Overview
"Marc Lehrer Greenwald, MD, is the chief of colorectal clinical services and surgeon-in-chief at North Shore University Hospital. He is a double board-certified colorectal surgeon who specializes in minimally invasive and sphincter sparing techniques to treat a wide range of diseases and disorders of the small intestine, colon, rectum and anus. This includes diverticulitis, Crohn's disease, ulcerative colitis and colorectal cancer.
""I'm really fortunate to work with an amazing team at North Shore.
Dr. Greenwald is rated as an Experienced provider by MediFind in the treatment of Secondary Peritonitis. His top areas of expertise are Ogilvie Syndrome, Familial Colorectal Cancer, Diverticular Disease, Hernia Surgery, and Bladder Reconstruction.
His clinical research consists of co-authoring 4 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
310 East Shore Road, Suite 203, Great Neck, NY 11023
900 Northern Boulevard, Suite 100, Great Neck, NY 11021
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Atlantic Shore Surgical Associates, PC
Jane Park is a Colorectal Surgeon and a General Surgeon in Brick, New Jersey. Dr. Park is rated as an Advanced provider by MediFind in the treatment of Secondary Peritonitis. Her top areas of expertise are Retroperitoneal Inflammation, Familial Colorectal Cancer, Gallbladder Disease, Hernia Surgery, and Ileostomy. Dr. Park is currently accepting new patients.
Stony Brook Surgical Associates University Faculty Practice Corporati
Paula Denoya is a Colorectal Surgeon and a General Surgeon in East Setauket, New York. Dr. Denoya is rated as a Distinguished provider by MediFind in the treatment of Secondary Peritonitis. Her top areas of expertise are Diverticular Disease, Colorectal Cancer, Familial Colorectal Cancer, Hernia Surgery, and Small Bowel Resection.
Steven Tizio is a Colorectal Surgeon and a General Surgeon in Neptune, New Jersey. Dr. Tizio is rated as an Advanced provider by MediFind in the treatment of Secondary Peritonitis. His top areas of expertise are Retroperitoneal Inflammation, Hemorrhoids, Pilonidal Sinus Disease, Hemorrhoidectomy, and Hernia Surgery.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Colorectal CancerDr. Greenwald isDistinguished. Learn about Colorectal Cancer.
- Diverticular DiseaseDr. Greenwald isDistinguished. Learn about Diverticular Disease.
- Familial Colorectal CancerDr. Greenwald isDistinguished. Learn about Familial Colorectal Cancer.
- Levator SyndromeDr. Greenwald isDistinguished. Learn about Levator Syndrome.
- Ogilvie SyndromeDr. Greenwald isDistinguished. Learn about Ogilvie Syndrome.
- Rectal ProlapseDr. Greenwald isDistinguished. Learn about Rectal Prolapse.
- Advanced
- Anal FissureDr. Greenwald isAdvanced. Learn about Anal Fissure.
- Bladder ReconstructionDr. Greenwald isAdvanced. Learn about Bladder Reconstruction.
- HemorrhoidsDr. Greenwald isAdvanced. Learn about Hemorrhoids.
- Hernia SurgeryDr. Greenwald isAdvanced. Learn about Hernia Surgery.
- Lynch SyndromeDr. Greenwald isAdvanced. Learn about Lynch Syndrome.
- Mesenteric Venous ThrombosisDr. Greenwald isAdvanced. Learn about Mesenteric Venous Thrombosis.
- Experienced
- Anal CancerDr. Greenwald isExperienced. Learn about Anal Cancer.
- Bile Duct StrictureDr. Greenwald isExperienced. Learn about Bile Duct Stricture.
- Bowel IncontinenceDr. Greenwald isExperienced. Learn about Bowel Incontinence.
- CellulitisDr. Greenwald isExperienced. Learn about Cellulitis.
- CholedocholithiasisDr. Greenwald isExperienced. Learn about Choledocholithiasis.
- ColitisDr. Greenwald isExperienced. Learn about Colitis.
