William Stephan, MD – Midwest Cardiovascular Institute of Naperville

Cardiologist in Naperville, IL Naperville, IL
51 / 100

BizScore

How we score
26
AI Visibility
—
AI Ready
—
AI Agent ReadinessNot audited yet
77
SEO Performance
—
Freshness
100
Google Rating
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Contact Information

Location

About William Stephan, MD – Midwest Cardiovascular Institute of Naperville

William Stephan, MD - Midwest Cardiovascular Institute is a cardiologist in Naperville, IL, located at 10 W Martin Ave Suite 200. The practice provides cardiovascular medicine through a team of more than 20 experienced cardiologists who specialize in various areas, including heart disease, structural heart disease, peripheral artery disease, venous disease, advanced heart failure, arrhythmias, and lipid management. The clinics offer same or next day appointments and do not require referrals.

The institute provides a range of diagnostic services and heart health screenings, including electrocardiograms, treadmill stress tests, cardiopulmonary exercise tests, and blood work. Advanced imaging and ultrasound services are also available, such as computed tomography (CT) imaging, cardiac positron emission tomography (PET) scans to measure coronary artery blood flow, echocardiograms, and carotid ultrasounds. Patients can manage their care through a 24/7 patient portal to view records, message providers, and request medication refills.

The practice maintains four locations in suburban Chicago, serving Naperville, Elmhurst, Plainfield, Yorkville, and Hinsdale. The physicians at the institute have practiced in the area for more than 30 years.

The practice holds a 5.00 rating based on 0 reviews. This cardiology provider offers specialized cardiovascular expertise and accessible appointment scheduling for patients in Naperville.

The practice is located on W Martin Ave, just a short distance from South Washington Street and Healing Gardens. It is also near William Freidrich Memorial Park and Edward Hospital.

BizScoreAI gives the website a technical score of 93 out of 100, ensuring the site is secure and easily readable by search engines. The discoverability score is 75 out of 100, which allows AI crawlers to access every page so the business can be recommended by AI assistants.

Score Summary

BizScoreAI scanned the website midwestcardio.com on August 16, 2026. William Stephan, MD - Midwest Cardiovascular Institute of Naperville has a BizScore of 51 out of 100.

  • AI Visibility26 out of 100
  • SEO77 out of 100
  • Google rating5.0 out of 5

AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 0 of 25 points, Content Readiness 12 of 30 points, AI Trust Signals 10 of 20 points.

Website audit sub-scores (out of 100): On-Page 85, Technical 93, Performance 66, Content 65.

Strengths: 4 checks passed. AI Crawler Access, AI Content Blocking, Meta Description, XML Sitemap.

Areas to improve: 13 checks. llms.txt (failed), FAQPage Schema (failed), Google Business Profile Link (failed), LocalBusiness Schema (failed), Third-Party Review Links (failed), Q&A Content (failed), Organization Schema (warning), Speakable Schema (warning), Hyperlocal Targeting (warning), Local Multimedia (warning), AI-Parseable Headings (warning), About/Team Page (warning), Author Signals (warning).

AI engine reads

Read by AI engines 4 times in the last 30 days.

Counted from AI crawler and assistant visits to this page, identified by user agent.

See the full AI visibility report for this business

Contact William Stephan, MD – Midwest Cardiovascular Institute of Naperville

AI Visibility Score

How visible is this business to AI-powered search engines

26 /100
AI Discovery
40/100
Structured Data
0/100
Content Readiness
40/100
AI Trust Signals
50/100

Ways to improve this score

llms.txt Missing
FAQPage Schema Missing
Google Business Profile Link
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SEO Score

Technical SEO health and search engine optimization

77 /100
On-Page
85/100
Technical
93/100
Performance
66/100
Content
65/100

Ways to improve this score

Improve Content
Improve Performance

Local SEO Coverage

Directory presence and NAP consistency

— /100
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