What patients are saying
Overall rating
4.97
Average wait time
4.69
Bedside manner
4.97
“Very clear on the explanation about exams and treatment, attentive staff over all in the clinic, very short time to see the doctor and the nurses. ”
Carlos C.January 24, 2026
“Dr. Gagos and his team are very kind and professional, you can tell the office is very organized and runs very efficiently, and the care is excellent. ”
Demetra P.October 9, 2025
About Dr. Marios Gagos
Dr. Marios Gagos is a highly skilled cardiologist. He sees patients in person at Gagos Cardiovascular Medicine PLLC in Astoria, New York.
Dr. Gagos acquired his medical degree from NYIT College Of Osteopathic Medicine as part of his formal education. He holds a certification in cardiovascular disease from the American Board of Internal Medicine.
Dr. Gagos sees patients with various heart concerns. During consultations, he listens to them, explains their conditions, and helps them select a suitable treatment plan. He believes in developing lasting relationships with them to ensure and maintain positive health outcomes.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Emblem Health
Medicare
UnitedHealthcare
UnitedHealthcare Oxford
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Chronic high blood pressure
Coronary Artery Disease
Heart valve disorders
Peripheral vascular disease
High cholesterol
Chronic high blood pressure
Coronary Artery Disease
Heart valve disorders
Peripheral vascular disease
Office locations
Gagos Cardiovascular Medicine PLLC (1 of 2)
2747 Crescent St, Ste 206, Astoria, NY 11102
Gagos Cardiovascular Medicine PLLC (2 of 2)
36-35 BELL BLVD, suite 205, BAYSIDE, NY 11361
1 of 2
Education and background
Practice names
Board certifications
- Cardiovascular Disease (American Board of Internal Medicine)
Education and training
- Medical School - NYIT College Of Osteopathic Medicine, Doctor of Osteopathic Medicine
Awards and publications
- Castle Connolly Top Doctor
Languages spoken
- English
Provider's gender
Male
NPI number
1699905000
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.97
Wait time
4.69
Bedside manner
4.97
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
75 reviews
Most relevant
the office is very clean and nice. the doctor was fine, even though he stared at me like i had 2 heads. he was nice enough
Less than 1 year agoInitials hidden
Warm and friendly environment. Dr.Gagos truly cares and wants the best for his patients!
February 19, 2026Nicholas P.Verified patient
My visit was very professional, and on time. Dr. Gagos is excellent and very thorough during examinations. Highly recommend.
More than 1 year agoPP
Receptionist - friendly & professional. Dr. Well learned & tested for everything that could be wrong. I keep coming back.
More than 1 year agoLL
I am very pleased with Dr. Gagos, he has helped me for many years. I appreciate his services and his wonderful staff.
More than 1 year agoSH
Always very caring and thorough, makes his patients feel in good care. Never in a rush. Excellent doctor.
More than 1 year agoAP
Great office. Very friendly and sufficient. Doctor Gagos very thorough, great bedside manner.
More than 1 year agoKP
Very good doctor - Very happy with Dr Gagos & his staff. They are all very accomidating.
More than 1 year agoEG
Dr Gagos is extremely thorough that is what a doctor of it is field or any should be!
More than 1 year agoTE
Dr. Gagos is excellent! Visits are always easy and on time! Also staff is very kind!
More than 1 year agoPA
Very thorough Doctor. addressed all of my concerns. Staff was very welcoming also.
More than 1 year agoMK
Nice group of people and a kind and friendly doctor. Glad I found them.
March 18, 2025Bett G.Verified patient
Dr. Gagos is excellent. Visits are always on time. Staff is also great!
More than 1 year agoSM
Great experience, highly recommended doctor and office staff.
More than 1 year agoThomas N.Verified patient
Good staff, great doc! Very comfortable environment
March 13, 2025Emmanuel K.Verified patient
Dr. Gagos is excellent! Great staff. Everyone is so kind!
More than 1 year agoMM
Quick & pleasant meeting. Staff is very kind & helpful.
More than 1 year agoKA
Dr. Gagos is excellent!! The staff is also very kind!
More than 1 year agoEA
Was excellent Dr. Gagos is a wonderful Dr. The best!
More than 1 year agoLD
Amazing service.
March 14, 2026Julio A.Verified patient
Great experience overall will highly recommend
February 17, 2026Nicolette H.Verified patient
Very clear on the explanation about exams and treatment, attentive staff over all in the clinic, very short time to see the doctor and the nurses.
January 24, 2026Carlos C.Verified patient
Easy to talk to.
October 17, 2025Ernest K.Verified patient
Dr. Gagos and his team are very kind and professional, you can tell the office is very organized and runs very efficiently, and the care is excellent.
October 9, 2025Demetra P.Verified patient
Very professional and listened to everything I had to say! Have new follow up information and very receptive to continuing care and addressing my issues further.
February 14, 2025Dominick C.Verified patient
Fantastic doctor.
January 17, 2025Stefan P.Verified patient
Very good doctor who paid attention to details and took steps to prevent a kind of heart disease that might appear in the future.
November 22, 2024Angela P.Verified patient
It’s wonderful
November 7, 2024Karima Z.Verified patient
My visits have always been great. The team is very professional and accomodating. Dr Gagos is very thorough and detailed with his explainations. Transparency is very important to manual it is appriciated.
More than 1 year agoMS
Been a patient of Dr. Gagos for many years. He is absolutely wonderful! Thorough, caring, fully explains all in terms you can understand, excellent follow-up. Additionally, his staff (across the board - front office, & techs are the best!)
More than 1 year agoKM
The best cardiologist! Dr. Gagos always listens to my concerns and never dismissed any of my concerns. The atmosphere of the office is always pleasant and the staff is always kind and helpful. We are thankful to have such a remarkable physician. I feel blessed to have him.
More than 1 year agoSK
I found the care very good and the doctor teratine to all my concerns. I find he listens well and I recommend his service to my friends.
More than 1 year agoTB
I had a positive experience.
More than 1 year agoEB
I have been going to Dr. Gagos for years and his level of care has never changed. He cares about his patients and always takes the time to explain things. Wonderful bedside manner.
More than 1 year agoST
Had a great experience. 1st visit doctor wasn't in network with my insurance. Still saw me with no change to make sure everything was okay. Highly recommend Dr. Gagos.
More than 1 year agoKK
It was very helpful and the front desk girls are wonderful they make you feel well when you not there very warming and the doctor is patient with you very concerning & answers all you question and give you referals if needed I wouldn't change doctors for the world I love them.
More than 1 year agoPI
Satisfied and very professional.
More than 1 year agoPM
Dr. Gagos I highly recommend him! My entire family trust him with our heart health because of his exceptional care and dedication. He is incredibly kind, compassionate and thorough in every aspect of his work. If you are looking for a cardiologist who truly cares about your well. Being, Look no further!
More than 1 year agoPM
The doctor & staff are very welcoming.
More than 1 year agoDK
Our visit is exceptional, Dr. Gagos is one of the best Cardiologist! We are blessed to be his patients. The office is always clean and the staff is always helpful and pleasant. We are greatful to have Dr. Gagos as our family Cardiologist.
More than 1 year agoRK
Great office staff. Always helpful. Dr. Gagos is very efficient. Even does testing same day if needed. Very caring of all his patients.
More than 1 year agoPC
Very good Cardiologist!!
More than 1 year agoPP
Dr Gagos, Is a phenomenal doctor, He is attentive, encourages feedback regarding how your care plan is working for you. He also gets his patients in and out in a timely manner. I would defidently recommend him as a healthcare provider.
More than 1 year agoKW
Dr. Gagos is very attentive and extremely professional. He has been very thorough and listens to my concerns patiently. He has been very invested in the well being of my mom's and myself. Highly recommend him.
More than 1 year agoEJ
Less than 1 month agoInitials hidden
Less than 3 months agoInitials hidden
Less than 3 months agoInitials hidden
February 9, 2026Steven A.Verified patient
Less than 3 months agoInitials hidden
February 1, 2026Andre C.Verified patient
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How soon can I make an appointment with Dr. Marios Gagos?
Generally, Dr. Marios Gagos has appointments available on Zocdoc within 1 week. You can see Dr. Gagos's earliest availability on Zocdoc and make an appointment online.
Is Dr. Marios Gagos accepting new patients?
Dr. Marios Gagos generally accepts new patients on Zocdoc. You can see Dr. Gagos's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Marios Gagos accept my insurance?
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Can I make an appointment with Dr. Marios Gagos online?
Yes, you can make an appointment online with Dr. Gagos using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Marios Gagos work with?
Dr. Marios Gagos works with Gagos Cardiovascular Medicine PLLC.
Where is Dr. Marios Gagos's office located?
Dr. Marios Gagos has 2 office locations, including in Astoria and BAYSIDE, view full addresses on Dr. Gagos's profile.
Which board certifications does Dr. Marios Gagos have?
Dr. Marios Gagos is certified by Cardiovascular Disease (American Board of Internal Medicine).
What are common reasons for patients to see Dr. Marios Gagos?
Dr. Marios Gagos frequently sees patients for COVID-19 Testing, Cardiology Consultation , High Blood Pressure / Hypertension, New Patient Visit, and Ultrasound. You can see other visit reasons for Dr. Marios Gagos on their profile.
What languages does Dr. Marios Gagos speak?
Dr. Marios Gagos speaks English.
How do patients rate Dr. Marios Gagos in reviews?
75 patients have reviewed Dr. Marios Gagos. The overall rating for this doctor is 4.97/5. They have a 4.97/5 rating for bedside manner and a 4.69/5 rating for wait time. You can read individual reviews and ratings on their profile.