John J. Brennan, MD
Health & Medical · Orthopedic Surgery

John J. Brennan, MD

715 Roanoke Ave, Building A, Ste. 3, Riverhead, New York, 11901

Google Maps Updated: 13 May 2026
Authenticity Score: 92/100
About

Dr. John J. Brennan is widely regarded as a highly skilled and personable orthopedic surgeon. Patients consistently praise his ability to explain complex conditions clearly and his excellent bedside manner. While the vast majority of feedback is glowing, a few patients have noted occasional frustration with front-desk scheduling and wait times.

Review Summary
20
Most Relevant
16
Newest
20
Highest
17
Lowest
Total Reviews Analyzed: 73
Performance Scores
Medical Expertise 95/100
Admin Efficiency 75/100
Pro Tip

If you want to ensure you see Dr. Brennan specifically, confirm this with the scheduler when booking.

High surgical success
Patient-focused care
Pros & Cons

✓ What Works Well

  • Exceptional surgical skill
  • Clear and simple explanations
  • Friendly and professional staff

✗ Areas to Improve

  • Occasional long wait times
  • Front desk scheduling issues
  • Sometimes seen by PA instead of MD
Frequently Asked Questions
  • Will I see Dr. Brennan or his PA?
  • How long is the typical wait for an appointment?
User Feedback

Dr. Brennan is the best of the best.

He really listens to his patients.

The office is clean and modern.

Location Details
Street: 715 Roanoke Ave, Building A, Ste. 3
City: Riverhead
State: New York
Postcode: 11901
Country: United States
Location
715 Roanoke Ave Building A, Ste. 3, Riverhead, NY 11901
Quick Info
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