> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/naics/621111/michigan/ # NAICS 621111 companies in Michigan Companies with NAICS code 621111 (Offices of Physicians (Except Mental Health Specialists)) headquartered in Michigan, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 621111 companies in Michigan by headcount range include Together Women's Health, Michigan Orthopaedic Surgeons and Lifestyle Lift. NAICS 621111 is the code for Offices of Physicians (Except Mental Health Specialists). Among those counted, they are mostly very small: 67% have 50 or fewer employees. ## Which NAICS 621111 companies are in Michigan? The biggest by headcount range include Together Women's Health, Michigan Orthopaedic Surgeons, Lifestyle Lift, Cmu Health and Intercare Community Health Network. NAICS 621111 is the code for Offices of Physicians (Except Mental Health Specialists). Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Together Women's Health | Detroit | 1,001 to 5,000 | | Michigan Orthopaedic Surgeons | Southfield | 201 to 500 | | Lifestyle Lift | Troy | 201 to 500 | | Cmu Health | Saginaw | 201 to 500 | | Intercare Community Health Network | Bangor | 201 to 500 | | Heart & Vascular Institute | Detroit | 201 to 500 | | Clarkston Medical Group | Clarkston | 201 to 500 | | Triarq Health | Royal Oak | 51 to 200 | | Michigan Institute Of Urology | St Clair Shores | 51 to 200 | | Anesthesia Associates Of Ann Arbor, PLLC | Ann Arbor | 51 to 200 | | Miller Vein | Farmington Hills | 51 to 200 | | Michigan Spine And Brain Surgeons, PLLC | Southfield | 51 to 200 | | The Fertility Center | Grand Rapids | 51 to 200 | | Upper Great Lakes Family Health Center | Hancock | 51 to 200 | | Newland Medical Associates | Southfield | 51 to 200 | | Huron Valley Radiology, P.C | Ypsilanti | 51 to 200 | | The Wellness Plan | Detroit | 51 to 200 | | Forest Hills Pediatric Associates | Grand Rapids | 51 to 200 | | Ob Gyn Associates Of Holland P.C | Holland | 51 to 200 | | Grand Traverse Women's Clinic, PLLC | Traverse City | 51 to 200 | | Detroit Health Care For The Homeless | Detroit | 51 to 200 | | Laser Eye Institute | Troy | 11 to 50 | | Envision Eye Care | Saginaw | 11 to 50 | | Retina Consultants Of Michigan | Southfield | 11 to 50 | | Great Lakes Neurosurgical Associates | Grand Rapids | 11 to 50 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## Which cities in Michigan? Within Michigan, Southfield (11%), Detroit (8%) and Grand Rapids (8%) are the most common headquarters. **Figure: Cities of NAICS 621111 companies in Michigan.** Bars for the share of counted NAICS 621111 companies in Michigan headquartered in each city: Southfield 11%, Detroit 8%, Grand Rapids 8%, Novi 6%, Rochester Hills 5%, Saginaw 5%, Troy 5%. *Share of counted NAICS 621111 companies in Michigan by headquarters city.* ## How big are they? 67% of the NAICS 621111 companies counted in Michigan have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of NAICS 621111 companies in Michigan.** Seven columns for the share of counted NAICS 621111 companies in Michigan in each employee range: 11 to 50 67%, 51 to 200 22%, 201 to 500 10%, 501 to 1,000 0%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted NAICS 621111 companies in Michigan in each employee range.* ## How do you reach the people at these Michigan companies? The people to talk to are usually operations, IT and finance leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with NAICS code 621111 in Michigan ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the operations, IT and finance leaders at companies with NAICS code 621111 in Michigan, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore About the code: [NAICS 621111: Offices of Physicians (Except Mental Health Specialists)](https://enrich.chat/naics/621111/). About the place: [companies in Michigan](https://enrich.chat/companies-in/michigan/). NAICS 621111 in other states: [Texas](https://enrich.chat/naics/621111/texas/)[California](https://enrich.chat/naics/621111/california/)[Florida](https://enrich.chat/naics/621111/florida/)[New York](https://enrich.chat/naics/621111/new-york/)[Georgia](https://enrich.chat/naics/621111/georgia/)[Illinois](https://enrich.chat/naics/621111/illinois/)[Tennessee](https://enrich.chat/naics/621111/tennessee/)[New Jersey](https://enrich.chat/naics/621111/new-jersey/)[Ohio](https://enrich.chat/naics/621111/ohio/)[Arizona](https://enrich.chat/naics/621111/arizona/) Other NAICS codes in Michigan: [NAICS 522130: Credit Unions](https://enrich.chat/naics/522130/michigan/)[NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/michigan/)[NAICS 336390: Other Motor Vehicle Parts Manufacturing](https://enrich.chat/naics/336390/michigan/) ## Frequently asked questions ### Which NAICS 621111 companies are in Michigan? The biggest by headcount range include Together Women's Health, Michigan Orthopaedic Surgeons, Lifestyle Lift, Cmu Health and Intercare Community Health Network. The page lists 25 with links to their profiles where we have them. ### What is NAICS 621111? NAICS 621111 is the code for Offices of Physicians (Except Mental Health Specialists), in sector 62: Health Care and Social Assistance. ### Which cities in Michigan have the most? Southfield (11%), Detroit (8%) and Grand Rapids (8%) lead among the companies counted. ## Try this prompt Find the people at NAICS 621111 companies in Michigan ```text Use www.enrich.chat to find the operations, IT and finance leaders at companies with NAICS code 621111 in Michigan, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 621111 in Texas](https://enrich.chat/naics/621111/texas/) - [NAICS 621111 in California](https://enrich.chat/naics/621111/california/) - [NAICS 621111 in Florida](https://enrich.chat/naics/621111/florida/) - [NAICS 621111 in New York](https://enrich.chat/naics/621111/new-york/) - [NAICS 522130 in Michigan](https://enrich.chat/naics/522130/michigan/) - [NAICS 541512 in Michigan](https://enrich.chat/naics/541512/michigan/) - [NAICS 336390 in Michigan](https://enrich.chat/naics/336390/michigan/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)