Physicians and Surgeons

Experience, talent and impeccable training are the hallmarks of our surgeons – with education and training from some of the world’s most renowned institutions, including Mount Sinai School of Medicine affiliates, Rush University, Harvard University, and The Cleveland Clinic.

NYCSA surgeons are represented on some of the nation’s most coveted “best of” lists, including America’s Top Surgeons and Marquis Who’s Who, and are routinely voted as leaders in their field by peers.

For bios on our physicians and surgeons, please search by specialty or for a complete list below.


  • woman-smooth-legs
    What Are Varicose Veins?
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  • woman-weight-lifting-hernia
    What is a Hernia?
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  • nyc-surgical-associates
    Spider Veins: what are your treatment options?
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  • losing weight
    How to Shed Weight after the Holidays
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  • magnifying glass
    How to Tell If You Have Spider Veins
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  • vein-exerciese-lunges
    5 Exercises for Healthier Veins
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  • woman-running
    Pelvic Pain
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  • feet-with-no-spider-veins
    Spider Veins: 10 Must-Know Facts
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  • leg-exercise
    Diet and Workout Myths Debunked
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  • dcotor-glasses
    What are spider veins?
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  • Dr. Greuner Sharing the importance of patient reviews on running a successful surgical practice.
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  • Dr. David Greuner featured as the cover story for Resident Magazine
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  • Dr. David Greuner on head trauma and Parkinson’s disease.
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  • Surgeons From World-Renowned NYC Surgical Lead the Way in the Eastern U.S. to Treat Vascular Disease & Disorders with ArtVentive EOS™, a Revolutionary New Device in Vascular Applications
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  • Quantum International Income Corp. Announces Addition of Surgeons and Broadening of Surgical Practice Areas at Centers for Special Surgery (“CSS”)
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  • NYC Surgical Associates welcomes Dr. Arien Smith: 6 things to know
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  • NYC Surgical Associates Welcomes Arien Smith, MD and Victor Rosenberg, MD
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  • 28 ASC joint ventures & acquisitions in 2015 so far
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  • Dr. David Greuner
    David A. Greuner MD, FACS, FICS
    Minimally Invasive Surgery
    Cardiovascular and General Surgery
    Surgical Director and Managing Director
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  • Jason D. Hanks, MD
    Director of Anesthesia and Perioperative Services
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  • Kerem Bortecen, MD, PhD, MBA, FACS
    Director of Liver and Kidney Interventional Oncology Program
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  • Arno Rotgans, MD
    Regional Director, Long Island
    Endovascular and General Surgery
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  • Dr. Ryan Neinstein, MD, FRCSC
    Division Director
    Plastic and Reconstructive Surgery
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  • Christopher Hollingsworth, MD
    Surgical Staff
    General and Endovascular Surgery
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  • Victor I. Rosenberg, MD
    Plastic, Cosmetic and Reconstructive Surgery
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  • David Dynof, MD
    Orthopedics and Pain Management
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  • Raghu Idupuganti, MD
    Adult and Pediatric Anesthesiology
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  • Arno Rotgans, MD
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  • Carole Taub, MD
    Anesthesiology
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  • Paint The Mall Red Returns To Walt Whitman Shops
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  • Bariatric Surgery at NYC Surgical Associates Now Includes Lap-Band With Anti-Slip Stitch
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  • Dr. Adam Tonis, Dr. David Greuner
    Dr. Adam Tonis and Dr. David Greuner of NYC Surgical Associates and DGAT Medical Management Announce Acquisition of Surgical Center In New York
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  • Dr. David Greuner and NY Clinic Share 4 Ways To Reduce Holiday Stress & Health Risks 
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  • Dr. David Greuner demonstrates how to prevent varicose veins by elevating your legs
    How To Prevent Varicose Veins Shown By NY Surgeon Dr. David Greuner
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  • New York Surgeon Dr. David Greuner Discusses Blood Clots, Deep Vein Thrombosis on NY1
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  • Lymphedema and Lipedema Leading Edge Treatments Benefit Patients At NYC Surgical Associates
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  • World Thrombosis Day Increases Screening and Treatment Awareness, Says NY Cardiovascular Surgeon
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  • Deep Vein Thrombosis Presents Risks To Desk-Bound Workers and Jet-Setters, Says Surgeon
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  • Treatment For Varicose Veins Improved By New York Surgeon
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  • Can Ebola Spread In The US?
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  • Treatment For Deep Vein Thrombosis New York
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  • New Ultrasound Screening For Deep Vein Thrombosis Improves Treatment Decisions
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  • Lipedema Centers In NY, NJ Announce New Lipedema Treatment Website
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  • Treatment For Spider Veins Improved With New Type Of Sclerotherapy In New York
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  • Lipedema Treatment With Lymph Sparing Liposuction Is Now Available To New York, New Jersey Residents
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  • Dr. David Greuner Brings New Varicose Vein Treatment To New Jersey
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  • New York Doctor Says Excessive Underarm Sweating Is Stopped With New Treatment
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  • Dr. David Greuner Shares New Treatment For Varicose Veins In New York
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  • Dr. David Greuner To Appear On The Doctors Show Tues. February 18th
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  • The Best Treatment For Varicose Veins in New York | No-Knife™
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  • David Greuner, MD Discusses Cold Weather Safety On CBS New York
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  • Dr. David Greuner To Discuss Pelvic Pain On The Dr. Steve Show Dec. 22
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  • NYC Surgical Associates | Treatment For Pelvic Pain In Women | Embolization
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  • When Liposuction Isn’t For Vanity: Lipedema Causes Excessive Fat Deposits In Women
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  • A New Era Of Surgery Is Here
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  • Dr. David Greuner Appears On The Dr. Oz Show With Vein Treatment
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  • See Dr. Greuner On The Dr. Oz Show Oct. 24th: Treating Spider Veins
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  • New York: Woman Has Painful Varicose Veins Eliminated With No-Knife Endovenous Laser
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  • Varicose Veins in Men – The Best Treatments Shown By Dr. David Greuner
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  • See The Best Treatments For Varicose Veins In New York On The Dr. Steve Show Sunday Oct. 13th
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  • Banish Bulging Leg Veins: Dr. David Greuner Shows New Treatment On CBS 2 New York
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  • Men With Varicose Veins Receive Advanced Treatment At Vein Centers of NYC Surgical Associates.
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  • Dr. David Greuner Appears on the Dr. Steve show with No-Knife Endovenous Laser
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  • Dr. David Greuner Appears on CBS 2’s “The Couch” Wed. Sept. 4th
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  • Dr. David Greuner Appears on WABC 7 News With New Varicose Vein Treatment
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  • Scarless Varicose Vein Treatment Invented By New York Surgeon
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  • Charity Medical Relief Work
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  • What can I do about my Varicose Veins?
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  • David Greuner consulted on Amy Winehouse’s last days
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  • David Greuner consulted on Amy Winehouse’s last days
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