The Diagnostician's Home
AOSN’s Internal Medicine Specialty Group is building a dedicated network for veterinary internists, ACVIM-certified specialists who thrive on solving the cases that defy straightforward diagnosis. Outpatient-focused, specialist-driven, and built for the way internal medicine is actually practiced.
Specialist-Driven Internal Medicine
The Specialty That Connects Everything
Veterinary internal medicine is the broadest and most diagnostically complex of all specialties. Internists are the clinicians other specialists turn to when cases cross disciplinary lines, spanning gastroenterology, endocrinology, nephrology, respiratory medicine, hematology, immunology, infectious disease, and urology. When a patient presents with multiple concurrent conditions, the internist is the one who sees the whole picture.
Yet the practice environment for most internists hasn't caught up with the complexity of the work. Shared imaging equipment, fragmented referral chains, and operational models designed around ER throughput make it harder to deliver the methodical, follow-up-intensive care that internal medicine demands.
AOSN’s Internal Medicine Specialty Group is building something different, an outpatient-focused internal medicine network where internists have dedicated diagnostic resources, multi-specialty collaboration within the same network, and the clinical autonomy to practice medicine the way their training intended.
Why Internists Choose AOSN’s Internal Medicine Specialty Group
Clinical Autonomy
Internal medicine requires clinical flexibility, the ability to pursue a diagnostic pathway wherever it leads. AOSN protects your autonomy to manage cases on your terms, without corporate protocols dictating your workup.
Comprehensive Diagnostic Access
Abdominal and thoracic ultrasound, video endoscopy (rhinoscopy, gastroduodenoscopy, bronchoscopy, colonoscopy, cystoscopy), CT access, in-house laboratory, and advanced biomarker panels, the full diagnostic toolkit, available when you need it.
Multi-Specialty Integration
Internal medicine cases frequently intersect with oncology, surgery, cardiology, and dermatology. AOSN's specialty-exclusive network provides seamless access to colleagues across disciplines, no external referral chains, no fragmented care.
Operational Support
Billing, scheduling, credentialing, HR, and facility management are handled by AOSN's operational team. Your focus stays on the clinical work.
Competitive Compensation
Industry-leading base salary, production bonuses, comprehensive benefits, CE allowance, and full coverage of ACVIM dues, DEA registration, and state licensure fees.
Benefits for the People Who Take Care of Pets
Elevating the Standard of Internal Medicine
Gastroenterology & Hepatology
Video endoscopy, advanced GI diagnostics, liver biopsy, and evidence-based management of chronic enteropathies, protein-losing conditions, hepatic disease, and pancreatitis.
Endocrinology
Comprehensive workup and long-term management of diabetes mellitus, Cushing's disease, Addison's disease, thyroid disorders, and complex multi-endocrine conditions.
Nephrology & Urology
Chronic kidney disease management, acute kidney injury protocols, urinary tract diagnostics including cystoscopy, and lithotripsy for urolithiasis in partnership with surgical colleagues.
Respiratory, Hematology & Infectious Disease
Bronchoscopy, airway assessment, immune-mediated disease workup, infectious disease diagnostics, and complex cases requiring the full diagnostic breadth that only a board-certified internist can provide.
Hear from Our Specialists
What our partners and associates say about life at AOSN.
"It doesn't feel like I joined AOSN, it feels like my TEAM did. I'm very thankful for the enhanced benefits and all the ways this group takes care of my team."
"I love the camaraderie of the group and learning from the most brilliant and hardest-working veterinary specialists in our field. I am inspired by them and their example keeps me motivated to continue learning, growing, and teaching."
"Partnering was one of the largest decisions of my life, and I wasn't going to do it if it wasn't going to be right. I have been really impressed with the caliber of content and collaboration with the best specialists in the nation."
"With such a wide network of specialists you have so much support beyond your own clinic with cases and advice. There are also options to be involved in leadership, business, research, speaking, training, etc. If you have passions outside of the clinic. To feel supported as a clinician in a large specialty company is special."
Featured Team Members
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How We're Building the Internal Medicine Network
Partnering with Existing Hospitals
Joining forces with established internal medicine and multi-specialty practices, preserving your team, your brand, and your clinical identity while adding the resources and collaboration of AOSN.
Recruiting Specialists Nationwide
Bringing DACVIM (SAIM) Diplomates and practice-limited internists into a specialist-exclusive network with industry-leading compensation and comprehensive diagnostic access.
Building New Clinics
Expanding access to board-certified internal medicine in underserved markets, purpose-built outpatient clinics with full diagnostic suites.
Discuss a Partnership
Bring the resources and multi-specialty collaboration of AOSN to your internal medicine practice, while preserving the clinical identity, team, and patient relationships you've built.
View Open Positions
Practice internal medicine in an environment designed for diagnostic depth, with the imaging, the endoscopy, and the multi-specialty network to support even your most complex cases.
Let's Start a Conversation
Whether you're a practice owner exploring a partnership or an internist looking for your next career home, we'd love to connect.
