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Products & Services
About Dr John
Dr John is a company reporting $0M-$1M in annual revenue, classified under Offices of Physicians (except Mental Health Specialists), based in Grayslake, Illinois, United States, operating in Healthcare provider and employing 1-5 people.
Its primary NAICS classification is 621111 (Offices of Physicians (except Mental Health Specialists)). Dr John is one of 175,537 Healthcare & Life Science companies listed in Illinois.
Business Contact Information
- Phone
- +1 (847) 2237334
- Address
- 474 Patricia Ct, Grayslake, Illinois, 60030, United States
Industry & Classification
- Industry
- Healthcare & Life Science
- Sector
- Healthcare provider
NAICS Codes
- 62Health Care and Social Assistance
- 6211Offices of Physicians
- 621111Offices of Physicians (except Mental Health Specialists)
SIC Codes
- 80Health Services
- 801Offices And Clinics Of Doctors Of Medicine
- 8011Offices of Physicians, Mental Health Specialists
Company Details
- Employees
- 4 (1-5)
- Annual Revenue
- $234,000 ($0M-$1M)
Dr John: frequently asked questions
What does Dr John do?
Dr John is a company reporting $0M-$1M in annual revenue, classified under Offices of Physicians (except Mental Health Specialists), based in Grayslake, Illinois, United States, operating in Healthcare provider and employing 1-5 people.
Where is Dr John located?
Dr John is headquartered at 474 Patricia Ct, Grayslake, Illinois, 60030, United States.
How many employees does Dr John have?
Dr John has about 4 employees (the 1-5 range).
What is Dr John's annual revenue?
Dr John's annual revenue is estimated at $234,000 (the $0M-$1M range).
What industry is Dr John in?
Dr John is in the Healthcare & Life Science / Healthcare provider industry, and its primary NAICS code is 621111 (Offices of Physicians (except Mental Health Specialists)).
How can I contact Dr John?
Its phone number is +1 (847) 2237334.
What companies are similar to Dr John?
Other large healthcare & Life Science companies in Illinois include CommonSpirit Health, McDonald's Corp, Advocate Aurora Health and Northwestern Medicine.
Largest healthcare & life science companies in Illinois
Largest companies in Illinois
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Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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