MKR Medical is relocating effective August 31, 2026. Our new office is at 447 Fenimore Street, Brooklyn, NY 11225. We begin seeing patients at the new location on August 31 at 1:00 PM.

Certification badge from the American Board of Internal Medicine
metor-plus-icon
MetroPlus Insurance
is Accepted here.
Dental Implants

Download Forms
Surgery

Register Online
Advancedperiodontics

Book An Appointment
PROPHYLAXIS

Contact Us

About Rybstein Medical – Best Cardiologist in Brooklyn

Experts in the field of cardiology, preventive cardiology care, management of cardiovascular diseases, as well as the diagnosis and treatment of diseases of the vascular system. At MKR, we provide evidence-based care grounded in the latest medical research and clinical guidelines.

Dr. Rybstein further distinguished himself in a program of over 50 residents by being awarded the prestigious resident of the year award during his second year of residency.

Read More
Certification badge from the American Board of Internal Medicine
calendar
Quick
Appointments
insurance-icon
Insurance
Accepted
metor-plus-icon
MetroPlus Insurance
is Accepted here.

Our Services

service-1

Cardiology

Brooklyn's Heart Doctors specializes in every aspect of cardiac disease

Read More
service-2

Primary Care

Rybstein Medical specializes in internal medicine and is a primary-care physician specially

Read More
service-3

Internal Medicine

Schedule Regular treatments with Dr. Rybstein. The best solution for any disease is catching it early.

Read More
podiatry-home

Podiatry

The human foot is an intricate structure formed of numerous bones, tendons, and ligaments...

Read More
Book An Appointment

Looking For Dependable Podiatry Services in Brooklyn, NY?

The human foot is an intricate structure formed of numerous bones, tendons, and ligaments. This complex network of components is what keeps you in motion. Therefore, maintaining healthy feet involves meticulous care and cleanliness. If you have any concerns about your feet, board-certified podiatry doctors will provide you with the best podiatry services.

Whether it’s something new or something that’s been bothering you for a while, like diabetic foot disease, consulting a podiatrist can help you with any foot or lower limb problem. Our board-certified podiatrist’s team is specialized in treating plantar fasciitis, heel discomfort, blisters...

Read More

Cardiologist in Brooklyn, NY

Dr. Rybstein is the clear choice when you are in search of the best cardiologist Brooklyn has to offer. Our state-of-the-art facility offers major cardiac testing, and preventative cardiac treatments, as well as internal medicine specialists. In addition to cardiac and preventative cardiac treatments, our office provides risk modification programs, internal medicine doctors, primary care physicians and the best cardiologist that Brooklyn has to offer.

For cardiac testing such as EKG’s, Stress Tests, or if you just need a heart health checkup, the friendly staff at Rybstein Medical welcomes your call and looks forward to serving you. Our main office is located off of Utica Avenue in Brooklyn, NY and boasts the best medical team and cardiologist that Brooklyn has to offer. Our equipment is cutting edge and we offer the most accurate cardiac test results and fast appointments.

Book An Appointment (718) 303-0851
Dr. Marc Rybstein - Best Cardiologist In Brooklyn

Dr. Marc Rybstein

Dr. Rybstein was born and raised on Brooklyn. He attended New York University for college during which he was in the honors program and graduated cum laude with a Bachelors of Science in Chemistry.

During college he served as a teaching assistant for several courses including chemistry and organic chemistry.

Find Out More
Certificate Of recognition MKR Medical PC- NCQA

Get Tested for COVID-19

MKR MEDICAL 828 Utica Av

Call us ! at   718-303-0851

Rapid test $25.00

  • Accepting walk-in patients
  • No Insurance required-
  • Group Discount Available* call 718-303-0851
MKR-CoCM-Poster-.png

What Patient Say About Us

Louise Roberts

This was my first appointment. The staff was courteous and friendly and made me feel quite comfortable.
Dr. Rybstein took the time to answer my questions. As of now I’m pleased.

Derek K.

Dr. Rybstein was extremely professional, and I will definitely recommend him to my friends, family, and colleagues.

Jad S.

Great visit. Friendly staff and Dr. Rybstein was very responsive and thorough. Would absolutely recommend him to others.

JT

Dr. Rybstein was very thorough with his exam. He explained things very clearly & spent a lot of time with me.

Read All
img-gallery-1
img-gallery-2
img-gallery-3
img-gallery-4
img-gallery-5
img-gallery-6
img-gallery-7
img-gallery-8

Insurances

1199SEIU Logo
Aetna Logo
Health First Logo
Blue Cross Shield Logo
Fidelis Care Logo
Cigna Logo
Magna Care logo
Medicaid Logo
Multiplan Logo
NHS Oxford Health logo
metroplus-logo
United Health Care Logo
Medicare Logo
Tricare Logo
United Health Care Community Plan Logo
MKR Medical PC