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212-535-3505 115 E. 57th Street, Ste 610, New York, NY 10022

About Our Practice

Specializing In Advanced Regenerative Medicine

Welcome to Advanced Spine on Park Avenue, one of the most advanced and professionally recognized private pain management practices in New York City. We’ve helped hundreds of patients find relief from chronic and acute pain symptoms that many patients turn to after failing to regain their pain-free life with other treatments and doctors.

Led by two highly-recognized and accomplished pain management specialists, Advanced Spine on Park Avenue delivers the most advanced interventional and regenerative pain medicine practices to our grateful patients.

With industry-leading expertise, investment in the most advanced medical imaging technology available to private practice, and a history of satisfied patients, we believe you too will find relief and a pain-free future with the help of the team at Advanced Spine on Park Avenue.

Most major commercial insurance accepted.

Sudhir Diwan, MD

Sudhir Diwan, MD is one of the leading experts in Pain Management in the United States, focusing on advanced treatment methods. He’s been a strong voice in the industry for over 30 years and is known for his focus on regenerative medicine and pain management industry advancement.

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Gerard DeGregoris III, MD

Gerard DeGregoris III, MD is a fellowship-trained anesthesiologist who takes pride in providing compassionate, customized care to his patients. With advanced fellowship training at the best hospitals in New York, his knowledge and passion brings his patients the best pain management solutions available today.

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“We’re proud of the support we get from our loyal patients, many who have been coming to see us us for years.”

Patient Testimonials

I have seen many doctors regarding chronic lower back pain and I have to say that Dr. Diwan was by far the nicest caring and professional doctor I have seen . He really me feel comfortable and put my mind at ease that he would help with my chronic pain…read more

You do not see many doctors that spend time with their patients anymore. He took his time to understand what was wrong and solved the problem. I would recommend Dr. Diwan to others and already have.

I can't imagine anyone having a bad experience with this caring and compassionate professional. I would have rated him excellent in all categories, but I did wait a while for my initial consultation. However, during my follow up visits, I was seen quickly. And once I met with him, I…read more

I've been seeing Dr. Diwan for years for pain from endometriosis and adenomyosis...he and his staff helped me to better control my pain by taking less medication and enabled me to stop taking the stronger pain medicine I had required just to be able to last through a busy day.…read more

Dr. Diwan put my mind at ease. He is by far one of the few doctors who cared completely about my situation. Since my last visit, I have completely learned how to walk again and am back to a full active lifestyle. His assistance during my four years of recovery…read more

I couldn't find a Pain Management Specialist that dealt with the whole body not just the spineā€¦until I was referred to Dr. Diwan. He is excellent and very accommodating. After two knee replacements I was still in a lot of pain. No matter what my knee surgeon did it didn't…read more

Dr. DeGregoris is excellent - professional, knowledgeable and patient. He fully explained my diagnosis and proposed treatment options. Dr. DeGregoris answered all of my questions and the treatment he prescribed solved my pain issue. I would highly recommend him.

An excellent experience. Dr Degregoris really cares about his patients and made me and my mother feel very safe under his care. My mother - being the patient - responded very well to therapy recommended by Dr D. and thanks to it - mom is back to her normal self.…read more

For two years now, Dr. DeGregoris has helped me manage pain in my neck, hip, knees and lower back. And the best recommendation I can offer is that I have lived these last two years more pain free than I can remember for the last three decades. I feel blessed…read more

My husband had an appointment to see Dr. Degregoris after being in extreme lower back pain and being out of work for 2 weeks. We had been to the ER twice, twice to Spine Specialist, an appointment to get an MRI all this while he could barely walk. Finally, we…read more

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