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Best Bariatric Surgeons in Ontario

Written by Andrew Le, MD

Updated October 11, 2024

Introduction to Bariatric Surgery in Ontario

Definition and purpose of bariatric surgery

Bariatric surgery encompasses various surgical procedures designed to help individuals with severe obesity achieve significant weight loss.

These procedures typically involve reducing the size of the stomach or altering the digestive system to limit food intake and absorption.

Common types include gastric bypass, sleeve gastrectomy, and adjustable gastric banding.

Bariatric surgery can lead to substantial improvements in obesity-related health conditions such as type 2 diabetes, hypertension, and sleep apnea.

It often results in long-term weight loss, enhanced quality of life, and increased longevity for qualifying patients.

Importance of choosing the right bariatric surgeon

Selecting a skilled and experienced bariatric surgeon is a significant factor in ensuring positive outcomes and minimizing potential complications.

The expertise of the surgeon can influence the success of the procedure, recovery time, and long-term weight loss maintenance.

Patients should consider factors such as the surgeon's qualifications, experience, and patient satisfaction rates when making their choice.

In Ontario, there are several highly rated bariatric surgeons with impressive credentials and positive patient reviews.

For instance, Dr. David Davtyan and Dr. Sivaprasad Mullangi both have high star ratings and extensive experience in bariatric surgery.

Long-term success in weight loss and health improvement is closely tied to the quality of care provided by the chosen surgeon and their support team.


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List of Bariatric Surgeons in Ontario

Dr. David Davtyan

Dr. David Davtyan

4.6

Ontario, CA

Sex

Male

Languages

English, Armenian, French, Romanian, Russian, Spanish

Phone

(310) 652-1777

American Board of Surgery

John Wayne Cancer Institute: Fellowship in Surgical Oncology (Fellowship Hospital, 1997)

John Wayne Cancer Institute: Fellowship in Surgical Oncology|John Wayne Cancer Institute: National Institute of Health Clinical and Research Fellowship in Surgical Oncology|UCLA Department of Surgery: American Cancer Society Clinical and Research Fel (Fellowship Hospital, 1997)

University Of Texas Houston, Department of Surgery. M.D. Anderson Cancer Center: General Surgery Residency (Residency Hospital, 1996)

John Wayne Cancer Institute: National Institute of Health Clinical and Research Fellowship in Surgical Oncology (Fellowship Hospital, 1992)

UCLA Department of Surgery: American Cancer Society Clinical and Research Fellowship in Surgical Oncology (Fellowship Hospital, 1991)

Memorial Hermann Texas Medical Center (Internship Hospital, 1990)

University of California, Los Angeles David Geffen School of Medicine (Medical School, 1989)

Institute of Medicine Bucuresti (Undergraduate School, 1985)

English

Armenian

French

Romanian

Russian

Spanish

Ronald Reagan UCLA Medical Center

Cedars-Sinai Medical Center

Santa Monica UCLA Medical Center and Orthopaedic Hospital

Bariatric Surgery

Gastroenterology

Breast Surgical Oncology

Dr. Sivaprasad Mullangi

Dr. Sivaprasad Mullangi

4.3

Ontario, CA

Sex

Male

Languages

English, Hindi, Spanish, Telugu

Phone

(909) 315-6399

American Board of Surgery

Sri Venkateswara Medical College (Medical School)

Detroit Medical Center-Wayne State University (Fellowship Hospital, 2012)

Bronx Lebanon Hospital Center (Residency Hospital, 2007)

North General Hospital (Internship Hospital, 1995)

Postgraduate Institute Of Med Education and Research Chandigarh (Residency Hospital, 1988)

English

Hindi

Spanish

Telugu

Emanate Health Foothill Presbyterian Hospital

Pomona Valley Hospital Medical Center

UCI Health-Placentia Linda

General Surgery

Bariatric Surgery

Laparoscopic Surgery

PF

Dr. Peter Fedorka

3.9

Ontario, CA

Sex

Male

Languages

English

Phone

(909) 724-2379

American Board of Surgery

University of California, Los Angeles David Geffen School of Medicine (Medical School, 2001)

English

Kaiser Permanente Fontana Medical Center

Bariatric Surgery

General Surgery

PC

Dr. Philip Chin

3.8

Ontario, CA

Sex

Male

Languages

English, Spanish

Phone

(833) 574-2273

American Board of Surgery

City of Hope Natl Medical Center (Fellowship Hospital, 1995)

Royal Devon and Exeter Healthcare Nhs Trust (1994)

Medical College Wis (Internship Hospital, 1990)

Northwestern University Feinberg School of Medicine (Medical School, 1989)

English

Spanish

Kaiser Permanente Fontana Medical Center

Bariatric Surgery

General Surgery

RM

Dr. Robert Maki

1.0

Ontario, CA

Sex

Male

Languages

English

Phone

(877) 521-9779

English

Naturopathy

Endocrinology, Diabetes & Metabolism

Bariatric Medicine

Selecting a Bariatric Surgeon in Ontario

Factors to consider

Board certification and specializations

  • Review American Board of Surgery certifications
  • Consider additional specialties like Gastroenterology or Laparoscopic Surgery

Experience and track record

  • Evaluate years of practice and number of procedures performed
  • Check hospital affiliations (e.g., Kaiser Permanente Fontana Medical Center)

Patient reviews and ratings

  • Examine star ratings and number of reviews on platforms like Healthgrades
  • Compare ratings across multiple surgeons (e.g., Dr. Davtyan's 4.6 vs. Dr. Mullangi's 4.3)

Understanding the doctor selection process

Initial research and referrals

  • Use online resources like Healthgrades to create a shortlist
  • Seek referrals from primary care physicians or local hospitals

Insurance considerations

  • Verify if surgeons are in-network with your insurance provider
  • Understand coverage for bariatric procedures

Consultation process

  • Schedule initial consultations with top candidates
  • Prepare questions about surgical techniques, experience, and outcomes
  • Assess communication style and comfort level with the surgeon

Top-Ranked Bariatric Surgeons in Ontario

Dr. David Davtyan

Professional Background

  • Board-certified by the American Board of Surgery
  • Specializes in Bariatric Surgery, Gastroenterology, and Breast Surgical Oncology
  • Extensive educational background including fellowships at John Wayne Cancer Institute and UCLA

Patient Satisfaction

  • Impressive 4.6-star rating based on 41 patient reviews
  • Multilingual: fluent in English, Armenian, French, Romanian, Russian, and Spanish

Practice Information

  • Contact number: (310) 652-1777
  • Affiliated with prestigious institutions including Ronald Reagan UCLA Medical Center and Cedars-Sinai Medical Center

Dr. Sivaprasad Mullangi

Expertise

  • Specializes in General Surgery, Bariatric Surgery, and Laparoscopic Surgery
  • Board-certified by the American Board of Surgery
  • Fellowship at Detroit Medical Center-Wayne State University

Patient Reviews

  • Strong 4.3-star rating from 24 patient reviews
  • Proficient in multiple languages: English, Hindi, Spanish, and Telugu

Practice Details

  • Contact number: (909) 315-6399
  • Affiliated with Emanate Health Foothill Presbyterian Hospital and Pomona Valley Hospital Medical Center

Dr. Peter Fedorka

Professional Profile

  • Focuses on Bariatric Surgery and General Surgery
  • Board-certified by the American Board of Surgery
  • Graduated from University of California, Los Angeles David Geffen School of Medicine

Patient Feedback

  • 3.9-star rating based on 11 patient reviews
  • Primarily English-speaking

Practice Information

  • Contact number: (909) 724-2379
  • Affiliated with Kaiser Permanente Fontana Medical Center

Additional Resources for Choosing a Bariatric Surgeon in Ontario

Online Platforms for Doctor Reviews

Healthgrades

  • Detailed doctor profiles
  • Patient ratings and reviews
  • Educational background and certifications

Tips for Interpreting Online Reviews

  • Look for consistent themes across reviews
  • Consider the number of reviews
  • Pay attention to specific experiences rather than general comments

Professional Organizations and Accreditations

American Society for Metabolic and Bariatric Surgery (ASMBS)

  • Member directory
  • Educational resources for patients
  • Latest research and guidelines

Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP)

  • List of accredited centers
  • Standards for patient care and outcomes
  • Quality improvement initiatives

Questions to Ask During Consultations

Surgical Techniques and Options

  • Types of procedures offered
  • Surgeon's experience with each technique
  • Potential risks and benefits

Pre and Post-Operative Care

  • Pre-surgery preparation requirements
  • Expected recovery timeline
  • Follow-up appointment schedule

Long-term Support and Follow-up

  • Availability of nutritional counseling
  • Support groups or programs
  • Long-term success rates and maintenance strategies