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About

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.

Clinic Type

Orthopedic Surgery

Address

New Hampshire (Portsmouth) and Southern Maine (York)

Phone

16034311121

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Back and Spine Surgery
  • Cartilage Restorations and Transplants
  • Joint Replacements
  • Injections
  • Ultrasound
  • X-Rays
  • Physical Therapy
  • Occupational Therapy
  • Spine Surgery
  • Arthroscopic Surgery
  • Robotic Assisted Surgery
  • Shields MRI
  • Workers' Comp
  • Concussion care
  • Pain management
  • Sports medicine
  • Fracture care
  • Total joint replacement

Technology & Equipment

  • 1.5T MRI (Shields MRI Portsmouth)
  • State-of-the-art physical therapy and occupational therapy onsite
  • arthroscopic surgery
  • robotic-assisted surgery
  • joint replacements
  • spine surgery
  • ultrasound
  • x-rays

Insurance & Payment

Not specified

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye: 4.8/5 stars (2,108 reviews)
  • rater8: 4.9/5 stars (244+ ratings across various providers)

Patients praise

  • high level of provider expertise and professionalism
  • short wait times and organized office processes
  • thorough explanations of treatment options
  • friendly and compassionate staff/provider demeanor

Common complaints

  • occasional reports of poor administrative experiences
  • concerns about care for complex or non-routine cases

"I cannot say enough good things about Dr. McMahan... They are both so down to earth, kind, and comforting. They take the time to make sure I feel at ease, and their calm and caring approach truly makes a difference."

Patient review of Dr. Andrew McMahon on rater8

"This practice has provided me with the worst series of medical experiences I've ever had in my life... I highly encourage you to avoid AO if you have a serious injury or a case that presents even the slightest problem."

Patient review on Birdeye

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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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. If you’re looking for specifics on cardiac programs, location, or how Wentworth-Douglass fits within Mass General Brigham, I can pull those details.

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