List of Diagnostic centers in Illinois
Illinois has approximately 604 Diagnostic centers as of April 13, 2026.
Illinois, contributing around 11.9% of all 5,057 Diagnostic centers in United States, making it one of the largest and most important state-level markets for targeted outreach. Around 81.0% of Diagnostic centers in Illinois have email addresses, 98.5% have phone numbers, and 81.0% include both — with 87.9% also having a website.
Businesses in this dataset are well-represented on social media: 480 have Facebook pages, 458 are on Instagram, 477 have LinkedIn profiles, 446 use X (formerly Twitter), 418 maintain YouTube channels. Over 108 Diagnostic centers have been rated by real users, making this dataset a strong fit for reputation management and review-based outreach. This dataset helps target Diagnostic centers across Illinois efficiently.
| 604 Number of Diagnostic centers | |
| 489 Email addresses | |
| 595 Phone numbers | |
| 531 With Websites | |
| 477 LinkedIn Profiles |
| 480 Facebook Profiles | |
| 458 Instagram Handles | |
| 446 X Handles | |
| 418 YouTube Channels | |
| 489 Phone and Email |
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Data updated on April 13, 2026
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| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
How many Diagnostic centers are there in the Illinois?
Diagnostic centers in the Illinois
Last updated: April 13, 2026
Approximately 81.0% of Diagnostic centers in Illinois have email contacts, while 98.5% have phone numbers, supporting effective regional outreach strategies.
Data last updated April 13, 2026
98.5%
595 Diagnostic centers in Illinois with Phone Number
81.0%
489 Diagnostic centers in Illinois with Email Address
81.0%
489 Diagnostic centers in Illinois with Phone and Email
How to Use the List of Diagnostic centers in Illinois
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across Illinois is solid — 98.5% of diagnostic centers have phone numbers in this dataset. Your team can start calling Illinois-based prospects immediately, without spending time sourcing or validating contacts first.
Statewide Email Campaigns
81.0% of diagnostic centers in Illinois have an email address on record. That's enough coverage to run full-state email sequences — from initial outreach to follow-up — hitting every major market and regional hub in a single campaign.
Multi-Channel Outreach Across Illinois
81.0% of diagnostic centers in Illinois have both phone and email on record. Rather than running separate lists per channel, your team can coordinate calls, emails, and follow-ups against the same contacts from one dataset.
Regional Ad Targeting
87.9% of diagnostic centers in Illinois have a listed website — a strong signal of digital presence. Use those records to build lookalike audiences or upload the full list as a custom audience on Facebook, Google, or LinkedIn for precise, state-level ad targeting.
Pitching Services to Illinois Businesses
22.4% of diagnostic centers in Illinois are rated 4 stars or higher by real customers — a prime segment for reputation management tools, review platforms, and any service that helps businesses maintain or grow their online presence statewide.
For sales teams working the Diagnostic centers vertical, Illinois alone can sustain a full territory quota with room to spare.
List of Diagnostic centers in Illinois with Social Media Accounts
79.5% on Facebook — reflecting strong digital engagement across the state and readiness for regional social campaigns
Explore Related Diagnostic centers by Location
Around 87.9% of Diagnostic centers in Illinois have an active website, reflecting strong digital maturity across the state and readiness for web-based outreach.
Data last updated April 13, 2026
87.9%
531 Diagnostic centers in Illinois that have a website
12.1%
73 Diagnostic centers in Illinois that do not have a website
Download sales qualified leads of Diagnostic centers in the Illinois
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
More than 135 Diagnostic centers across Illinois carry a 4-star or higher rating — reflecting strong service quality standards and solid review engagement statewide.
77
1-star rated Diagnostic centers in Illinois
23
2-star rated Diagnostic centers in Illinois
28
3-star rated Diagnostic centers in Illinois
27
4-star rated Diagnostic centers in Illinois
108
5-star rated Diagnostic centers in Illinois
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Diagnostic centers are there in Illinois?
There are 604 Diagnostic centers in Illinois as of the latest update. This makes Illinois an active market for B2B outreach and lead generation in the Diagnostic centers industry.
How many Diagnostic centers in Illinois have email addresses?
489 Diagnostic centers in Illinois have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Diagnostic centers in Illinois have phone numbers?
595 Diagnostic centers in Illinois include phone numbers. Of those, 489 also have email addresses, making them ideal for multi-channel outreach.
Which cities in Illinois have the most Diagnostic centers businesses?
The concentration of Diagnostic centers varies across cities within Illinois. The dataset includes a full cities-level breakdown so you can identify and prioritize the strongest markets for your campaigns.
Is this dataset suitable for statewide outreach to Diagnostic centers in Illinois?
Absolutely. The dataset covers 604 Diagnostic centers businesses across Illinois, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Diagnostic centers in Illinois?
Each record typically includes business name, address, phone number, email, website, social media handles (Facebook, Instagram, LinkedIn, X, YouTube), and customer ratings where available.
How can I access the complete Diagnostic centers list for Illinois?
You can purchase and instantly download the full dataset from this page. A free sample is also available so you can review the data quality and structure before buying.
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