ASC SoftwareDelivered on a single platform in the cloud, SIS Complete simplifies ASC operations from start to finish.
Revenue Cycle ServicesAccelerate your revenue cycle with tech-enabled billing, coding, and transcription solutions delivered by our team of RCM experts.
ComplianceSimply compliance management with SIS Comply, a comprehensive, easy-to-use solution purpose-built for ASCs.

Forward-thinking ASCs can use modern technology, including AI and automation, to protect and grow revenue. Gain a clear framework for selecting and deploying new solutions, preparing staff and partners for change, and strengthening revenue cycle performance.
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Bob Lathrop, CPC, CPC-I, CASCC Coding Director, Surgical Information Systems Bob Lathrop serves as Coding Director at Surgical Information Systems (SIS), where he empowers ambulatory surgery centers (ASCs) to operate smart through comprehensive coding compliance, education, and audit programs. Leveraging over a decade of ASC-specific coding and reimbursement expertise, Bob partners with ASC administrators, business office leaders, and physician-owners to drive accuracy, ensure regulatory compliance, and optimize financial outcomes. His leadership includes developing and overseeing coding education initiatives and internal audit processes, supporting ASCs in mitigating audit risk and achieving best-in-class reimbursement. Bob collaborates closely with SIS revenue cycle and product teams to interpret evolving payer requirements and regulatory updates, ensuring partners remain agile amid complex procedural reporting landscapes. Before joining SIS in 2024, Bob owned and operated a specialized ASC coding and compliance firm for 12 years, delivering consultative solutions to improve compliance and cash flow. He is a Certified Professional Coder (CPC), Certified Professional Coding Instructor (CPC-I), and Certified Ambulatory Surgery Center Coder (CASCC). Recognized for his practical and education-driven approach, Bob offers trusted guidance to ASCs striving for operational efficiency, compliance assurance, and sustainable financial performance in a rapidly evolving industry.Enter your email to receive insights from SIS leaders, partners and industry experts straight to your inbox.

Telephone: 800-866-0656
Surgical Information Systems
8000 Avalon Blvd., Suite 350
Alpharetta, GA 30009
Telephone: 800-866-0656
Email: sales@sisfirst.com
ASC Support
Cloud Solutions: 800-930-0895
ASC Logs Support: 877-823-7570
SurgiSource Support: 800-447-0104
AdvantX Support: 800-562-7069
Vision Support: 800-246-0875
Amkai Support: 866-265-2434
Hospital Support
SIS Hospital Support: 800-944-3896