Empowering patients to take control of their pain
Meet Joshua Greenspan, MD, and the Team at American Pain Institute
American Pain Institute in Portsmouth, New Hampshire, is a dedicated pain management clinic that offers comprehensive and compassionate care to patients suffering from various types of chronic and acute pain. Led by Dr. Joshua Greenspan, an experienced and board-certified anesthesiologist and pain management specialist, we prioritize patient-centered care, utilizing the latest technology and evidence-based techniques to address your pain and improve your quality of life.
1. Comprehensive Pain Management
We offer a comprehensive range of diagnostic and therapeutic services to address different pain conditions, including:
- Headaches
- Fibromyalgia
- Reflex Sympathetic Dystrophy (RSD)
- Trigeminal Neuralgia
- Pudendal Neuralgia
- Cancer and nerve-related pain
- Joint and spinal pain
2. Regenerative Medicine
For certain chronic pain conditions, we also provide regenerative medicine treatments such as spinal cord stimulation and platelet-rich plasma injections to encourage tissue regeneration and alleviate pain.
3. Patient-Centered Care
Our team believes in a collaborative and individualized approach to pain management. We take the time to understand each patient's unique needs, concerns, and pain history to develop a personalized treatment plan. We also offer:
- Advanced diagnostic services
- Comprehensive treatment and rehabilitation programs
- Post-treatment care and pain management education
Our Philosophy
At American Pain Institute, we are committed to:
- Providing compassionate and patient-centered care
- Empowering patients through education and self-management strategies
- Utilizing advanced technology and evidence-based treatments
- Delivering transparent and open communication throughout the process
- Working collaboratively with other healthcare providers for optimal outcomes
Experience Compassionate and Effective Pain Management in Portsmouth, NH
If you are suffering from chronic pain, request an appointment at American Pain Institute and discover the relief and improved quality of life that awaits you. Contact us today to learn more and embark on your journey towards lasting pain relief.

Be the first to review American Pain Institute.
Write a Review