Roberto Santana, APRN
Nurse Practitioner
Conducts evaluations, treatment planning, and ongoing patient management as part of the Miami Vein Institute clinical team.
Care Team
Physician-led vein care, delivered by a full clinical team.
Miami Vein Institute's physician-led clinical team — vein specialists, advanced clinicians, sonographers, and patient coordinators — delivers standardized, evidence-based care across South Florida. Medical Director Dr. John W. Chang oversees the protocols and training that keep care consistent at every visit.
Medical Director
Dr. John W. Chang, MD
Setting the clinical standard for our care team
Overview
A specialty practice built on systems, protocols, and team-based care.
Miami Vein Institute brings together physicians, advanced clinicians, sonographers, and patient coordinators under one care model. Every member of the team is trained to follow the same evidence-based protocols — so consultations, ultrasounds, procedures, and follow-up feel personal, organized, and consistent regardless of provider or location.
"Treatment begins with an honest conversation. Our goal is to help every patient understand whether their concern is cosmetic, medical, or both."
Medical leadership at Miami Vein Institute
As Medical Director, Dr. Chang develops and maintains the clinical protocols, quality standards, and training programs that govern the standard of care delivered by every member of the team.
- Medical Director, Miami Vein Institute
- Sets the clinical standard for evaluations, EVLT, sclerotherapy, and ultrasound-guided care
- Leads case review and treatment planning across all three South Florida offices
- Mentors the broader clinical team in minimally invasive, office-based vein care
Clinical leadership
Our clinical team directs evaluations, imaging review, and treatment decisions — delivering consistent, protocol-driven care at every visit.
Patient safety
Minimally invasive care performed in a controlled, in-office setting with structured communication and aftercare.
Coordinated care
Consultations, scheduling, procedures, and follow-up are handled as one team — so nothing falls through the cracks.
Care team
One team, from first call through final follow-up.
Physicians, advanced clinicians, sonographers, and patient coordinators work together — following Miami Vein Institute's standardized protocols for scheduling, ultrasound visits, procedure days, compression guidance, and aftercare — so every patient gets the same coordinated standard of care across every location.
Leadership
Hands-on medical direction, every week.
Our Medical Director remains personally involved in protocol oversight, case review, and clinician training across all three offices — making sure the standard of care patients expect from Miami Vein Institute shows up at every visit, regardless of provider or location.
Conditions treated
- Varicose Veins
- Spider Veins
- Bulging Veins
- Reticular Veins
- Recurrent Veins After Prior Treatment
- Leg Swelling
- Leg Heaviness
- Aching or Throbbing Legs
- Tired Legs After Standing
- Night Cramps
- Restless Legs
- Burning or Itching Legs
- Pain After Standing or Sitting
- One Leg Bigger Than the Other (Asymmetric Swelling)
- Ankle Skin Discoloration
- Venous Stasis Dermatitis
- Dry, Itchy Skin Around the Ankle
- Venous Leg Ulcers
- Slow-Healing Wounds Near the Ankle
- Chronic Venous Insufficiency
- Venous Reflux Disease
- Superficial Venous Disease
- Poor Vein Valve Function
Treatments offered
- Ultrasound Vein Evaluation
- Venous Reflux Ultrasound
- Diagnostic Venous Duplex Ultrasound
- Vein Mapping
- Endovenous Laser Treatment (EVLT)
- Radiofrequency Ablation (RFA)
- VenaSeal
- Varithena
- ClariVein
- Ambulatory Phlebectomy
- Microphlebectomy
- Sclerotherapy
- Foam Sclerotherapy
- Ultrasound-Guided Foam Sclerotherapy
- Visual Sclerotherapy for Spider Veins
- Compression Stocking Guidance
- Conservative Vein Care
- Follow-Up Ultrasound
- Post-Treatment Care
Nurse Practitioners
Advanced practice clinicians on your care team.
Our nurse practitioners conduct evaluations, follow-ups, and ongoing patient management — extending Miami Vein Institute's standardized protocols so every visit feels personal, unhurried, and consistent.
Ailen Ruiz, APRN
Nurse Practitioner
Focuses on patient consultations, follow-up visits, and continuity of care across our offices.
Ultrasound Techs
Imaging specialists who support accurate vein diagnosis.
Our ultrasound technologists help document venous reflux, map problem veins, and support the diagnostic detail our clinical team relies on to plan treatment with confidence.
Ariel Penate
Ultrasound Technologist
Performs venous ultrasound imaging that helps guide accurate diagnosis and treatment planning.
Liana Perez
Ultrasound Technologist
Supports vein evaluations with detailed imaging and a calm, patient-centered exam experience.
Tahity Acanda
Ultrasound Technologist
Works closely with the clinical team to capture the imaging needed for physician-led care decisions.
Medical Assistants
Clinical support at every visit.
Our medical assistants help patients feel at ease — handling intake, vitals, and in-room support so each visit runs smoothly.
Melissa Rodriguez
Medical Assistant
Supports patient intake, vitals, and in-room clinical care across the Miami Vein Institute team.
Insurance & Operations
Behind-the-scenes care that protects your time and coverage.
Our operations lead manages insurance verification, authorizations, and scheduling logistics — so your visit, coverage, and follow-up all stay on track.
Katherine Batista
Senior Insurance & Operations Specialist
Leads insurance verification, authorizations, and day-to-day operations so patients always know what's covered before treatment.
Patient support team
The people you'll meet at every visit.
Patricia Santana
Patient Care Coordinator
Serves as the primary point of contact for patients, assisting with scheduling, appointment coordination, and ensuring a seamless experience from the first consultation through follow-up care.
Emely Barcia
Patient Experience Coordinator
Focused on creating an exceptional patient journey by answering questions, providing support, facilitating communication, and helping patients feel informed and comfortable throughout their treatment.
Jaclyn Melendez
Practice Operations Coordinator
Supports the daily operations of the practice by managing administrative processes, coordinating communication between departments, maintaining records, and helping ensure efficient office workflow.
Next step
Ready to Take the Next Step Toward Healthier Legs?
Schedule a consultation and learn whether your symptoms are cosmetic, medical, or both.