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Dr. Marc Greenwald, MD

Colorectal Surgery*
3.6 (14)
Map Pin Small Great Neck, NY
Accepting new patients
39 years of experience

Offers telehealth

Overview of Dr. Marc Greenwald, MD

Dr. Marc Greenwald, MD is a Colorectal Surgery Specialist in Great Neck, NY. They specialize in Colorectal Surgery, has 39 years of experience, and is board certified in Colon & Rectal Surgery. They graduated from Cornell University and is affiliated with North Shore University Hospital and Long Island Jewish Medical Center. Patients rated Dr. Greenwald an average 3.6 star rating.

Dr. Greenwald works at Northwell Health Physician Partners Surgical Specialties at Great Neck in Great Neck, NY. They frequently treat conditions like Colorectal Cancer along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Greenwald's Office Locations

  1. 1
    Northwell Health Physician Partners Surgical Specialties at Great Neck
    310 E Shore Rd Ste 203, Great Neck, NY 11023 Icon Directions Right Arrow Directions Phone Icon (516) 482-8657
  2. 2
    Northwell Health Physician Partners Center for Colon & Rectal Diseases at Great Neck
    900 Northern Blvd Ste 100, Great Neck, NY 11021 Icon Directions Right Arrow Directions Phone Icon (432) 714-4650

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • North Shore University Hospital
  • Long Island Jewish Medical Center

Experience & Treatment Frequency

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What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Colectomy
Open Appendectomy
Colorectal Cancer
Colectomy
Open Appendectomy
Colorectal Cancer

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Colectomy
Open Appendectomy
Colorectal Cancer
Abdominal Pain
Anal and Rectal Cancer
Anal Fissure
Anal or Rectal Pain
Anorectal Abscess
Anorectal Fistula
Cholangiocarcinoma
Constipation
Crohn's Disease
Hemorrhoids
Ileus
  • View other providers who treat Ileus
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Obstruction
Liver Cancer
Proctoptosis
Rectal Prolapse
Small Intestine Cancer
Tubo-Ovarian Abscess
Umbilical Hernia
Abdominal Hysterectomy
Anal Fistulectomy or Fistulotomy
Anoscopy
  • View other providers who treat Anoscopy
Colectomy Laparoscopic
Colectomy Sigmoidectomy with Robotic Assist
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Excision of Rectal Tumor
Hemorrhoidectomy or Excision of Anal Tags
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
Salpingectomy with Robotic Assist
Salpingo Oopherectomy
Sphincterotomy
Total Salpingectomy With Robotic Assistance
Wedge Resection Colon
Anal Prolapse
Anal Sphincter Dysplasia
Appendicitis
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Bladder Diverticulum
Bone Cancer
Breast Cancer
Cholecystitis and Gallstones
Congenital Anomaly Intestine
Diaphragmatic and Hiatal Hernia
Gallbladder and Biliary Tract Cancer
Gallstones
Gastric Ulcer
Gastroparesis
Gynecologic Cancer
Hiatal Hernia
Hidradenitis
Hirschsprung's Disease
Hyperparathyroidism
Incisional Hernia
Inguinal Hernia
Intestinal Abscess
Intestinal Fistula
Intestinal Prolapse
Ischemic Colitis
Lipomas
  • View other providers who treat Lipomas
Lung Cancer
Meckel's Diverticulum
Megacolon
Neoplasm of Gastrointestinal Tract
Neuroendocrine Tumors
Parathyroid (Gland) Disease
Partial Lung Collapse
Pelvic Abscess
Peptic Ulcer
Peripheral Vascular Disease (PAD, PVD)
Phlebitis and Thrombophlebitis
Pleural Effusion
Pouchitis
Pyloric Stenosis
Rectovaginal Fistula
Rib Fracture
Ruptured Aortic Aneurysm
Secondary Malignancies
Soft Tissue Sarcoma
Stomach and Small Intestine Cancer
Thoracic Outlet Syndrome
Thyroid Cancer
Thyroid Nodule
Ulcerative Colitis
Varicose Veins
Vascular Insufficiency of Intestines
Ventral Hernia
Abdominal Surgery
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Anal Cauterization
Appendectomy
Arterial Catheterization with Robotic Assist
Bladder Stimulator Implant
Cancer Surgery
Cholecystectomy with Robotic Assist
Colostomy
Debridement
Destruction of Anal Tumor
Endoscopy (Esophagus, Stomach, Small Intestine)
Enterostomy (Laparoscopic or Open)
Excision of Anal Tags
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Gallbladder Removal
Gallbladder Removal (Cholecystectomy)
Gastrectomy
Gastrectomy with Robotic Assist
Laparoscopic Appendectomy
Laparoscopic Gallbladder Removal (Cholecystectomy)
Laparoscopic Incisional Hernia Repair
Laparoscopic Umbilical or Ventral Hernia Repair
Laparoscopy
Laparotomy
Liver Biopsy
Lymph Node Biopsy or Excision
Muscle Biopsy
Open Incisional or Ventral Hernia Repair
Peripheral Artery Catheterization
Procetectomy With Robotic Assist
Proctectomy
Splenectomy
Splenectomy with Robotic Assist
Splenorrhaphy
Thyroid Surgery
Vaginal Prolapse Surgery
Ventral Hernia Repair Laparoscopic
Ventral Hernia Repair Open
Check your insurance
    Close Icon
    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Affinity Health Plan
    • Anthem
    • Arise Health Plan
    • Assurant Health
    • AvMed
    • Blue Cross Blue Shield
    • Buckeye Community Health Plan
    • Cigna
    • EmblemHealth
    • Health Net
    • Healthfirst
    • HealthPartners
    • HealthSmart
    • Humana
    • MagnaCare
    • Medica
    • Midwest Health Plan
    • MVP Health Care
    • Oxford Health Plans
    • Paramount
    • PreferredOne
    • Priority Health
    • Rocky Mountain Health Plans
    • SummaCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    3.6
    Average provider rating
    Based on 14 ratings
    Patient Ratings (14)
    5 Star
    (9)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (5)
    Leave a review

    How was your appointment with Dr. Greenwald?

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    Photo: Dr. Marc Greenwald, MD
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    Dr. Greenwald's Office & Staff

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    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Greenwald

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Marc Greenwald, MD

    Specialties*
    • Colorectal Surgery

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 39 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
    Languages Spoken
    • English, Spanish
    Languages Spoken
    NPI Number
    • 1174618557
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • Cornell University
    Medical Education
    Board Certifications
    • Colon & Rectal Surgery and General Surgery
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Marc Greenwald, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Greenwald is offering online scheduling or call the provider’s office for more information.

    Dr. Greenwald has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Greenwald works at Northwell Health Physician Partners Surgical Specialties at Great Neck in Great Neck, NY. View the full address on Dr. Greenwald’s profile.

    Dr. Greenwald has seen patients for Colorectal Cancer, and more. You can see other conditions treated by Dr. Greenwald on their profile. Please call the provider’s office to confirm all visit reasons.

    14 patients have reviewed Dr. Greenwald. The overall rating for this provider is 3.6. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Greenwald.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Greenwald, there are benefits to both methods. A person calling to schedule an with Dr. Greenwald appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Greenwald, or would you like to choose another provider and have an online appointment right now?
    Find provider online now
    Call now to make an appointment
    (516) 482-8657

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