Mark C Cullen, MD

Atlantic Orthopaedics & Sports Medicine (SPORTSMEDICINE ATLANTIC ORTHOPAEDICS, P.A.) is a private medical practice based in Portsmouth, NH, with two offices in the Southern Maine/Seacoast NH area (Portsmouth, NH). Their orthopedic team offers a range of services including joint replacement surgery, non-surgical treatments, sports medicine, and various orthopedic procedures. Key details: - Locations: 1900 Lafayette Rd, Portsmouth, NH 03801 (and another Portsmouth office) - Services: Orthopedics, sports medicine, joint replacement, surgical and non-surgical treatments - Contact: Multiple local numbers (Portsmouth area); main offices in Portsmouth - Status: Active; private ownership - Website: atlanticorthopaedics.org If you’re specifically looking for locations in Portsmouth NH and York ME, this practice operates from Portsmouth with potential coverage across the Seacoast region. For York ME or Durham specifics, consider contacting the offices directly or checking their site for additional regional providers.

Wentworth-Douglass Hospital is a nonprofit, Mass General Brigham-affiliated medical center in Dover, NH. Key points: - Part of Mass General Brigham (since 2016); regional health system with 3,500+ employees and 400+ physicians/APPs across the network. - Located at 789 Central Ave, Dover, NH 03820 (HQ). Main hospital campus serves the Seacoast region with comprehensive services and walk-in/urgent care, plus physician practices. - History and scope: founded in 1906; joined Mass General Brigham (MGB) in 2016; noted for expanding access to advanced cardiac care, including AF ablation programs with collaboration across the system (e.g., Wentworth-Douglass and Salem Hospital). - Organization footprint: part of the broader MGB family; notable affiliations and alumni moves within the regional health system. - Additional context: the page lists extensive network connections, locations, and workforce data, indicating strong integration with MGB and a focus on regional health services across New Hampshire.