Innovators at Heart
What sets FHV Health physicians apart is our commitment to work together. Nearly 25 years ago, our board-certified and fellowship-trained specialists envisioned building the premier cardiovascular practice in Central Florida, by combining the talents of leading physicians who had expertise in diagnosing and treating a wide range of conditions and diseases of the heart and vascular system, with the latest technology and treatment options available.
Their vision quickly became reality, and today, they continue to dedicate themselves to treating each patient with the most ethical, compassionate, highest-quality care possible.
Meet Our Cardiologists

David C. Lew
MD, FACC, FSCAI, Chairman
Chairman, FHV Health
Clinical Assistant Professor, University of Florida
Diplomate – ABIM
Cardiovascular Disease & Interventional Cardiology
Medical School: University of Florida
Internship and Residency: University of Florida
Fellowship: University of Florida
- Expertise:
- Cardiac Catheterization
- PTCA and Stenting
- Carotid Stenting
- Atherectomy
- Peripheral Vascular Interventions
- Echocardiography
- Stress Testing
- Nuclear Stress Testing
- AAA Stent Graft
- Vascular Radiation Therapy
- Laser Vein Therapy
- TEE
- EECP

Jose R. Rosado
MD, FACC, Vice Chairman
Clinical Assistant Professor, University of Florida
Diplomate – ABIM
Cardiovascular Disease
Medical School: New York University School of Medicine
Internship & Residency: Washington University Medical Center, Barnes Hospital
Fellowship: Washington University Medical Center, Barnes Hospital
- Expertise:
- Cardiac Catheterization
- Consultative Cardiology
- Echocardiography
- Stress Testing
- Nuclear Cardiology
- TEE
- EECP

Robert B. Gibson
MD
Board Certified (ABIM)—Internal Medicine
Board Certified (ABIM)—Cardiovascular Disease
Robert Gibson is one of our newest doctors speciailizing in invasive cardiology. Dr. Gibson brings his experience to FHV Health in offering cardiac consultations, nuclear stress imaging, transthoracic and transesophageal echocardiography.
- Education:
- Medical School: Quillen College of Medicine, East Tennessee State University
- Internship: University of Florida School of Medicine
- Fellowship: University of Florida School of Medicine

John R. Hurt
MD, FACC
Diplomate – ABIM
Cardiovascular Disease & Interventional Cardiology
Medical School: University Central del Este’ – School of Medicine
Internship and Residency: Mount Carmel Health, Columbus, OH; Metro Health, Cleveland, OH; Edgewater Hospital, Chicago, IL
Fellowship: Mount Carmel Health, Columbus, OH; Ohio State University, Columbus, OH
- Expertise:
- Cardiac Catheterization
- PTCA and Stenting
- Consultative Cardiology
- Atherectomy
- Permanent Pacemaker
- Echocardiography
- Stress Testing
- Nuclear Cardiology
- EECP

Marwan Mihyu
MD, FACC
Diplomate – ABIM
Cardiovascular Disease
Medical School: American University of Beirut
Internship: American University of Beirut
Residency: McGill University/ Montreal General Hospital
Fellowship: Montreal General Hospital/ Montreal Heart Institute
- Expertise:
- Cardiac Catheterization
- Consultative Cardiology
- Echocardiography
- Stress Testing
- TEE
- EECP

Joseph G. Sahab
MD, FACC
Diplomate – ABIM
Cardiovascular Disease
Medical School: French Faculty of Medicine, Beirut
Internship and Residency: Cook County Hospital
Fellowship: Cook County Hospital
- Expertise:
- Consultation
- Pacemaker Evaluation
- Echocardiography
- Stress Testing
- Nuclear Cardiology
- Cardic Circulatory Disorders
- EECP

Patrick Kevin Williams
MD, FACC
Diplomate – ABIM
Cardiovascular Disease & Interventional Cardiology
Medical School: University of Florida
Residency: University of Florida
Fellowship: University of Florida
- Expertise:
- Cardiac Catheterization
- Consultative Cardiology
- Coronary PTCA and Stenting
- Atherectomy
- Peripheral Vascular Interventions
- Echocardiography
- Stress Testing
- Temporary Pacemaker
- TEE
- EECP
Meet Our Multi-Specialty Physicians

Maria Bello
MD, MPH Family Practice
American Board of Family Physicians
Medical School: University of Valladolid
Residency: University of Miami
Fellowship: University of South Florida
- Expertise:
- Chronic Disease Management
- Diabetes
- Headaches
- Blood Pressure
- Cholesterol
- Obesity: weight loss
- Gynecological Exams
- Family Planning
- Physical Exams
- Age appropriate cancer screenings
- Health maintenance

Robert Aisenstat
MD, Family Practice
Medical School: Universidad Tecnilogica De Santiago
Residency: Deaconess Hospital, St. Louis, MO
- Expertise:
- Hypertension
- Diabetes
- Sports Medicine
- General Family Practice

Tanya I. Diaz
MD, FAAFP Family Practice
Board Certified in Family Practice
Medical School: University of Puerto Rico
Residency: University of Puerto Rico Family Medicine
- Expertise:
- Disease prevention
- Chronic disease treatment- diabetes, hypertension, high cholesterol
- Women Health: pap smear, prevention
- Teenagers: Obesity, sports physical, menstrual problems
- Intra-articular injections: knees, shoulder

Justin Morgan
DO Family Practice
Florida Board of Osteopathic Medicine
Medical School: Nova Southeastern University
Residency: Lakeside Medical Center
- Expertise:
- General Family Practice
- Osteopathic Manipulative Therapy
- Joint Injections
- Nutritional Assessment and Treatment

Larry D. Foster
MD, FAAFP, CAQG Family Practice
American Board of Family Practice – Geriatrics
American Board of Family Practice – Family Practice
Medical School: University of Iowa College of Medicine
Internship: University of California- Valley Medical Center
Residency: Florida Hospital Group
- Expertise:
- General Family Practice
- Geriatrics

Jeffrey Robinson
MD, FAAFP, CAQG Family Practice
American Board of Family Practice & Geriatrics
Medical School: University of South Florida
Residency: University of Florida
- Expertise:
- General Family Practice
- Geriatrics

Kenneth Obiaja
MD, MPH, FAAFP Family Practice
American Board of Family Medicine – Family Medicine
Medical School: Superior Inst. of Medical Sciences, Havana, Cuba
Residency: University of Miami, Jackson Memorial Hospital
- Expertise:
- Acute Care
- Complex and Multi-SystemProblem Treatment
- Disease Prevention
- Immunizations

Debbie Pate
ARNP, ANP-C Family Practice
Training: MSN and Post Graduate for Nurse Practitioners – Florida Southern College
- Expertise:
- General Adult Practice

Kari Riley
FNP-BC Family Practice
MSN & BSN: Kaplan University
ASN: Keiser University

Robert Swietarski
MD, FACP Internal Medicine
Board Certified, Internal Medicine
Medical Education: S.U.N.Y. at Albany, New York (BS), Barry University, Miami Shores, Florida (MS), St. George’s University School of Medicine (MD)
- Expertise:
- Full Service Primary Care
- Treatment of complex and multisystem problems, and chronic disease management (COPD, diabetes, hypertension, thyroid, etc.)
- Men’s Health Issues
- 23 Years of Practice Experience

Michael Glick
MD Internal Medicine
Board Certified Internal Medicine
Medical School: New York Medical College
Internship: Westchester County Medical Center, New York
Residency: Westchester County Medical Center, New York
Fellowship: St. Luke’s Medical Center, Kansas City, MO
- Expertise
- Hypertension
- Diabetes
- Noninvasive Cardiology
- Circulation Problems
- Arthritis
- General Adult Medical Conditions
- Thyroid Disease
- Elevated Cholesterol

David L. Sustarsic
MD, FACS Vascular Surgery
Diplomate – American Board of Surgery
Medical School: West Virginia University School of Medicine
Internship: University Hospital, West Virginia University
Residency: Portsmouth Naval Hospital
- Expertise:
- Peripheral Arterial Vascular Surgery
- Endovascular Interventions
- AAA Stenting
- Carotid Endarterectomy
- Dialysis Access
- Pacemaker Implantations
- Defibrillator Implantations

Leon Bard
PA-C
- Education:
- Undergraduate: University of South Florida
- Graduate: Florida Gulf Coast University
- Medical School: Nova Southeastern University

Renee G. Williams
MSN, FNP, NP-C Family Practice
MSN: Chamberlain University, St. Charles, Illinois
BSN: Western Governors University, Salt Lake City, Utah
- Expertise:
- Family Practice

Angela L. Tatro
FNP-C Urgent Care
Board Certified: American Academy of Nurse Practitioners
MSN: Chamberlain University, St. Charles, Illinois
BSN: St. Luke’s College of Nursing, Kansas City, Missouri

Natalie M. Lam
MSN, FNP-C Urgent Care
Board Certified: American Academy of Nurse Practitioners
MSN-Family Nurse Practitioner: Frontier Nursing University, Hyden, Kentucky
BSN: Remington College of Nursing, Lake Mary, Florida
BS Applied Physiology and Kinesiology: University of Florida, Gainesville, Florida