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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. For location-specific details about a Westport cardiac specialty office, you may want to verify the exact address and services at the Westport site on the NEMG website.

Clinic Type

Cardiology

Address

327 Riverside Avenue, Westport, CT 06880

Phone

203-292-2000

Email

Opening Hours

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

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

Languages Spoken

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].

Information sourced from the clinic's website as of July 11, 2026.

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