{"id":3635,"date":"2025-06-12T08:01:13","date_gmt":"2025-06-12T08:01:13","guid":{"rendered":"https:\/\/www.ampliz.com\/resources\/largest-rheumatology-physician-groups-in-the-us\/"},"modified":"2026-03-30T08:18:20","modified_gmt":"2026-03-30T08:18:20","slug":"largest-rheumatology-physician-groups-in-the-us","status":"publish","type":"post","link":"https:\/\/www.ampliz.com\/resources\/largest-rheumatology-physician-groups-in-the-us\/","title":{"rendered":"Top 20 Largest Rheumatology Physician Groups in the US"},"content":{"rendered":"<p class=\"last-updated\">Last updated on March 30th, 2026<\/p>\n<p>As the prevalence of chronic rheumatic diseases such as rheumatoid arthritis, lupus, gout, and osteoporosis\u2014rises across the United States, healthcare vendors and service providers are increasingly targeting rheumatology physician group practices. These practices, where multiple rheumatologists collaborate across clinics or regions, hold significant influence in procurement and adoption of medical devices, software and specialized therapies.<\/p>\n\n\n\n<p>Why focus on large groups? For one, physician group size correlates directly with patient volumes and revenue. A single large group may represent tens of thousands of patients, creating bulk opportunities for vendors. Secondly, centralized decision-making in such groups enables more cohesive purchasing, adoption, and implementation of new healthcare solutions. Understanding who these top players are and how they operate is essential for any healthcare supplier aiming to scale within the rheumatology market.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Top 20 Largest Rheumatology Physician Groups in the US<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th>Rank<\/th><th>Group Practice Name<\/th><th>Headquarter State<\/th><th># of Rheumatologists<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Articularis Healthcare<\/td><td>SC, GA, FL\u2026<\/td><td>49<\/td><\/tr><tr><td>2<\/td><td>Arthritis and Rheumatism Associates PC<\/td><td>MD (D.C. metro)<\/td><td>30<\/td><\/tr><tr><td>3<\/td><td>Rheumatology Associates<\/td><td>TX (Dallas\u2013Fort Worth)<\/td><td>27<\/td><\/tr><tr><td>4<\/td><td>Arizona Arthritis &#038; Rheumatology Associates<\/td><td>AZ<\/td><td>22<\/td><\/tr><tr><td>5<\/td><td>Valley Oaks Medical Group<\/td><td>NV<\/td><td>22<\/td><\/tr><tr><td>6<\/td><td>Annapolis Rheumatology LLC<\/td><td>MD<\/td><td>18<\/td><\/tr><tr><td>7<\/td><td>Southwest Spine &#038; Pain Center<\/td><td>UT<\/td><td>18<\/td><\/tr><tr><td>8<\/td><td>Arthritis Rheumatic &#038; Back Disease Associates<\/td><td>NJ<\/td><td>17<\/td><\/tr><tr><td>9<\/td><td>Kansas City Physician Partners INC<\/td><td>MO<\/td><td>17<\/td><\/tr><tr><td>10<\/td><td>Iowa Arthritis &#038; Osteoporosis Center PC<\/td><td>IA<\/td><td>14<\/td><\/tr><tr><td>11<\/td><td>AARA Doctors (AARA)<\/td><td>VA\/WA\u2026<\/td><td>15\u201320 (estimate)<\/td><\/tr><tr><td>12<\/td><td>Inova Rheumatology<\/td><td>VA<\/td><td>15<\/td><\/tr><tr><td>13<\/td><td>Harbin Clinic (multi\u2011specialty including rheum.)<\/td><td>GA<\/td><td>10\u201315<\/td><\/tr><tr><td>14<\/td><td>Kelsey\u2011Seybold Clinic (system includes rheumatology)<\/td><td>TX<\/td><td>10\u201315<\/td><\/tr><tr><td>15<\/td><td>Avera Medical Group (regional system with rheum.)<\/td><td>SD\/IA\/MN\/ND\/NE<\/td><td>10<\/td><\/tr><tr><td>16\u201120<\/td><td>Various regional multi\u2011specialty groups with rheumatologists<\/td><td>several states<\/td><td>8\u201312 each<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How Many Rheumatology Physician Group Practices Exist in the US?<\/strong><\/h2>\n\n\n\n<p>According to Definitive Healthcare, there are <strong>658 active rheumatology physician group practices<\/strong> in the U.S. as of July 2024 <a href=\"https:\/\/www.definitivehc.com\/resources\/healthcare-insights\/largest-rheumatology-physician-groups?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">definitivehc.com<\/a>. \u201cActive\u201d refers to organizational groups, not individual outpatient clinics\u2014each may span multiple physical locations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Challenges in Finding Rheumatology Group Decision-Makers<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>Decentralized Structure Across States<\/strong><\/h3>\n\n\n\n<p>While national groups exist, many practices are regionally fragmented\u2014managing multiple office locations with local decision-makers. Identifying the key influence figures (e.g., CEO, CMO, operations lead) can require detailed organizational mapping.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>Mixed Governance Models<\/strong><\/h3>\n\n\n\n<p>Some groups are physician\u2011owned and democratic, while others are corporate or hospital\u2011owned, with non-physician executives holding purchasing power. Pinpointing authority requires understanding each model&#8217;s structure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>Physician vs. Admin Decision Split<\/strong><\/h3>\n\n\n\n<p>Clinical leaders focus on efficacy and safety; administrators care about cost, billing systems, and integration. Marketing strategies must address both audiences simultaneously.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>Lack of Centralized Contact Data<\/strong><\/h3>\n\n\n\n<p>Unlike hospitals, many groups lack publicly available executive directories. Deep web research or healthcare data intelligence is often necessary to uncover accurate contact info.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>High Turnover &#038; Consolidation<\/strong><\/h3>\n\n\n\n<p>Mergers, acquisitions, and recruitment can frequently change leadership. Marketing campaigns need regular maintenance to stay accurate.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Reaching Them with Ampliz<\/strong><\/h2>\n\n\n\n<p>To engage these high-value groups effectively, you need:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udd0d Accurate Contact &#038; Structure Data<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.ampliz.com\/\" data-type=\"URL\" data-id=\"https:\/\/www.ampliz.com\/\">Ampliz<\/a> provides verified emails, phone numbers, and hierarchical charts for physicians, executives, and purchasing leads within rheumatology groups.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udcca Rich Firmographics &#038; Technographics<\/strong><\/h3>\n\n\n\n<p>Know group size, locations, EHR platforms, affiliations, and service lines to tailor messaging to each organization\u2019s context.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\udcbc Segmentation &#038; Campaign Targeting<\/strong><\/h3>\n\n\n\n<p>Use data to segment groups by size, geography, or system affiliation. Engage clinical vs. administrative contacts with customized content.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\ud83d\ude80 Workflow Automation<\/strong><\/h3>\n\n\n\n<p>Ampliz data integrates with CRMs and marketing automation tools to streamline outreach, follow-ups, and performance tracking.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why Marketing to Large Rheumatology Groups Matters<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Economies of Scale<\/strong><br>One successful sale or pilot with a large group can mean multi-location deployments and recurring revenue streams.<\/li>\n\n\n\n<li><strong>Influence &#038; Social Proof<\/strong><br>Major groups are opinion leaders; success stories with them can open doors to smaller groups and systems.<\/li>\n\n\n\n<li><strong>Integrated, Long-Term Partnerships<\/strong><br>Large groups often look for healthcare partners offering training, analytics, and co-development\u2014not just products.<\/li>\n\n\n\n<li><strong>Innovation Testing<\/strong><br>Their higher patient volumes and resource availability make them prime candidates for pilot studies, digital diagnostics, and advanced therapeutics.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>There are <strong>658 active rheumatology physician group practices<\/strong> in the US, with the top 20 alone representing over 350 rheumatologists and a vast patient population. Successfully reaching these groups is challenging due to decentralized structures, blurred governance lines, and constantly changing leadership.<\/p>\n\n\n\n<p>This is where <strong>Ampliz <\/strong><a href=\"https:\/\/www.ampliz.com\/healthcare-intelligence\" data-type=\"URL\" data-id=\"https:\/\/www.ampliz.com\/healthcare-intelligence\"><strong>healthcare data<\/strong> <strong>platform<\/strong><\/a> proves invaluable\u2014by providing:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pinpointed contact details and organizational maps<\/li>\n\n\n\n<li>Technographics and workflow insights<\/li>\n\n\n\n<li>Segmented campaign tools that reach both clinical and administrative decision-makers<\/li>\n<\/ul>\n\n\n\n<p>Using accuracy\u2011driven data ensures that your outreach is targeted, effective, and scalable\u2014not just delivering leads, but <strong>building meaningful, long-term partnerships<\/strong> in rheumatology. Ampliz\u2019s platform not only smooths the path\u2014but unlocks the door.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last updated on March 30th, 2026 As the prevalence of chronic rheumatic diseases such as rheumatoid arthritis, lupus, gout, and osteoporosis\u2014rises across the United States, healthcare vendors and service providers are increasingly targeting rheumatology physician group practices. These practices, where multiple rheumatologists collaborate across clinics or regions, hold significant influence in procurement and adoption of medical devices, software and specialized therapies. Why focus on large groups? For one, physician group size correlates directly with patient volumes and revenue. A single large group may represent tens of thousands of patients, creating bulk opportunities for vendors. Secondly, centralized decision-making in such groups enables more cohesive purchasing, adoption, and implementation of new healthcare solutions. Understanding who these top players are and how they operate is essential for any healthcare supplier aiming to scale within the rheumatology market. Top 20 Largest Rheumatology Physician Groups in the US Rank Group Practice Name Headquarter State # of Rheumatologists 1 Articularis Healthcare SC, GA, FL\u2026 49 2 Arthritis and Rheumatism Associates PC MD (D.C. metro) 30 3 Rheumatology Associates TX (Dallas\u2013Fort Worth) 27 4 Arizona Arthritis &#038; Rheumatology Associates AZ 22 5 Valley Oaks Medical Group NV 22 6 Annapolis Rheumatology LLC MD 18 7 Southwest Spine &#038; Pain Center UT 18 8 Arthritis Rheumatic &#038; Back Disease Associates NJ 17 9 Kansas City Physician Partners INC MO 17 10 Iowa Arthritis &#038; Osteoporosis Center PC IA 14 11 AARA Doctors (AARA) VA\/WA\u2026 15\u201320 (estimate) 12 Inova Rheumatology VA 15 13 Harbin Clinic (multi\u2011specialty including rheum.) GA 10\u201315 14 Kelsey\u2011Seybold Clinic (system includes rheumatology) TX 10\u201315 15 Avera Medical Group (regional system with rheum.) SD\/IA\/MN\/ND\/NE 10 16\u201120 Various regional multi\u2011specialty groups with rheumatologists several states 8\u201312 each How Many Rheumatology Physician Group Practices Exist in the US? According to Definitive Healthcare, there are 658 active rheumatology physician group practices in the U.S. as of July 2024 definitivehc.com. \u201cActive\u201d refers to organizational groups, not individual outpatient clinics\u2014each may span multiple physical locations. Challenges in Finding Rheumatology Group Decision-Makers 1. Decentralized Structure Across States While national groups exist, many practices are regionally fragmented\u2014managing multiple office locations with local decision-makers. Identifying the key influence figures (e.g., CEO, CMO, operations lead) can require detailed organizational mapping. 2. Mixed Governance Models Some groups are physician\u2011owned and democratic, while others are corporate or hospital\u2011owned, with non-physician executives holding purchasing power. Pinpointing authority requires understanding each model&#8217;s structure. 3. Physician vs. Admin Decision Split Clinical leaders focus on efficacy and safety; administrators care about cost, billing systems, and integration. Marketing strategies must address both audiences simultaneously. 4. Lack of Centralized Contact Data Unlike hospitals, many groups lack publicly available executive directories. Deep web research or healthcare data intelligence is often necessary to uncover accurate contact info. 5. High Turnover &#038; Consolidation Mergers, acquisitions, and recruitment can frequently change leadership. Marketing campaigns need regular maintenance to stay accurate. Reaching Them with Ampliz To engage these high-value groups effectively, you need: \ud83d\udd0d Accurate Contact &#038; Structure Data Ampliz provides verified emails, phone numbers, and hierarchical charts for physicians, executives, and purchasing leads within rheumatology groups. \ud83d\udcca Rich Firmographics &#038; Technographics Know group size, locations, EHR platforms, affiliations, and service lines to tailor messaging to each organization\u2019s context. \ud83d\udcbc Segmentation &#038; Campaign Targeting Use data to segment groups by size, geography, or system affiliation. Engage clinical vs. administrative contacts with customized content. \ud83d\ude80 Workflow Automation Ampliz data integrates with CRMs and marketing automation tools to streamline outreach, follow-ups, and performance tracking. Why Marketing to Large Rheumatology Groups Matters Conclusion There are 658 active rheumatology physician group practices in the US, with the top 20 alone representing over 350 rheumatologists and a vast patient population. Successfully reaching these groups is challenging due to decentralized structures, blurred governance lines, and constantly changing leadership. This is where Ampliz healthcare data platform proves invaluable\u2014by providing: Using accuracy\u2011driven data ensures that your outreach is targeted, effective, and scalable\u2014not just delivering leads, but building meaningful, long-term partnerships in rheumatology. Ampliz\u2019s platform not only smooths the path\u2014but unlocks the door.<\/p>\n","protected":false},"author":13,"featured_media":3636,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[151,2009],"tags":[2249,2250,2251,2252],"class_list":["post-3635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-physician-groups-by-speciality","category-us-physician-groups","tag-largest-rheumatology-physician-groups","tag-largest-rheumatology-physician-groups-in-the-us","tag-rheumatology-physician-groups","tag-top-rheumatology-physician-groups"],"_links":{"self":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts\/3635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/comments?post=3635"}],"version-history":[{"count":1,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts\/3635\/revisions"}],"predecessor-version":[{"id":4322,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts\/3635\/revisions\/4322"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/media\/3636"}],"wp:attachment":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/media?parent=3635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/categories?post=3635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/tags?post=3635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}