Northeast Medical Group Cardiac Specialists

Cardiology • Westport, CT • Since 2010

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About

Northeast Medical Group Cardiac Specialists – Westport is part of the nonprofit Northeast Medical Group (NEMG), affiliated with Yale New Haven Health System. NEMG offers cardiovascular services among its wide range of family medicine, internal medicine, pediatrics, and other specialties. As an affiliate of Yale New Haven Health, patients gain access to the resources of a large health system and associated hospitals. NEMG operates four offices in Connecticut, with the main headquarters in Bridgeport, and provides a spectrum of care including cardiology.

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Clinic Type

Cardiology

Address

327 Riverside Avenue, Westport, CT 06880

Phone

203-292-2000

Email

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Opening Hours

8:00 am – 5:00 pm (every other Wednesday)

Website

https://www.northeastmedicalgroup.org/locations/westport-327-riverside-avenue-cardiac

Services Offered

Cardiology
Electrophysiology
Interventional Cardiology
Nuclear Cardiology
Echocardiography
Valvular Disease
Pacemaker & Defibrillators
Lipid Disorders & Cholesterol Management
Hypertension
Heart Failure
Arrhythmias
Women’s Health
Vascular Disease

Technology & Equipment

Electrophysiology equipment
Echocardiography
Nuclear Cardiology
Pacemaker & Defibrillator technology
Interventional cardiology procedures

Team

Mitchell H. Driesman, MD — Physician
Ashton C. Lai, MD, PhD — Physician
Robert M. Moskowitz, MD — Physician
David Narotsky, MD — Physician
Ari T. Pollack, MD — Physician
Adam Russak, MD — Physician
Adam Schussheim, MSc, MD — Physician
Matthew E. Seigerman, MD — Physician
Robert D. Winslow, MD — Physician

Insurance & Payment

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Languages Spoken

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FAQs

What services are offered at Northeast Medical Group Cardiac Specialists – Westport?

A range of cardiology services including arrhythmia and electrophysiology, valvular disease, interventional cardiology, nuclear cardiology, heart failure management, echocardiography, lipid disorders management, hypertension control, and more.

What are the office hours?

Mon-Sun 8 am – 5 pm; Practice is open every other Wednesday 8 am – 5 pm.

Photos

What Patients Say

Overall sentiment across review platforms: positive

Birdeye: 5.0 out of 5 (112)
rater8: 4.88 out of 5 (23,000 (total across locations))

Patients praise

expert and knowledgeable physicians
compassionate and caring bedside manner
thorough examinations
well-run and responsive office operations

Common complaints

reports of disorganized office operations
complaints about disrespectful or dismissive staff/physicians
difficulties with appointment scheduling and communications

"Dr. Lai is amazing!! His credentials are impeccable, his examination was thorough, his 'bedside manner' cordial and sensitive, and his concern for his patient's well-being was exceptional."

— Patient review on drracheleidelman.com

"Disorganized and disrespectful. The kind of place to confirm a surgery on Friday, and then when you show up on Tuesday they tell you it’s canceled."

— Patient review on localitybiz.com

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

In the News

Mina Owlia, M.D. - Cardiac Specialists — Feb 23, 2026
News 12 | New York | Hartford Healthcare opens new cardiac health center in Norwalk — Nov 8, 2025

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.