Senior Attending Board-Certified Cardiologist

Stephen W. Kopf, MD, FACC, RVT, PC

Dr. Stephen Kopf is a Senior Attending, Board-Certified Cardiologist affiliated with Phelps Hospital/Northwell Health, and he operates a private practice in Ossining, New York. With over 25 years of experience, Dr. Kopf has provided expert care for patients with coronary artery disease, heart failure, valvular heart conditions, arrhythmias, hypertension, and lipid disorders. His comprehensive approach includes risk assessment and preventive strategies to help reduce the likelihood of heart attacks. In addition to his cardiology credentials, Dr. Kopf is a Registered Vascular Technologist. This specialized training enables him to perform non-invasive evaluations of arterial and venous health using advanced ultrasound imaging and vascular physics principles. He offers second opinions, preoperative consultations, and inpatient care upon request at Phelps Hospital or by appointment at his Ossining office. Known for his clinical expertise and compassionate care, Dr. Kopf consistently receives high praise and strong recommendations from his patients.

Westchester County

Jeff Edwards

New York City Metropolitan Area

Ossining-Croton-On-Hudson

New York

Dr. Stephen Kopf is a Senior Attending, Board-Certified Cardiologist affiliated with Phelps Hospital/Northwell Health, and he operates a private...

Sustainable Westchester 

Sustainable Westchester is a nonprofit organization helping residents, municipalities, and businesses across Westchester County transition to cleaner, more affordable energy. The organization works to make sustainability practical and accessible by connecting communities with trusted programs, expert guidance, and real-world solutions that improve quality of life while reducing environmental impact. Sustainable Westchester partners closely with local governments and community organizations to support climate action and expand opportunities for residents to participate in the region’s growing clean energy economy. Programs and initiatives include: ● Solar and renewable energy opportunities ● Guidance to improve comfort and efficiency in your home or business ● Energy Savings Programs ● Preparing residents for careers in clean energy Through these efforts, Sustainable Westchester helps strengthen local resilience, support economic mobility, and ensure that the benefits of the clean energy transition reach households and businesses across the county. Residents interested in learning more about available programs or career opportunities are encouraged to visit the organization’s website or get in touch.

Westchester

Dobbs Ferry

Sustainable Westchester is a nonprofit organization helping residents, municipalities, and businesses across Westchester County transition to...

Music entertainment piano & singer Dave Diedrich

Dave Diedrich 

Dave Diedrich is a Piano Player, Singer and Entertainer who performs a dynamic piano &amp; vocal show covering decades of hits, while collaborating with your guest who love to sing along! Make a request and grab the mic! He'll back you up! Dave is also happy to perform for dinner parties and cocktail hours where he can become a part of the ambiance. Whatever the room, there is a song for it!

Dave Diedrich is a Piano Player, Singer and Entertainer who performs a dynamic piano & vocal show covering decades of hits, while collaborating...

UPDATE: <a href="https://patch.com/new-york/ossining/police-chase-crash-closes-route-9-injures-2" title="Police Chase, Crash Closes Route 9, Injures 2">Police Chase, Crash Closes Route 9, Injures 2</a><hr />State transportation officials said at 2 p.m. that Route 9 has been closed in both directions between Rockledge Avenue and Route 117 due to a serious injury accident.  Ossining police sent out a Nixle alert warning of heavy traffic delays.

UPDATE: <a href="https://patch.com/new-york/ossining/police-chase-crash-closes-route-9-injures-2" title="Police Chase, Crash Closes Route 9, Injures 2">Police Chase, Crash Closes Route 9, Injures 2</a>

<hr />State transportation officials said at 2 p.m. that Route 9 has been closed in both directions between Rockledge Avenue and Route 117 due to a serious injury accident.  Ossining police sent out a Nixle alert warning of heavy traffic delays.

It's causing heavy traffic delays, Ossining police said.

UPDATE: Serious Crash Closes Route 9 in Scarborough

Crime & Safety

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Bedford-Katonah


New York’s first Shared Parenting Conference in Peekskill on April 19, 2026, is a high-impact, solutions-focused gathering...

Shared Parenting Conference

Seasons of Prayer, the theme for Maryknoll Fathers and Brothers' sixth annual Women's Day of Prayer, will explore how our faith...

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Come to Mike Risko Music in Ossining and have some fun with Blind Tiger Improv! Everything is made up and it's all based off of...

Improv Spectacular!

Experience the groundbreaking one-person musical that dares you to be you. This special performance benefits NAMI Westchester...

Jackson Crash

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Every week, Patch will spotlight volunteer opportunities in the Hudson Valley courtesy of Volunteer New York!.

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Community Corner

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Mid Hudson Valley

NYSP Investigator Arrested After Domestic...

The 28-year-old is assigned to the Bureau of Criminal Investigation in New York City, according to state police.

NYSP Investigator Arrested After Domestic Violence Call In Dutchess County: NYSP

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Police Foil Home Break-In, Nab Suspect, Thanks...

The stymied burglary happened during the early morning hours, according to Croton-on-Hudson police.

Nearby Communities

State Edition

National Edition

Crime & Safety

UPDATE: Serious Crash Closes Route 9 in Scarborough

It's causing heavy traffic delays, Ossining police said.

Lanning Taliaferro, Patch Staff

Find out what's happening in Ossining-Croton-On-Hudsonfor free with the latest updates from Patch.

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Sustainable Westchester

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Nearby Communities

State Edition

National Edition

UPDATE: Serious Crash Closes Route 9 in Scarborough

It's causing heavy traffic delays, Ossining police said.

Lanning Taliaferro, Patch Staff<img alt="Verified Patch Staff Badge" class="styles_Badge__np_hU" src="https://patch.com/img/cdn/assets/layout/badges/verified-patch-staff.svg"/>

Find out what's happening in Ossining-Croton-On-Hudsonfor free with the latest updates from Patch.

Lanning Taliaferro, Patch Staff