Regenerative Sportscare Institute

Regenerative SportsCare Institute (RSI+) is an outpatient regenerative orthopedic and spine practice at 62 E. 88th Street, in the Carnegie Hill area of New York City.

Clinicians

• Christopher Lutz, MD — Chief Medical Officer; board-certified physiatrist. Fellowship in Spine and Sports Medicine at Hospital for Special Surgery.
• Jennifer Solomon, MD — Director of Research; board-certified physiatrist. Fellowship in Spine and Sports Medicine at Hospital for Special Surgery.
• Christopher Kyriakides, DO — board-certified physiatrist; currently completing RSI’s fellowship in interventional spine and regenerative orthopedics.
• The site names the late Gregory Lutz, MD as the practice’s founder (2016–2024).

Regenerative treatments offered

• Intradiscal PRP using the practice’s proprietary DiscCath™ procedure, given under fluoroscopic guidance as an outpatient procedure of about 60 minutes.
• PRP for tendon and ligament injuries, under ultrasound or fluoroscopic guidance.
• Autologous bone marrow concentrate, harvested under light sedation and processed the same day.
• The practice has open MRI, digital X-ray and ultrasound on site.

Conditions the practice lists

Degenerative disc disease, discogenic low back pain, and disc tears and protrusions. Tendon injuries of the rotator cuff, Achilles, hamstring, quadriceps and elbow. Ligament tears and knee osteoarthritis.

What to know before you call

• RSI+ uses a direct-pay model. The payment page states that its orthobiologic treatments are not eligible for insurance reimbursement, but X-rays and MRIs can be submitted to insurance. Coded invoices are provided.
• Payment is due at the time of service. Prices are not published.
• Patients can upload MRI images online before a visit.
• Phone: 646-870-7997.

RPG verification notes

• Physician credentials are listed on the About page.
• Insurance and payment policy is published on the Payment Info page.
• No FDA disclaimer was seen on the treatments page.

Last verified by Regen Provider Guide: October 2026. Confirm treatment details, candidacy, insurance coverage and costs directly with the practice.