Publications:8
Video Visit Available
Accepting New Patients
- Mount Sinai Doctors
- Treats Adults
- Video Visit Available
- Accepting New Patients
Eugenius J Harvey, MD
Surgery, Bariatric Surgery
About Me
Dr. John Harvey – Board-Certified Bariatric, General, and Trauma Surgeon in New York City; Board-Certified in Obesity Medicine.
Dr. John Harvey is a board-certified general surgeon with over 20 years of experience in bariatric surgery, weight loss management, general surgery, and trauma surgery in New York City. He has performed more than 1,500 bariatric procedures, including complex primary and revisional weight loss surgeries, with a track record of excellent outcomes and patient safety.
Dr. Harvey specializes in minimally invasive surgery, using the latest laparoscopic and robotic techniques in areas such as foregut surgery and hernia repair. His commitment to advanced surgical care ensures faster recovery times and improved patient satisfaction.
Specializing in Comprehensive Weight Management
Dr. Harvey has a strong clinical interest in comprehensive weight management and is board-certified by the American Board of Obesity Medicine. He develops personalized treatment plans combining:
• Lifestyle modification
• GLP-1 receptor agonists (e.g., semaglutide, tirzepatide)
• FDA-approved weight loss medications
• Endoscopic weight loss procedures
• Metabolic and bariatric surgery
His goal is to help patients achieve and maintain their weight loss goals through safe, effective, and sustainable treatment pathways.
Leadership and Education
Dr. Harvey is Associate Director of the Advanced GI Minimally Invasive & Bariatric Surgery Fellowship Program at the Mount Sinai Health System, where he trains medical students, residents, and fellows in advanced surgical techniques and comprehensive obesity care.
He also serves as Unit Medical Director of the 8 East Surgical Unit at Mount Sinai Morningside, collaborating with nursing leadership in a dyad model. Using LEAN methodology, Dr. Harvey leads initiatives to improve patient safety, staff well-being, and operational efficiency. He was honored with the Department of Nursing’s Physician of the Year Award in 2022.
Referrals and Online Presence
Dr. Harvey welcomes referrals from across the five boroughs of NYC, Long Island, Westchester, and New Jersey. Patients consistently rate him highly on platforms such as:
• Google
• ZocDoc
• HealthGrades
• Doximity
• Facebook
• YouTube
Whether you're seeking expert surgical care or comprehensive weight management, Dr. Harvey is committed to delivering personalized, evidence-based treatment with compassion and excellence.
Language
English, Spanish
Position
ASSOCIATE PROFESSOR | Surgery
Hospital Affiliations
- Mount Sinai Morningside
- Mount Sinai Beth Israel
- The Derfner Foundation Ambulatory Surgery Center
- Mount Sinai Brooklyn
- Mount Sinai Queens
- The Mount Sinai Hospital
- New York Eye and Ear Infirmary of Mount Sinai
- Mount Sinai West
Clinical Focus
- Abdominal Hernia
- Abdominal Surgery
- Abdominal Wall Surgery
- Acid Reflux / Heartburn
- Adrenal Gland Tumors
- Adrenalectomy
- Adrenalectomy-Laparoscopic Surgery
- Antireflux Surgery
- Appendectomy
- Appendicitis
- Appendix Cancer
- Bariatric Surgery
- Benign Neoplasm
- Carcinoid Tumors
- Cholecystectomy
- Cholecystitis
- Colectomy
- Colectomy-Laparoscopic Surgery
- Colon Surgery
- Colorectal Cancer
- Diaphragmatic Hernia
- Diverticulitis
- Dyspepsia
- Dysphagia
- Endocrine Pancreas Tumors
- Endocrine Surgery
- Endocrine Tumors
- Enterostomy
- Epigastric hernia repair
- Exploratory Laparotomy
- Fistula
- Fundoplication-Laparoscopic Surgery
- Gallstones
- Gastrectomy
- Gastric Bypass Consultation
- Gastric Bypass Nutrition
- Gastric Lesion
- Gastric Mass
- Gastric Tumor
- Gastric Ulcer
- Gastritis
- Gastrointestinal Bleeding
- General Consultation
- Hernia Repair
- Hiatal Hernia
- Inguinal hernia repair
- Laceration Repair
- Laparoscopic Adjustable Gastric Band
- Laparoscopic Hernia Repair
- Laparoscopic Intestinal Surgery
- Laparoscopy
- Lipoma
- Lymph Node Biopsy
- Lymphedema
- Lysis Of Adhesions
- Minimally Invasive Surgery
- Neuroendocrine Tumors
- Obesity Nutrition Consultation
- Obesity Screening And Management
- Overweight/Obesity
- Pancreatic Surgery
- Pancreatitis
- Paraesophageal Hernia
- Paraesophageal Surgery
- Peptic Ulcer
- Peritonitis
- Pheochromocytoma
- Pheochromocytomas And Paragangliomas
- Pilonidal Cyst
- Robot-Assisted Surgery - Overview
- Robotic Incisional Hernia Repair
- Robotic Ventral Hernia Repair
- Sebaceous Cyst
- Sleeve Gastrectomy
- Small Bowel Cancer
- Small Bowel Obstruction
- Small Bowel Resection
- Soft Tissue Mass
- Spleen Surgery
- Splenectomy
- Splenic Lesion / Mass
- Stomach Cancer
- Surgery Second Opinion
- Trauma
- Trauma Surgery Consultation
- Umbilical hernia repair
- Ventral hernia repair
- Weight Loss Consultation
- Weight Loss Surgery Consultation
- Weight Management
- Weight Management Assessment
- Wound Care
- Wound Dehiscence
Education
MA Hons oxon, Oxford University
MD, Royal Free Hospital School of Medicine
Residency, Surgery (General Surgery)
St. Luke's-Roosevelt Hospital Center
Fellowship, Surgery, Laparoscopic
Mount Sinai Hospital
Certifications
American Board of Surgery
Research
Dr. Harvey is actively engaged in research focused on comprehensive weight management and metabolic and bariatric surgery, with a particular interest in optimizing outcomes through personalized, multimodal treatment strategies. His current work explores the integration of pharmacologic therapies, endoscopic interventions, and surgical approaches to improve long-term weight loss and metabolic health.
Earlier in his career, Dr. Harvey contributed to the development of innovative surgical techniques, including single-incision laparoscopic surgery and natural orifice transluminal endoscopic surgery (NOTES) -- both aimed at reducing surgical trauma and improving recovery times.
Dr. Harvey has presented his research at numerous national and international conferences, reflecting his commitment to advancing the field of minimally invasive and bariatric surgery through academic scholarship and clinical innovation.
Insurance Information
Accepted insurance may vary by the doctor’s office location. Please contact the office directly to obtain the most up-to-date insurance information.
- 1199 SEIU
- AETNA - Commercial
- AETNA - Medicare
- Affinity Medicaid-Medicare-Essential Exchange
- Amidacare Medicaid
- CIGNA Healthcare
- Centivo
- Elderplan
- EmblemHealth - GHI-PPO
- EmblemHealth - HIP
- EmblemHealth - HIP-Medicaid
- EmblemHealth - HIP-Medicare
- Empire Blue Cross Blue Shield - Commercial/Exchange
- Empire Blue Cross Blue Shield - HealthPlus Medicaid
- Empire Blue Cross Blue Shield - Medicare
- Fidelis Health Care
- HealthFirst Medicaid
- HealthFirst Medicare
- Horizon NJ
- Magnacare-Health Care
- Medicare - NJ
- Medicare - NY
- Metroplus
- Multiplan PHCS
- NJ Medicaid
- NY Medicaid
- Oscar
- Oxford - Freedom and Liberty
- Partners Health Plan
- Senior Whole Health
- United Health Care - Commercial
- United Health Care - Empire Plan
- United Health Care - Oxford Care
- United Health Care - Top Tier
- VNSNY Choice Medicare
- VNSNY Select Health Medicaid
- VillageCareMax
- WellCare Health Plan
Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).
Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.
Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.
Publications
Selected Publications
- Wernicke Encephalopathy After Bariatric Surgery: a Literature Review. Allen T. Yu, Aliza Gross, Koji Park, Eugenius J. Harvey. Obesity Surgery
- Delayed Post-cholecystectomy Gallbladder Fossa Abscess Due to Citrobacter freundii. Eugenius Harvey. Cureus
- Duodenal Adenocarcinoma in the Setting of Bariatric Surgery: A Perfect Storm for Wernicke’s Encephalopathy. Eugenius Harvey. Cureus
Patient Experience Star Ratings and Comments
The Patient Experience Star Rating reflects our patients’ perception of how well their Mount Sinai provider communicated with them during an office visit. The Star Rating is based on patient responses to three questions on a patient experience survey, a standardized questionnaire sent to verified patients and distributed by a third party vendor, Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score.
Care Provider’s Explanation
4.7 out of 5
Care Provider’s Concern
4.7 out of 5
Likelihood to Recommend Care Provider
4.8 out of 5
Industry Relationships
Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.
Dr. Harvey has not yet completed reporting of Industry relationships.
Mount Sinai’s faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.