> 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/tennessee/ # NAICS 621111 companies in Tennessee Companies with NAICS code 621111 (Offices of Physicians (Except Mental Health Specialists)) headquartered in Tennessee, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 621111 companies in Tennessee by headcount range include Ballad Health, Surgery Partners and Envision Physician Services. NAICS 621111 is the code for Offices of Physicians (Except Mental Health Specialists). Among those counted, they are mostly very small: 51% have 50 or fewer employees. ## Which NAICS 621111 companies are in Tennessee? The biggest by headcount range include Ballad Health, Surgery Partners, Envision Physician Services, Wellpath.us and Oneoncology. 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 | | --- | --- | --- | | [Ballad Health](https://enrich.chat/company/ballad-health/) | Johnson City | 10,001+ | | Surgery Partners | Brentwood | 10,001+ | | Envision Physician Services | Nashville | 10,001+ | | [Wellpath.us](https://enrich.chat/company/wellpath-us/) | Franklin | 5,001 to 10,000 | | Oneoncology | Nashville | 1,001 to 5,000 | | Regional One Health | Memphis | 1,001 to 5,000 | | Pathgroup | Brentwood | 1,001 to 5,000 | | Tennessee Oncology | Nashville | 1,001 to 5,000 | | Summit Medical Group | Knoxville | 1,001 to 5,000 | | Aspire Health | Nashville | 501 to 1,000 | | Phynet Dermatology | Nashville | 501 to 1,000 | | Holston Medical Group | Kingsport | 501 to 1,000 | | Allergy, Asthma & Sinus Center | Knoxville | 501 to 1,000 | | Galen Medical Group | Hixson | 501 to 1,000 | | Heritage Medical Associates | Nashville | 501 to 1,000 | | Hughston Clinic Orthopaedics | Nashville | 501 to 1,000 | | Premier Radiology | Nashville | 501 to 1,000 | | Cumberland Heights | Nashville | 201 to 500 | | Elite Sports Medicine Orthopedics | Nashville | 201 to 500 | | Bone And Joint Institute Of Tennessee | Franklin | 201 to 500 | | Alana Healthcare | Franklin | 201 to 500 | | Premier Surgical Associates | Knoxville | 201 to 500 | | University Surgical Associates | Chattanooga | 201 to 500 | | Statcare | Knoxville | 201 to 500 | | Watauga Orthopaedics | Johnson City | 51 to 200 | 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 Tennessee? Within Tennessee, Nashville (23%), Knoxville (11%) and Memphis (11%) are the most common headquarters. **Figure: Cities of NAICS 621111 companies in Tennessee.** Bars for the share of counted NAICS 621111 companies in Tennessee headquartered in each city: Nashville 23%, Knoxville 11%, Memphis 11%, Brentwood 7%, Franklin 6%, Chattanooga 5%, Germantown 5%, Johnson City 4%. *Share of counted NAICS 621111 companies in Tennessee by headquarters city.* ## How big are they? 51% of the NAICS 621111 companies counted in Tennessee 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 Tennessee.** Seven columns for the share of counted NAICS 621111 companies in Tennessee in each employee range: 11 to 50 51%, 51 to 200 20%, 201 to 500 9%, 501 to 1,000 10%, 1,001 to 5,000 6%, 5,001 to 10,000 1%, 10,001+ 4%. *Share of counted NAICS 621111 companies in Tennessee in each employee range.* ## How Tennessee compares with the rest of the country - 51% of NAICS 621111 companies in Tennessee have 50 or fewer employees, against 64% across NAICS 621111 companies nationwide. ## How do you reach the people at these Tennessee 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 Tennessee ``` ### 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 Tennessee, 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 Tennessee](https://enrich.chat/companies-in/tennessee/). 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/)[New Jersey](https://enrich.chat/naics/621111/new-jersey/)[Ohio](https://enrich.chat/naics/621111/ohio/)[Arizona](https://enrich.chat/naics/621111/arizona/)[Massachusetts](https://enrich.chat/naics/621111/massachusetts/) Other NAICS codes in Tennessee: [NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/tennessee/)[NAICS 238220: Plumbing, Heating, and Air-Conditioning](https://enrich.chat/naics/238220/tennessee/)[NAICS 531210: Offices of Real Estate Agents](https://enrich.chat/naics/531210/tennessee/)[NAICS 524210: Insurance Agencies and Brokerages](https://enrich.chat/naics/524210/tennessee/) ## Frequently asked questions ### Which NAICS 621111 companies are in Tennessee? The biggest by headcount range include Ballad Health, Surgery Partners, Envision Physician Services, Wellpath.us and Oneoncology. 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 Tennessee have the most? Nashville (23%), Knoxville (11%) and Memphis (11%) lead among the companies counted. ## Try this prompt Find the people at NAICS 621111 companies in Tennessee ```text Use www.enrich.chat to find the operations, IT and finance leaders at companies with NAICS code 621111 in Tennessee, 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 722511 in Tennessee](https://enrich.chat/naics/722511/tennessee/) - [NAICS 238220 in Tennessee](https://enrich.chat/naics/238220/tennessee/) - [NAICS 531210 in Tennessee](https://enrich.chat/naics/531210/tennessee/) - [NAICS 524210 in Tennessee](https://enrich.chat/naics/524210/tennessee/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)