
Highlights
Age Groups Seen
- Young Adults (ages 19-26)
- Adults
- Geriatrics (ages 70+)
Languages
- Spanish
- French
- Creole - Haitian
- English
About Ralph Georges Nader
Areas of Expertise
Metabolic imaging
MUGA scans
PYP scans
Stress tests
Echocardiography
Holters
MCOTs
Pacer/AICD analysis
Non-invasive vascular imaging
Biography
Dr. Ralph Nader is a board-certified clinical and nuclear cardiologist with over 35 years of experience in private practice. He earned his medical degree with distinction from Northwestern University in Chicago and completed his specialty training at Beth Israel Hospital of Harvard Medical School and the Hospital of the University of Pennsylvania.
Dr. Nader is board certified in internal medicine, cardiovascular diseases, nuclear cardiology, and interventional cardiology. He is a Fellow of the American College of Cardiology (FACC), the American Society of Nuclear Cardiology (FASNC), and the Society for Cardiovascular Angiography and Interventions.
Dedicated to preventive care, Dr. Nader emphasizes early detection and clinical management of cardiovascular disease to help patients avoid surgical intervention whenever possible. He brings decades of expertise in performing and interpreting a wide range of diagnostic and therapeutic cardiovascular procedures, with a particular focus on nuclear cardiology and cardiac PET imaging.
Dr. Nader is passionate about empowering patients to live long, active lives through healthy lifestyle choices, supported by medical therapy and advanced technology when appropriate.
Locations
- 8333 Northwest 53rd Street, Suite 103, Doral, FL 33166
- Get Directions
- 5555 Ponce De Leon Boulevard, Floor 3, Coral Gables, FL 33146
- Get Directions
Expertise
Education
- Fellowship: Hospital of University of Pennsylvania School of Cardiovascular Disease Fellowship Program, Interventional Cardiology, 1990
- Residency: Beth Israel Deaconess Medical Center School-Residency & InternshipTraining Program, Internal Medicine, 1987
- Internship: Beth Israel Deaconess Medical Center School-Residency & InternshipTraining Program, Internal Medicine, 1985
- Medical School: Northwestern University Feinberg School of Medicine, Medical School, 1984
Insurance
- Aetna - WC
- Aetna Affiliates/Signature Adm. (ASA)
- Aetna Behavioral Health
- Aetna Elect Choice (EPO)
- Aetna-FL Healthy Kids
- Aetna-HMO
- Aetna-Medicaid HMO
- Aetna-Medicare HMO
- Aetna-Medicare PPO
- Aetna-POS
- Aetna-PPO
- Aetna-UM Employee-HMO 1
- Aetna-UM Employee-HMO 2
- Aetna-UM Employee-POS HRA
- Aetna/Coventry - Institutes of Excellence (IOE)
- Amerigroup-FL Healthy Kids
- Amerigroup-Medicaid HMO
- Argus Vision
- AvMed Choice
- AvMed-HMO/POS
- AvMed-MDC and JHS Groups
- AvMed-Medicare HMO
- AXIS
- BCBS Blue Options-Network Blue-PPO
- BCBS BlueCare-HealthOptions HMO
- BCBS BlueChoice PPC-PPO
- BCBS Miami Dade Blue-PPO
- BCBS of FL - except "SELECT" Plans
- BCBS of FL (Commercial plans exclude HIX Select)
- BCBS Traditional-PHS-PPO
- Beacon Health (FKA ValueOption)
- Beech Street-PPO
- Broward Health Medical Center
- CarePlus-Medicare HMO
- Catholic Hospice
- CCP-CMS Title XIX (Medicaid Enrolled in South Florida)
- CCP-CMS Title XXI (Non-Medicaid Enrolled in South Florida)
- CCP-MMA (Broward County residents)
- Charlotte County Sheriff's Office-PPO
- Cigna Affiliates
- Cigna Behavioral Health
- Cigna Dental-HMO and PPO
- Cigna Life Source (Intracorp is part of Cigna Lifesource)
- Cigna Shared Administration
- Cigna-EPO
- Cigna-HMO
- Cigna-MDCPS Jackson Sr. High
- Cigna-POS
- Cigna-PPO
- Clear Health Alliance-SNP Medicaid HMO
- CompCare (Comprehensive Behavioral Care)
- Concordia Behavioral Health
- CorVel - WC
- Coventry First Health - WC
- Coventry Health Care of FL (HIP)-HMO/POS
- Coventry Health Care of FL (HIP)-PPO
- Coventry Health Plan of FL (Foundation)-HMO
- Coventry Health Plan of FL (Foundation)-POS
- Coventry National-PPO
- Coventry Summit-Medicare HMO
- Coventry Vista-Medicare HMO
- Coventry-First Health-PPO
- Delta Dental-PPO
- DentaQuest (ADI)
- DIKLA
- Dimension - WC
- Dimension Plus-PPO
- EHN - PPO
- EQUIAN (fka Health Systems International)
- Europe Assistance/Global Corporate Solutions
- eyeQuest
- FCCI - WC
- Florida Healthcare Plan (Affiliate of BCBSFL)
- Florida PACE (FPC)
- Freedom Health-Medicaid HMO
- Freedom Health-Medicare HMO
- Gallagher Bassett - WC (MDCPS & FCSRMC)
- Global Excel Mgt PPO
- Global Health Claims Services
- Great West (Cigna)-HMO/POS
- Guardian Life PPO
- HAA Preferred Partners
- Health First Health-HMO/POS
- Health First Health-Medicare HMO
- Health First Health-PPO
- Health Net Veterans Choice HMO
- Heritage Summit Healthcare - WC
- Humana - HUMx
- Humana Behavioral Health (fka LifeSynch)
- Humana Dental/CompBenefits/OHS
- Humana National Transplant
- Humana-EPO
- Humana-HMO
- Humana-Medicaid HMO
- Humana-Medicare HMO
- Humana-PPO
- Humana-Premier
- iCare Health Solutions
- Interlink Health Services
- International Kids Fund (IKF)
- League Medical Concepts-Federal Inmates
- Life Trac
- Magellan Behavioral Health
- Magellan Complete Care-SNP Medicaid HMO
- MDAbroad
- Medica-Medicare HMO
- Medical Development In't (MDI)-Federal Inmates
- Medicus
- Metlife Dental-PPO
- MHNet Behavioral Network
- Molina
- Molina - Market Place
- Molina-Medicaid HMO
- Molina-Medicare HMO
- Morgan White International
- MultiPlan-PPO
- Naphcare (Federal Prisoners)
- National Healthcare Solutions Inc.
- Neighborhood HealthPlan-HMO/POS
- Neighborhood HealthPlan-PPO
- North Broward Hospital District-PPO
- Olympus Managed Healthcare
- Optum
- Positive Healthcare-SNP Medicaid HMO
- Positive Healthcare-SNP Medicare HMO
- Prestige Health Choice-Medicaid HMO
- Prime Health Services - WC
- Quality Health Management
- Religious Order of Jehovah's Witnesses-PPO
- Rockport Healthcare Group - WC
- Royal Caribbean Cruises-PPO
- Sanus Health Corporation
- Simply Healthcare-Medicaid HMO
- Solstice Dental-HMO and PPO
- Start Healthcare Network
- Sunshine
- Sunshine - AMBETTER
- Sunshine-Healthy Kids HMO
- Sunshine-Medicaid HMO
- Sunshine-Medicare HMO
- Tricare South Prime-HMO
- Tricare South Standard-PPO
- United Behavioral Health (UBH)
- UnitedHealthcare Affiliates
- UnitedHealthcare-Healthy Kids HMO
- UnitedHealthcare-HMO/POS
- UnitedHealthcare-Medicaid HMO
- UnitedHealthcare-Medicare Nursing Home Plan
- UnitedHealthcare-PPO
- University of Miami Athletic Dept-PPO
- VUMI
- Wellcare/Staywell-Healthy Kids HMO
- Wellcare/Staywell-Medicaid HMO
- Wexford Health-State Inmates
- Worldwide Managed Care
Ratings & Reviews
4.9 out of 5
292 ratings, 70 reviewsUHealth is committed to being transparent with our patients and community. To achieve this, we include positive and negative comments from the care provider section of the medical practice survey. All ratings and comments are submitted by patients who have experienced outpatient care with our providers. Comments are carefully reviewed to ensure that each one accurately reflects the patient's perception of the care they received.
- 5 out of 5 starsReviewed on 2/25/2026
Just looking forward to my future appointments with Dr. Ralph G. Nader.
- 5 out of 5 starsReviewed on 2/18/2026
Keep up the good work
- 5 out of 5 starsReviewed on 2/14/2026
Excelente experiencia!
- 5 out of 5 starsReviewed on 1/13/2026
Excellency
- 5 out of 5 starsReviewed on 1/13/2026
Excelente
- 5 out of 5 starsReviewed on 1/11/2026
very passionate and caring
- 5 out of 5 starsReviewed on 1/10/2026
Confident to recommend to others
- 5 out of 5 starsReviewed on 1/6/2026
Muy buena
- 5 out of 5 starsReviewed on 12/25/2025
Dr Nader has been my interventional cardiologist for 16 years. He is not only a great experienced cardiologist he is understanding, thoughtful and kind.
- 5 out of 5 starsReviewed on 12/24/2025
Caring doctor, took time to answer my concerns
- 5 out of 5 starsReviewed on 12/24/2025
Dr. Nader is an exceptional cardiologist. He has been my cardiologist since 2006, and I am very grateful to have him as my physician. He is always attentive to my concerns and responds quickly when necessary. I highly recommend Dr. Nader to anyone looking for a top-notch cardiologist.
- 5 out of 5 starsReviewed on 12/22/2025
I came to U-Health because of Dr.Nader.
- 5 out of 5 starsReviewed on 12/22/2025
Excellent
- 5 out of 5 starsReviewed on 12/18/2025
I would highly the facility and Dr Ralph Nader
- 5 out of 5 starsReviewed on 12/18/2025
5 star rating, we were expressing our gratitude to the Lord for our experience and results yesterday.
- 5 out of 5 starsReviewed on 12/17/2025
Dr. Nader and his assistance are first class service provider.
- 5 out of 5 starsReviewed on 12/16/2025
Great care
- 5 out of 5 starsReviewed on 12/16/2025
Recommend without reservation
- 5 out of 5 starsReviewed on 12/15/2025
Pleasant and competent treatment
- 5 out of 5 starsReviewed on 12/15/2025
The doctor himself and the entire staff was very professional and took the appropriate amount of time.
- 5 out of 5 starsReviewed on 11/23/2025
Dr. Ralph Nader is an exceptional cardiologist with outstanding professionalism, bedside manner, and attention to detail. After my heart attack, I went through several cardiologists and often felt like just a number. Dr. Nader is the first physician who made me feel genuinely cared for. His thoroughness and compassion truly set him apart from anyone else I’ve seen. I highly recommend him.
- 5 out of 5 starsReviewed on 11/21/2025
Great care provided. Thank you!
- 5 out of 5 starsReviewed on 11/18/2025
Again the Best Service with a Smile
- 5 out of 5 starsReviewed on 11/7/2025
Dr Nader is an experienced cardiologist, I feel confident and cared for. He has given me excellent care and comfort through many dark days. Dr Nader has guided me for 15 years.
- 5 out of 5 starsReviewed on 10/31/2025
The only reason I came back to UM is because this excellent provider moved here to this facility.
- 5 out of 5 starsReviewed on 10/28/2025
Fabulous
- 5 out of 5 starsReviewed on 10/22/2025
Great
- 5 out of 5 starsReviewed on 10/21/2025
Amazing every time . Very happy thank you
- 5 out of 5 starsReviewed on 10/17/2025
Overall very satisfied
- 5 out of 5 starsReviewed on 10/15/2025
Excellent treatment. Outstanding Dr and nurse.
- 5 out of 5 starsReviewed on 10/7/2025
excellent dr and person
- 5 out of 5 starsReviewed on 10/4/2025
He has great bedside manner. He is really knowledgeable in All areas. He is kind to all he is sincere and he
- 5 out of 5 starsReviewed on 9/29/2025
Very knowledgeable
- 5 out of 5 starsReviewed on 9/28/2025
Excellent attention and care from Dr. Nader and Dr. Ionnis Khatzizisis
- 5 out of 5 starsReviewed on 9/23/2025
Um system great
- 5 out of 5 starsReviewed on 9/21/2025
Todo bien
- 5 out of 5 starsReviewed on 9/17/2025
I followed Dr. Nader because of the level of care he provides
- 5 out of 5 starsReviewed on 9/17/2025
My experience was wonderful.
- 5 out of 5 starsReviewed on 9/17/2025
Very nice
- 5 out of 5 starsReviewed on 9/9/2025
Dr Nader satisfied my concerns about a heart monitor. His in-depth knowledge, professional and kind bedside manner is Aplus.
- 5 out of 5 starsReviewed on 9/6/2025
Dr Ralph Nader is knowledgeable, humane, courteous, paience, excellent bedside manners
- 5 out of 5 starsReviewed on 9/6/2025
Excellent care
- 5 out of 5 starsReviewed on 8/28/2025
We are lucky to have this Doctors
- 5 out of 5 starsReviewed on 8/27/2025
Dr Nader and PA make a difference. I know that I am in good hands. I have been a patient of Dr Nader for almost 19 years.
- 5 out of 5 starsReviewed on 8/12/2025
Very professional and educational very compassionate with all my concerns
- 5 out of 5 starsReviewed on 8/9/2025
Dr. Ralph Nader is the primary reason why I even went to your facility in the first place. I have to admit that I was also pleasantly surprised by how professionally I was treated by your entire staff from greeter, nurse etc… I do want to make it perfectly clear though that Dr. Nader has been and will continue to always be mine and my family’s personal Cardiologist, also the main reason why we will continue to patronize UHealth for all our Cardiological Care needs…
- 5 out of 5 starsReviewed on 8/9/2025
Thank you very much Dr. Ralph Nader
- 5 out of 5 starsReviewed on 8/9/2025
Extremely satisfied and grateful, Dr Nader is excellent; he was my cardiologist years ago, I’ve tried others because of relocation but I’m so glad to have been able to come back to him. He’s GREAT!
- 5 out of 5 starsReviewed on 8/6/2025
Amazing service
- 5 out of 5 starsReviewed on 8/5/2025
Very good
- 5 out of 5 starsReviewed on 8/2/2025
Very comfortable and detailed
- 5 out of 5 starsReviewed on 7/24/2025
Dr. Nader was very good at treating me with the utmost care and genuinely interested in my wellbeing
- 5 out of 5 starsReviewed on 7/22/2025
Glad Dr Nader is now at uhealth
- 5 out of 5 starsReviewed on 7/22/2025
Everything went great.
- 5 out of 5 starsReviewed on 7/20/2025
Everyone was very professional
- 5 out of 5 starsReviewed on 7/19/2025
Best Cardiologist Dr Ralph Nader !
- 5 out of 5 starsReviewed on 7/18/2025
I am so happy Dr Nader is part of UHealth!
- 5 out of 5 starsReviewed on 7/17/2025
I drive 35 miles to come for the expert care of Dr. Ralph Nader and his nurse.
- 5 out of 5 starsReviewed on 7/15/2025
Excellent Doctor
- 5 out of 5 starsReviewed on 7/14/2025
Great staff
- 5 out of 5 starsReviewed on 7/13/2025
I can’t say enough positive things about Dr. Nader and his nurse Madeline. In our opinion, he is the best cardiologist we have had the pleasure of meeting.
- 5 out of 5 starsReviewed on 7/9/2025
Both Dr Nadere and his nurse assistant were exceptional
- 5 out of 5 starsReviewed on 7/8/2025
The experience at UM health was absolutely excellent. I will say that in your survey you should have more little bubbles that say excellent and not just very good. Take care from the beginning to the end was excellent.
- 5 out of 5 starsReviewed on 7/6/2025
Dr. Nader is an exceptional cardiologist
- 5 out of 5 starsReviewed on 7/4/2025
Excellent
- 5 out of 5 starsReviewed on 7/4/2025
i’ve known the providers from another medical system and followed them here
- 4 out of 5 starsReviewed on 7/3/2025
Successful
- 5 out of 5 starsReviewed on 7/2/2025
Making the appointment and checking in when I got there was easy and efficient. The tech who administered the ekg and Madelin, the doctor's Nurse, were professional and caring. Dr. Nader was kind and knowledgeable when talking about my situation, making recommendations for my care and suggesting my follow up appointments as well as scheduling other appointments and bloodwork. I felt heard and cared for here.
- 5 out of 5 starsReviewed on 7/1/2025
Treated with the upmost respect, bedside, manners, sincere concern for my health and wellness as of a concierge service. My doctor is professional and knowledgeable (educated).
- 5 out of 5 starsReviewed on 7/1/2025
Excellent experience all along.