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Merrimack Valley Cardiology

CardiologyLowell, MA

★★★★☆3.7/537 reviews across 2 platforms

Ratings by platform

  • Birdeye: 3.7 out of 5 stars (36 reviews)
  • Healthgrades: 5.0 out of 5 stars (1 review (for Dr. Nathan Riddell))

What patients say

Patients praise

  • Competent and life-saving care
  • Professional and polite staff
  • Clear communication from providers
  • Clean and organized facilities
  • Efficient appointment scheduling

Common complaints

  • Specific negative complaints are not prominent in available public summaries, though overall ratings suggest some room for improvement across platforms.

In patients' words

"Dr. Ali put a stent in my coronary artery... He saved my life! I see Dr. Cullingford on a 6 month basis for routine checkups. He is amazing! I would recommend Merrimack Valley Cardiology Associates, and anyone on their staff, in a heartbeat....no pun intended."

Birdeye Patient Review

"Extremely clean. Easy access and Covid safe. The staff is polite, professional, and very helpful. The schedule was right on."

Yelp Patient Review

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7].

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