List of Medical groups in Illinois
Illinois has 3,615 medical groups in this dataset, last verified September 6, 2026. It ranks 6th of 50 states with 4% of the national total, between Pennsylvania (3,643) and Ohio (3,220).
Among cities, Springfield (312) and Chicago (303) are nearly level at the top, with Greenville (258) in third. Together the top three hold 24% of the state total, with the rest spread across smaller cities and towns.
Email reach in Illinois runs well above the national rate: 1,012 medical groups (28%) include an email address, against 16.7% across the United States. 3,442 (95.2%) list a phone number, and 999 carry both.
77.6% of medical groups in Illinois have a website, in line with the national average of 79.2%. Only 810 lack a site, so pitch redesigns and SEO rather than first-time builds.
Among the 2,577 rated medical groups in Illinois, 43% hold a 5-star average, below the national figure of 46%. 424 are rated 1 to 2 stars (16% of rated businesses, well above the national 13%), a natural shortlist for reputation management and review software.
Social Media Reach
1,389
1,242
1,141
896
YouTube
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Medical groups List in Illinois
Browse a random sample of 15 records — see the exact fields and data quality before you download.
| LOGO | Business Name | Address | City | State | Country | Phone | Website | Reviews | Rating | FB | IG | LI | YT | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alton Memorial Medical Office Building A | Address | Alton | Illinois | United States | Email | Phone | 0 | 0 | — | — | — | — | |||
 | OSF Saint Elizabeth Medical Center - Peru | Address | Peru | Illinois | United States | Email | Phone | 55 | 2.4 | — | |||||
 | Advocate Medical Group Orthopedics | Address | Aurora | Illinois | United States | Email | Phone | 4 | 3 | ||||||
 | SIH Pulmonary and Critical Care Medicine Carbondale | Address | Carbondale | Illinois | United States | Email | Phone | 0 | 0 | — | |||||
 | Blessing Health Hamilton Warsaw | Address | Warsaw | Illinois | United States | Email | Phone | 15 | 4.9 | — | — | ||||
 | UChicago Medicine at Ingalls Tinley Park | Address | Tinley Park | Illinois | United States | Email | Phone | 108 | 2.3 | — | |||||
 | Alliance Health LLC | Address | Libertyville | Illinois | United States | Email | Phone | — | 1 | 5 | — | — | — | — | |
 | Advocate Medical Group General Surgery | Address | Oak Lawn | Illinois | United States | Email | Phone | 1 | 5 | ||||||
Ascension Medical Group Illinois Primary Care Chicago | Address | Chicago | Illinois | United States | Email | Phone | — | 0 | 0 | — | — | — | — | ||
 | Springfield Clinic 1st - 900 Building | Address | Springfield | Illinois | United States | Email | Phone | 522 | 4.9 | — | — | — | — | ||
Rock Falls Clinic | Address | Rock Falls | Illinois | United States | Email | Phone | — | 2 | 3.5 | — | — | — | — | ||
 | Duly Health and Care | Address | Hinsdale | Illinois | United States | Email | Phone | 607 | 4.8 | ||||||
 | Endeavor Health Medical Group â Skokie | Address | Skokie | Illinois | United States | Email | Phone | 49 | 3.3 | — | — | — | — | ||
Timothy J Ruetten MD | Address | Sycamore | Illinois | United States | Email | Phone | 56 | 4.9 | — | ||||||
 | Prairie Cardiovascular- The Doctors of Prairie | Address | Carbondale | Illinois | United States | Email | Phone | 13 | 4.4 | — | — | — | — |
This is a randomized preview — the full database contains 3,615 records with complete field coverage.
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3,615 verified records — emails, phones, social profiles and more. One-time payment, instant download.
Distribution by Location
Number of Medical groups across different territories
City | Medical groups |
|---|---|
Springfield | 312 |
Chicago | 303 |
Greenville | 258 |
Peoria | 107 |
Princeton | 103 |
What You Can Do with the List of Medical groups in Illinois
This list is built for teams that sell to medical groups: medical supply distributors, practice software vendors, billing services and healthcare staffing agencies. It covers 3,615 medical groups in Illinois, with the fields to call, email, segment and map them.
Who Sells to Medical groups in Illinois
Each of these buyers can work the 3,615 businesses in this list as a pipeline for a different product:
- Medical and dental supply distributors: Open accounts with the 3,615 medical groups in Illinois for consumables, instruments and equipment.
- Practice management and EHR software: Pitch scheduling, patient records and billing systems to independent practices.
- Medical billing and credentialing services: Offer to take claims, coding and payer enrollment off the front desk.
- Healthcare staffing agencies: Place nurses, medical assistants and front-office staff.
Phone, Contact Form and Facebook Outreach in Illinois
Start with the 999 records that list both a phone number and an email address, then widen out channel by channel:
- Cold calling (3,442): 95.2% of records include a phone number for call campaigns, appointment setting and follow-ups.
- Website contact forms (1,424): businesses with a contact page URL give you another way in when no email is listed.
- Facebook messages (1,389): 38.4% have a Facebook page, a further channel when calls and emails go unanswered.
- CRM import: CSV and Excel files load into HubSpot, Salesforce, Zoho or Pipedrive, with city, state and postal code columns for assigning leads to reps.
Prospect Segments for Agencies in Illinois
Filter the website, rating and social columns to pull the medical groups that fit a specific service before you pitch:
- No website listed (810): 22% of medical groups in Illinois have no website on record, a direct prospect list for web designers and local SEO agencies.
- Rated 1 to 2 stars (424): businesses with poor Google ratings, prospects for reputation management and review generation services.
- No Facebook page (2,226): 62% have no Facebook page on record, an opening for social media management agencies.
Prioritize Cities Across Illinois
The 3,615 medical groups in Illinois are spread across 5 cities we track and many smaller towns, so rank areas before sending reps out:
- Top city markets: Springfield, Chicago, Greenville, Peoria and Princeton hold 30% of records in Illinois, the biggest clusters for in-person visits.
- Beyond the big cities: 2,532 records (70%) sit outside the 5 cities with their own list, reachable by phone and email without travel.
- Postal code patches: records include postal codes, so each rep can get a compact patch with no overlapping accounts.
- Route planning: records include latitude and longitude, so you can map accounts and plan visit days around clusters.
Data Coverage for Medical groups in Illinois
3,615 records · verified September 6, 2026
- Phone numbers
- 3,442
- Email addresses
- 1,012
- Phone and email
- 999
- Websites
- 2,805
Google ratings· 2,577 rated (71%)
43% hold 5 stars
- 1-star rated
- 138
- 5.4% of rated
- 2-star rated
- 286
- 11.1% of rated
- 3-star rated
- 669
- 26% of rated
- 4-star rated
- 388
- 15.1% of rated
- 5-star rated
- 1,096
- 42.5% of rated
Social profiles:
- Facebook:1,389· 38.4%
- Instagram:1,242· 34.4%
- LinkedIn:1,141· 31.6%
- YouTube:896· 24.8%
- X (Twitter):481· 13.3%
Medical groups in Illinois are a phone-first, Facebook-heavy market: 95.2% list a phone number but only 28% publish an email. Among 2,577 rated medical groups, 43% hold 5 stars, a more even spread, so ratings separate businesses meaningfully.
Related Medical groups by Location
Browse datasets for Medical groups across nearby locations
Frequently asked questions about Medical groups in Illinois
Everything you need to know about our medical groups database for Illinois: data quality, coverage, freshness, pricing, and formats. Last updated September 6, 2026.
How many Medical groups are there in Illinois?
There are 3,615 medical groups in Illinois in our verified database, as of September 6, 2026.
This covers independent operators, regional chains, and enterprise-scale businesses, across every city in Illinois, for sales prospecting, competitive research, and territory planning.
How up to date is the Medical groups data for Illinois?
This dataset was last updated in September 6, 2026.
Business contact data decays at roughly 2–3% per month as businesses close, move, or change details, so we re-verify our most-purchased datasets on a rolling basis.
Every file is also run through email verification before delivery, and past buyers are offered discounted refreshed versions as updates ship.
What fields are included in the Medical groups database for Illinois?
Each record can include: business name, full address, phone number, email address, website URL, social profiles (LinkedIn, Facebook, Instagram, YouTube, X), review ratings, and category details, plus contact-page URLs where available.
Field coverage varies by record; the counts below and the free sample show you exactly what to expect before buying.
Where can I buy verified market intelligence data for Medical groups businesses in Illinois?
InfiniteLeadsHub provides verified market intelligence datasets for medical groups businesses in Illinois as a one-time purchase with no subscription.
Ideal for market research, sales planning, and business development.
How much does the Medical groups database for Illinois cost?
The complete medical groups leads database for Illinois costs $36 as a one-time payment.
You get instant access to all 3,615 records with no recurring fees, no per-record charges, and no seat limits.
It is a cost-effective alternative to subscription platforms that charge monthly for the same public business data.
Is this a cheaper alternative to subscription lead databases like ZoomInfo or Apollo?
Yes. For teams that need medical groups contacts in Illinois specifically, a one-time $36 file is usually far cheaper than subscription platforms, which typically charge thousands of dollars per year with contracts and per-seat pricing.
Subscriptions make sense for large sales teams needing continuous multi-industry access; a one-time targeted list makes sense when you know exactly which niche and geography you're selling into.
Can I preview a sample of the Medical groups data before buying?
Yes. A free sample dataset is available so you can evaluate data quality, field coverage, and format before purchasing.
The sample is a representative slice of the full Illinois medical groups database, including contact fields, social profiles, and ratings data.
How do I download the Medical groups list, and what file formats are available?
You get instant access after purchase. Files are delivered in CSV and Excel (XLSX) formats.
CSV and Excel import directly into CRMs like Salesforce, HubSpot, and Zoho and into any email platform.
How many Medical groups in Illinois have phone numbers?
3,442 medical groups in Illinois (95% of the database) include a phone number.
That makes the dataset effective for cold calling, telemarketing, and appointment setting campaigns.
How many Medical groups in Illinois have email addresses?
1,012 medical groups in Illinois (28%) include an email address.
Email remains one of the highest-ROI B2B outreach channels, making this subset ideal for cold email sequences, product announcements, and drip campaigns.
How many Medical groups in Illinois have both a phone number and an email address?
999 medical groups in Illinois have both a phone number and an email address.
Dual-contact records enable multi-channel outreach: combining calls with email follow-ups measurably improves response rates.
How many Medical groups in Illinois are active on social media?
Social profile coverage for medical groups in Illinois: 1,141 on LinkedIn, 1,389 on Facebook, 1,242 on Instagram, 896 on YouTube, 481 on X (Twitter).
Social presence signals digitally engaged businesses, which is useful for agencies pitching social media services, ad platforms building audiences, and vendors targeting digitally mature prospects.
How many Medical groups in Illinois have a website?
2,805 medical groups in Illinois (78%) have an active business website.
That is an indicator of digital maturity, and an ideal segment for SEO agencies, hosting providers, and SaaS platforms.
How many Medical groups in Illinois do not have a website?
810 medical groups in Illinois operate without a business website.
These are high-intent, overlooked prospects for web design agencies, local SEO providers, and Google Business optimization services.
What are the review ratings of Medical groups in Illinois?
Rating breakdown for medical groups in Illinois: 1,096 with a 5-star rating, 388 with a 4-star rating, 669 with a 3-star rating, 286 with a 2-star rating, 138 with a 1-star rating.
Top-rated businesses suit premium services and partnership proposals; lower-rated businesses are receptive prospects for reputation management, review tools, and operational software.
Can I get Medical groups data for other states or the entire US?
Yes. The national Medical groups database covers all 50 US states, and individual state and major-city lists are also available.
If you buy Illinois first, contact us and we'll credit your purchase toward the national upgrade.
Most multi-state buyers save money going national.
Is the Medical groups contact data in Illinois legal to use for B2B outreach?
Yes. All data is sourced exclusively from publicly available information: Google Business listings, company websites, social media profiles, and public business directories.
This is business contact information, not personal consumer data, making it appropriate for B2B prospecting.
We recommend following applicable regulations such as CAN-SPAM (US), CASL (Canada), and GDPR (EU-targeted campaigns) so your outreach remains fully compliant.