
Accepting patients
Online booking
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ruan, Cardiologist in Bayside, NY?
Dr. Jonathan Ruan is a board certified Cardiologist practicing at NewYork-Presbyterian Medical Group Queens located in Flushing, NY. He received his medical degree from the University at Buffalo School of Medicine and Biomedical Science, completed his residency in Internal Medicine and fellowship in Cardiovascular Disease. Dr. Ruan is certified by the American Board of Internal Medicine and is sub-certified in Cardiovascular Disease. He is routinely involved in the training of residents and fellows in the inpatient setting, heavily involved in clinical cardiology, advanced echocardiography, and nuclear SPECT imaging.
What languages does Dr. Ruan speak?
Dr. Ruan and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does a Cardiologist like Dr. Ruan typically treat?
As a Cardiologist, Dr. Ruan 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. Ruan. 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.
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:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Also known as:
- Heart Palpitations
- Arrhythmia
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- R002: Palpitations
Does Dr. Ruan accept my insurance?
Dr. Ruan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ruan accept in Bayside, NY?
Dr. Ruan in Bayside, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
International Brotherhood of Teamsters (IBT)
Medicare
Service Employees International Union (SEIU)
Unknown
View All Insurances
Where is Dr. Ruan's office located?

NewYork-Presbyterian Medical Group Queens - Family Medicine & Cardiology
23-89 Bell Boulevard
1st Floor
Bayside, NY 11360
Would you like to schedule an appointment with Dr. Jonathan Ruan?
Dr. Ruan has appointments available at his Bayside, NY office. Please select a date and time below.
What is Dr. Ruan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ruan's National Provider Identifier (NPI) number is 1083939839.
What common questions do patients ask about Dr. Ruan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ruan
What is Dr. Jonathan Ruan's specialty?
Dr. Ruan is a Cardiologist near Bayside, 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 Ruan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ruan is affiliated with Newyork-Presbyterian Queens 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 Ruan accepting new patients in Bayside, NY?
Yes, Dr. Jonathan Ruan is accepting new patients at this time.
Does Dr. Jonathan Ruan offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Ruan, or contact the office for more information.
How can I make an appointment with Jonathan Ruan?
Please contact Dr. Ruan's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Cardiologist Near Bayside, NY

Dr. Sijun Kim, DO is a Cardiologist, who primarily practices in Bayside, NY.

NewYork-Presbyterian Medical Group Queens - Family Medicine & Cardiology
23-89 Bell Boulevard
Bayside, NY 11360

Adult Congenital Heart Disease Specialist
Dr. Peter Rosenberg, MD is an Adult Congenital Heart Disease Specialist, who primarily practices in Bayside, NY. He has been practicing for over 45 years and is board certified.
Bayside, NY
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Dr. Stuart Okin, MD is a Cardiologist, who primarily practices in Bayside, NY with 2 additional practice locations. He has been practicing for over 31 years and is board certified.
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Connect with DR. Ruan
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NewYork-Presbyterian Medical Group Queens - Family Medicine & Cardiology
23-89 Bell Boulevard
Bayside, NY 11360