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Dr. Alexander Greenstein, MD

General Surgery*
4.9 (74)
Map Pin Small New York, NY
Accepting new patients
21 years of experience

Offers telehealth

Overview of Dr. Alexander Greenstein, MD

Dr. Alexander Greenstein, MD is a General Surgery Specialist in New York, NY. They specialize in General Surgery, has 21 years of experience, and is board certified in General Surgery. They graduated from Weill Cornell Medical College and is affiliated with Mount Sinai Hospital. Dr. Greenstein, completed a residency at Mount Sinai Hospital. Patients rated Dr. Greenstein an average 4.9 star rating.

Dr. Greenstein works at May Center for Mount Sinai Doctors in New York, NY. They frequently treat conditions like Crohn's Disease 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.

Dr. Greenstein's Office Locations

  1. 1
    May Center for Mount Sinai Doctors
    5 E 98th St # 1259, New York, NY 10029 Icon Directions Right Arrow Directions Phone Icon (845) 295-1841

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
Wedge Resection Colon
Crohn's Disease

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
Wedge Resection Colon
Crohn's Disease
Inflammatory Bowel Disease
Intestinal Obstruction
Partial Lung Collapse
Enterostomy (Laparoscopic or Open)
Procetectomy With Robotic Assist
Proctectomy
Cholecystitis and Gallstones
Gallstones
Ileus
  • View other providers who treat Ileus
Pelvic Abscess
Ulcerative Colitis
Ventral Hernia
Cholecystectomy with Robotic Assist
Colectomy Laparoscopic
Colectomy Sigmoidectomy with Robotic Assist
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Gallbladder Removal
Laparoscopic Appendectomy
Laparoscopic Gallbladder Removal (Cholecystectomy)
Abdominal Pain
Acute Bowel Infarction
Anal and Rectal Cancer
Anal Fissure
Anal or Rectal Pain
Anorectal Abscess
Anorectal Fistula
Appendicitis
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Biliary Atresia
Bowel Strangulation
Brain Injury
Cholangiocarcinoma
Colorectal Cancer
Congenital Anomaly Intestine
Constipation
Diaphragmatic and Hiatal Hernia
Gallbladder Cancer
Gastric Ulcer
Gynecologic Cancer
Hemorrhoids
Hiatal Hernia
Hiatal Hernia with Obstruction
Incisional Hernia
Intestinal Abscess
Intestinal Diverticulosis
Ischemic Colitis
Lipomas
  • View other providers who treat Lipomas
Meckel's Diverticulum
Median Arcuate Ligament Syndrome (MALS)
Megacolon
Peptic Ulcer
Peripheral Arterial Aneurysm and Dissection
Peripheral Arterial Dissection
Peripheral Vascular Disease (PAD, PVD)
Phlebitis and Thrombophlebitis
Pleural Effusion
Pouchitis
Pyloric Stenosis
Secondary Malignancies
Small Intestine Cancer
Soft Tissue Sarcoma
Stomach and Small Intestine Cancer
Toxic Megacolon
Traumatic Brain Injury
Umbilical Hernia
Vascular Insufficiency of Intestines
Abdominoplasty
Abscess or Fluid Incision and Drainage
Anal Fistulectomy or Fistulotomy
Augmentation Cystoplasty
Biliary Drainage
Bladder Surgery
Colostomy
Cystotomy
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
Excision
  • View other providers who treat Excision
Excision of Bile Duct Tumor
Excision of Esophageal Lesion
Excision of Rectal Tumor
Excision of Stomach Tumor
Fecal Impaction Removal
Gallbladder Removal (Cholecystectomy)
Gastrectomy
Gastrectomy with Robotic Assist
Gastric Bypass Surgery
Gastrotomy
Hemorrhoidectomy or Excision of Anal Tags
Hernia Repair
Intestinal Transplant (incl. Enterectomy)
Laparoscopic Excision or Destruction of Ovary
Laparoscopic Incisional Hernia Repair
Laparoscopic Inguinal Hernia Repair
Laparoscopic Removal of Stones from Biliary Tract
Laparoscopic Umbilical or Ventral Hernia Repair
Laparotomy
Liver Biopsy
Lymph Node Biopsy or Excision
Lymphadenectomy with Robotic Assist
Lymphadenectomy With Robotic Assistance
Open Appendectomy
Open Incisional or Ventral Hernia Repair
Open Inguinal Hernia Repair
Peripheral Artery Catheterization
Port Placements or Replacements
Pyloromyotomy
Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
Revision of Gastric Anastomosis or Restrictive Procedure
Salpingectomy with Robotic Assist
Salpingo Oopherectomy
Sphincterotomy
Spinal Nerve Block
Splenectomy
Splenectomy and Splenorrhaphy
Total Salpingectomy With Robotic Assistance
Tracheal Surgery
Umbilical Hernia Repair Open
Vaginal Prolapse Surgery
Vaginectomy
Ventral Hernia Repair Laparoscopic
Wedge Resection Stomach
Wound Repair
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    Insurance Accepted

    • Aetna
    • Amerihealth
    • Anthem
    • Blue Cross Blue Shield
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Humana

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews

    4.9
    Average provider rating
    Based on 74 ratings
    Patient Ratings (74)
    5 Star
    (71)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (2)
    1 Star
    (1)
    Leave a review

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    Dr. Greenstein'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. Greenstein

    • 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. Alexander Greenstein, MD

    Specialties*
    • General 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
    • 21 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
    Languages Spoken
    Gender
    • Male
    Gender
    NPI Number
    • 1992964035
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Ohsu Hospital and Clinics
    Fellowship
    Residency
    • Mount Sinai Hospital
    Residency
    Internship
    • New York Presbyterian Hospital - New York Weill Cornell Center
    Internship
    Medical Education
    • Weill Cornell Medical College
    Medical Education
    Board Certifications
    • 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.

    Hospital Affiliations

    • Mount Sinai Hospital

    Frequently Asked Questions

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

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

    Dr. Greenstein works at May Center for Mount Sinai Doctors in New York, NY. View the full address on Dr. Greenstein’s profile.

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

    74 patients have reviewed Dr. Greenstein. The overall rating for this provider is 4.9. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Greenstein.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Greenstein, there are benefits to both methods. A person calling to schedule an with Dr. Greenstein 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.

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