Our physicians, Dr. John K. Butterick and Dr. Wynton L. Hall Jr., previously operated a private surgical practice together for more than 30 years in the Tampa Bay area. Over the years, they have provided thousands of patients with comprehensive and compassionate surgical care and with their vast experience in general and vascular surgery, they are well-qualified to deal with a wide range of problems in diagnosing and treating venous disorders.

Both physicians have also completed a comprehensive study course on ultrasound physics, sonography principles, and vascular technology and subsequently sat for and passed a rigorous exam qualifying them as Registered Vascular Technologists by the American Registry for Diagnostic Medical Sonography. ARDMS credentials document personal achievement and expertise of recognized professional standards.



Our practice currently employs seven staff members in addition to our physicians. We are proud to highlight their compassionate and caring attitudes which transcend into every facet of our practice. They go above and beyond the scope of being accommodating for every patient need. Our patients do not feel like a "number" and experience very little wait times in our office. We schedule our patients so that each and every one will receive the physician's full time and attention for their particular concerns. We do not "double book".

Practice Manager/Registered Nurse:
Our Practice Manager is currently a registered nurse with a Bachelor's Degree and over 30 years experience in cardiovascular intensive care and business management. She assists the physicians with most of the surgical procedures and is skilled in ultrasonography techniques.

Clinical Personnel:
We currently employ a registered nurse as well as a medical assistant, both with over 15 years each of surgical and patient care experience. They circulate with surgical procedures and assist in patient care from consultation to last visit. They strive to maintain a comfortable and relaxed atmosphere for our patients.

Front Office Manager: Our front office manager is a medical assistant and also has over 10 years experience in office billing and coding, management, and is highly skilled with electronic claim submission and computer technology.

Insurance Verification:
Our insurance verification specialist makes sure that all patients are authorized for their procedures and works diligently reviewing charts and arranging peer reviews so that almost every patient can be confident that their insurance needs will be fully utilized with no hidden charges. Our patient's authorizations as well as their financial estimates and needs are provided before any procedures are performed. She is also fluent in Spanish.

Patient Check-In and Discharge:
Both of our reception and check-out personnel are also medical assistants so they have a vast knowledge of medical language and of the procedures provided by our practice. Both staff members are extremely welcoming and accommodating and have a wonderful rapport with our patients. Our check-in staff is also fluent in Spanish.

Carolyn Agnew, MSN, ARNP-C
Carolyn joined our staff at the beginning of 2013 and has opened up an exciting new field for our practice, offering injectables, skin care, and soon, laser treatments.

Carolyn received her Bachelor's Degree in Nursing from the University of New Brunswick and her Masters Degree in Nursing/ARNP from the University of Tampa. She is certified through the American Association of Nurse Practitioners. Her previous nursing experience has been in oncology, medical/surgical travel nursing, critical care, and plastic surgery.

Carolyn treats patients desiring facial refreshment with Botox and Dysport, as well as filler injectables, such as Juvederm, Voluma, Restylane, Restylane Lift, Restylane Silk. She is well versed in and continues to perform extensive research with new laser treatments that will soon be offered at our practice.

Carolyn’s 10-plus years of experience and the initial consultations are free of charge.

You can remain confident that from your initial visit to our practice throughout the length of your care with us, you will be treated with courtesy, respect, professionalism, confidentiality, and the finest medical care available for your venous concerns.

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Florida Vein Physicians


  • Received his M.D. from the University of Tennessee College of Medicine
  • Conducted his internship as well as his residency at the University of South Florida
  • Certified by the Board of Surgery
  • Served as Assistant Professor and Clinical Assistant Professor at the University of South Florida
  • Registered Vascular Technologist

Being recognized in his field, Dr. Butterick has also served the medical community in a variety of positions such as:

  • Chief of Surgery, Brandon Regional Medical Center
  • Chief of Staff, Brandon Regional Medical Center
  • Executive Committee, Brandon Regional Medical Center
  • Member American College of Phlebology
  • Member Vein Experts
  • Dr. Butterick is married with two sons and enjoys running and golf.


  • Received his M.D. from the Medical College of Georgia School of Medicine in Augusta, Georgia.
  • Conducted his residency in surgery at the University of South Florida where he served as Chief Resident in Surgery for one year.
  • Certified by the Board of Surgery
  • Fellow of American College of Surgeons
  • Served as Assistant Professor of Surgery and Clinical Assistant Professor of Surgery at the University of South Florida
  • In 1991, received the Florida Young Surgeon Award from the Florida Chapter of the American College of Surgeons.
  • Registered Vascular Technologist
  • Member American College of Phlebology
  • Member Vein Experts

Also being recognized in his field, Dr. Hall has served the medical community in a variety of positions such as:

  • At-large member of the Executive Committee at Brandon Regional Medical Center
  • Chairman of the Florida Physicians Advisory Council
  • Cancer Liaison Physician for Humana Hospital Brandon
  • Brandon Regional Hospital Board of Trustees
  • Charter Member of Tampa Bay Surgical Society
  • Medical Director of the Brandon Regional Wound Care Center
  • Member of the Medical Director's Leadership Council, Curative Health Services
  • Member of the Speaker's Bureau, Curative Health Services
  • Regional Medical Director, Curative Health Services

Dr. Hall is married with one son, two daughters and a granddaughter. He enjoys golf and football.

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