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Products & Services
About Collen, John, JD
This profile covers Collen, John, JD, a company based in Chicago, Illinois, United States, operating in Healthcare provider, employing 6-10 people, reporting $0M-$1M in annual revenue and classified under Offices of Other Health Practitioners.
Its primary NAICS classification is 621399 (Offices of All Other Miscellaneous Health Practitioners). Collen, John, JD is one of 175,537 Healthcare & Life Science companies listed in Illinois.
Business Contact Information
- Phone
- +1 (312) 4996783
- Address
- 227 W Monroe St, Chicago, Illinois, 60606, United States
Industry & Classification
- Industry
- Healthcare & Life Science
- Sector
- Healthcare provider
NAICS Codes
- 62Health Care and Social Assistance
- 6213Offices of Other Health Practitioners
- 621399Offices of All Other Miscellaneous Health Practitioners
SIC Codes
- 80Health Services
- 804Offices And Clinics Of Other Health Practitioners
- 8049Offices of Physical, Occupational and Speech Therapists, and Audiologists
Company Details
- Employees
- 8 (6-10)
- Annual Revenue
- $365,000 ($0M-$1M)
Collen, John, JD: frequently asked questions
What does Collen, John, JD do?
This profile covers Collen, John, JD, a company based in Chicago, Illinois, United States, operating in Healthcare provider, employing 6-10 people, reporting $0M-$1M in annual revenue and classified under Offices of Other Health Practitioners.
Where is Collen, John, JD located?
Collen, John, JD is headquartered at 227 W Monroe St, Chicago, Illinois, 60606, United States.
How many employees does Collen, John, JD have?
Collen, John, JD has about 8 employees (the 6-10 range).
What is Collen, John, JD's annual revenue?
Collen, John, JD's annual revenue is estimated at $365,000 (the $0M-$1M range).
What industry is Collen, John, JD in?
Collen, John, JD is in the Healthcare & Life Science / Healthcare provider industry, and its primary NAICS code is 621399 (Offices of All Other Miscellaneous Health Practitioners).
How can I contact Collen, John, JD?
Its phone number is +1 (312) 4996783.
What companies are similar to Collen, John, JD?
Other large healthcare & Life Science companies in Illinois include CommonSpirit Health, McDonald's Corp, Advocate Aurora Health and Northwestern Medicine.
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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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