37 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Marmur, Cardiologist in Brooklyn, NY?
Dr. Jonathan Marmur, MD is a Cardiologist, who primarily practices in Brooklyn, NY with 1 additional practice location. He has been practicing for over 37 years. Dr. Marmur is fluent in English and French, and is currently seeing new patients. Dr. Marmur’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marmur’s office at (718) 270-1081.
What are Areas of Expertise for Dr. Marmur?
Dr. Jonathan Marmur, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Marmur empowers patients to confidently navigate their health journey, specializing in Cardiac Catheterization, Coronary Artery Disease, and comprehensive wellness support. Serving the Brooklyn, NY community, Dr. Marmur is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Marmur go to medical school and complete their residency?
Medical School: Universite Laval, Quebec, Canada | Universite Laval, Faculte De Medecine
What languages does Dr. Marmur speak?
Dr. Marmur and their clinical team can communicate with patients in the following languages:
English
French
What conditions does a Cardiologist like Dr. Marmur typically treat?
As a Cardiologist, Dr. Marmur diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Marmur. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Heart Attack (NSTEMI)
- Heart Attack
- Myocardial Infarction
- Non-STEMI
- Less Severe Heart Attack
ICD-10 Codes:
- I214: Non-ST elevation (NSTEMI) myocardial infarction
What procedures does a Cardiologist like Dr. Marmur typically perform?
As a Cardiologist, procedures performed by Dr. Jonathan Marmur may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
Please contact Dr. Marmur's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Marmur accept my insurance?
Dr. Marmur accepts most major insurance plans. Important: Please call our office at (718) 270-1081 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Marmur accept in Brooklyn, NY?
Dr. Marmur in Brooklyn, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Amida Care
Cigna Group
CVS Health (formerly Aetna)
Elderplan
Healthfirst New York
Medicare
National Benefit Fund
New York City Health and Hospitals Corporation
Service Employees International Union (SEIU)
View All Insurances
Where is Dr. Marmur's office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - All Time
Among the most nominated for the Castle Connolly Top Doctor recognition across all time
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
Doctor’s Choice - Last 5 Years
Among the most nominated for the Castle Connolly Top Doctor recognition in the last 5 years
What is Dr. Marmur's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Marmur's National Provider Identifier (NPI) number is 1184619652.
What common questions do patients ask about Dr. Marmur?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Marmur
What is Dr. Jonathan Marmur's specialty?
Dr. Marmur is a Cardiologist near Brooklyn, NY.
What does a Cardiologist do?
An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias.
Is this Dr. Jonathan Marmur affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Marmur is affiliated with Suny Downstate Medical Center (university Hospital Of Brooklyn) which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Cardiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Cardiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Jonathan Marmur accepting new patients in Brooklyn, NY?
Yes, Dr. Jonathan Marmur is accepting new patients at this time.
Does Dr. Jonathan Marmur offer online booking?
Please contact Dr. Marmur's office at (718) 270-1081 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jonathan Marmur?
Please contact Dr. Marmur's office at (718) 270-1081 for information regarding telehealth appointment availability or for scheduling assistance.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>