Mark K Isoniemi, MD
Health & Medical · Primary Care

Mark K Isoniemi, MD

150 E Willow Ave, Wheaton, Illinois, 60187

Google Maps Updated: 13 May 2026
Authenticity Score: 86/100
About

Dr. Isoniemi is widely considered a rare, caring, and highly knowledgeable physician. Patients appreciate his willingness to listen and his collaborative approach to treatment. While there are some frustrations with the broader appointment system, the doctor himself is consistently rated as excellent.

Our Review Process
20
Most Relevant
14
Newest
20
Highest
19
Lowest

We analyze 73 Google Maps public reviews (Most relevant, Newest, Highest rating, Lowest rating) from every angle to find the real story so you know exactly what to expect. We use Artificial Intelligence to analyze these reviews and filter out spam to highlight only authentic feedback.

Performance Scores
Medical Expertise 95/100
Admin Efficiency 60/100
Pro Tip

Use the patient portal for non-urgent communication, but be prepared for potential delays.

Primary Care
Internal Medicine
Pros & Cons

✓ What Works Well

  • Compassionate and knowledgeable
  • Collaborative care
  • Great listener

✗ Areas to Improve

  • Frustrating appointment system
  • Occasional long hold times
Frequently Asked Questions
  • Is he accepting new patients?
  • How is the appointment system?
User Feedback

A rare, caring doctor.

I trust him with my family.

The appointment system needs work.

Location Details
Street: 150 E Willow Ave
Neighborhood: Wheaton
City: Wheaton
State: Illinois
Postcode: 60187
Country: United States
Location
150 E Willow Ave, Wheaton, IL 60187
Quick Info
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