPAS, P.A.- C | Vein Care Specialist & Physician Assistant

Angela Sheffield, MMSc, PA-C, RPhS

Vein Care Specialist, Physician Assistant, & Clinical Director

Angela is a Tampa Bay area native who graduated from the University of South Florida, summa cum laude, with a Bachelors of Health Science degree where she was a member of the Arts & Sciences Honors Society and won the University of South Florida Health Sciences Outstanding Student Award (Valedictorian). Angela earned a Masters degree in Physician Assistant Studies from Nova Southeastern University, with Highest Honors. Angela brings a conceptual vision to Vein911 understanding both the cosmetic and medical aspect of your vein-improvement journey. Angela loves boating and spending time with her family and friends. Angela is dedicated to the superior care of each and every patient she meets and is thrilled to be a part of the Vein911 team.

Julia Bryant, P.A.- C | Physician Assistant, Vein Care Specialist

Julia Bryant, MMSc, PA-C

Vein Care Specialist & Physician Assistant

Julia is a Florida native who graduated from Furman University in Greenville, South Carolina with a Bachelor of Science degree in Health and Exercise Science where she was a four-year scholarship athlete in Cross country as well as track and field. Julia earned a Masters degree in Medical Biotechnology from Barry University in Miami, Florida with Honors and a Masters degree in Physician Assistant Studies from South University in Savannah, Georgia. She has previous experience in the Urgent Care setting. Julia loves running, fishing, relaxing by the water and spending time with her family and friends.

Michelle Dickinson, P.A.- C | Physician Assistant, Vein Care Specialist

Michelle Dickinson, MMSc, PA-C

Vein Care Specialist & Physician Assistant

Michelle graduated Cum Laude from Florida Atlantic University with a Bachelors in Biological Sciences. During her undergraduate studies she volunteered with Autism Speaks and the Humane Society. She has also traveled to Peru for a medical mission trip with MedLife, an outreach program dedicated to providing medical services and education to low-income communities in Latin America. Michelle received a Masters degree in Physician Assistant Studies from Nova Southeastern University, with honors. Born and raised in Tampa, Michelle enjoys spending time with her family and friends, boating and traveling. As a vein care specialist, Michelle strives to help patients understand the medical aspect of vein care and looks forward to helping you feel great again!

AMBER WALLACE LOPER, MMSC, P.A.- C | Physician Assistant, Vein Care Specialist & Clinical Director

Amber Wallace Loper, MMSc, PA-C

Vein Care Specialist & Physician Assistant

Amber is a “best in class” Tampa vein care specialist. Amber is a Tampa native and graduated cum laude with a Bachelors of Health Science degree from the University of Florida. She earned a Master of Medical Science degree, summa cum laude, at Nova Southeastern University’s Physician Assistant Program and was also recognized with the Dean’s Award for highest class GPA and induction into both Pi Alpha National Honor Society for Physician Assistants and Alpha Eta Honor Society for Allied Health Professionals. Amber passed the Physician Assistant National Certifying Exam in the 90th percentile and has extensive post-graduate training in dermatology. Amber combines her many years of dermatology experience with her expert knowledge of vein disorders to provide the best possible care & experience to the patients of Vein911.

Jill Blickensdorf, B.S., RVS

Jill Blickensdorf, B.S., RVS

Director of Imaging

As Director of Imaging, Jill Blickensdorf manages the entire ultrasound process at Vein911 including development of protocols, execution of ultrasound exams, and the review of patient results. Jill has over 5 years’ experience as a Registered Vascular Specialist with subspecialization in venous ultrasound & ultrasound-guided procedures. She is a member of the Society of Diagnostic Medical Sonography, enjoys country music concerts, Cowboy football, being outside, and spending time with family. Jill graduated from Oklahoma State University with a B.S. in Health Promotion and the American Institute with a B.S. in Diagnostic Medical Sonography Cum Laude with an emphasis on vascular ultrasound.

Bailey Schreimann, RDMS

Imaging Specialist

Bailey has over 10 years of health care experience and is dedicated to the field of venous medicine. Bailey earned an Associates of Arts degree from St. Petersburg College and and the degree Associate of Science in Diagnostic Medical Sonography from Keiser University. Bailey has a significant amount of experience in vein treatment procedures and specializes in conducting ultrasound-guided sclerotherapy, duplex ultrasound, superficial and deep vein system scans, as well as mapping. Bailey strives to provide outstanding patient care with every interaction she has with her patients. Bailey is originally from St. Petersburg. She loves outdoor roller skating and is a fan of the new wave band, Talking Heads.