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Meet the Team | 1-877-WHY-WEIGHT

Dr. Tallal Zeni  
Medical Director, Minimally Invasive and Bariatric Surgery, St. Mary Mercy Livonia

Dr. Zeni joined the St. Mary Mercy Hospital's Medical Staff in 2005. He is board certified in general surgery and fellowship trained in advanced laparoscopic and bariatric surgery at Evanston Northwestern Healthcare, Evanston IL. Dr. Zeni has also conducted research in bariatric surgery and recently presented his research at two National and International Surgical Meetings. He performs surgery at St. Mary Mercy Livonia and St. Joseph Mercy Oakland in Pontiac.

 Dr. Zeni received his undergraduate degree from Purdue University. He graduated from medical school at Indiana University School of Medicine where he also did his residency. He completed his fellowship at Evanston Northwestern Healthcare and is board certified by the American Board of Surgery. He is a professional member of SAGES, SLS, ACS and ASMBS.

Dr. Zeni is interested in minimally invasive/advanced laparoscopic surgery including:

  • Roux-en-Y Gastric Bypass
  • Sleeve Gastrectomy
  • Adjustable Gastric Banding
  • Hiatal Hernia Repair and Nissen Fundoplication
  • Gastric Resections
  • Splenectomy
  • Colectomy
  • Incisional Hernia Repairs
  • Inguinal Hernia Repairs
  • Cholecystectomy
  • Appendectomy
  • Nephrectomy

Dr. Jacob Roberts 
Medical Director, Bariatric Surgery, St. Joseph Mercy Oakland

Dr. Jacob Roberts, Advanced Laparoscopic General and Bariatric Surgeon, is a part of the St. Mary Mercy Medical Staff.  He is working with Tallal Zeni, MD at the Michigan Bariatric Institute and Advanced Laparoscopic Surgical Associates.  He is performing surgeries at both St. Mary Mercy Hospital in Livonia and St. Joseph Mercy Oakland in Pontiac.

Dr. Roberts received his undergraduate degree at Michigan State University. He then went to medical school at Michigan State University College of Osteopathic Medicine. His residency was at St. John Oakland Hospital and his fellowship was at Evanston Northwestern Healthcare. He is board certified by the American Board of Osteopathic Medicine.

Dr. Roberts is interested in minimally invasive/advanced laparoscopic surgery including:

  • Roux-en-Y Gastric Bypass
  • Sleeve Gastrectomy
  • Adjustable Gastric Banding
  • Cholecystectomy
  • Hiatal Hernia Repair and Nissen Fundoplication
  • Incisional and Inguinal Hernia Repair
  • Splenectomy
  • Gastric Resections
  • Colectomy
  • Appendectomy
  • Anti-Reflux Surgery
  • Benign & Malignant Breast Surgery

Professional Memberships

  • SAGES
  • ACOS
  • AOA
  • ASMBS

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Dr. Zubin Bhesania  
Bariatric Surgeon at St. Joseph Mercy Port Huron

Dr Zubin BhesaniaA surgeon at Huron Surgical Clinic, PC, Zubin Bhesania, MD, received his medical degree from the University of Western Ontario in 1993, and completed his surgical residency at St. John Hospital in Detroit. 

Board Certified by the American Board of Surgery, Dr. Bhesania was the first surgeon in the state of Michigan to actively perform lap band surgery and has been involved in several lap band research studies. In addition, he serves as Surgical Proctor, providing lap band surgical training to other surgeons across the nation. Highly skilled and qualified, he is a fellow of the American College of Surgeons and a member of the American Society of Metabolic and Bariatric Surgery.

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Dr. Anthony W. Boutt  
Bariatric Surgeon at St. Joseph Mercy Port Huron

Dr Anthony BouttAnthony W. Boutt, MD, has been on staff at St. Joseph Mercy Port Huron since 2002 and has provided general and bariatric surgical services through Huron Surgical Clinic, PC.

Dr. Boutt obtained his medical degree from Wayne State University in 1997, and completed his general surgical residency at St. John Hospital and Medical Center in 2002. He has been trained and certified in providing bariatric surgery for a number of years. He is highly honored and has received numerous awards for his work in laparoscopic surgical services. Dr. Boutt is a member of the American College of Surgeons and the American Society for Metabolic and Bariatric Surgery.

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Paula Magid
Program Director at St. Mary Mercy Livonia & St. Joseph Mercy Oakland

Paula Magid has been MBI's Program Director from the beginning of the program, in 2005. She has an extensive background in Occupational Therapy/Rehabilitation Services, which she still practices in today. She began working in bariatrics in 2004 when she realized she found her passion. Paula is also a RNY Gastric Bypass post-operative patient and has lost 160lbs. She is very compassionate and understanding with the bariatric patients as they look to her as a role model. Her interest and knowledge in bariatric surgery, weight discrimination and prejudice led to co-authoring a book for weight loss surgery patients with Angela Van De Ven (Bickman) and Dr. Steven Baum entitled From the Inside Out: Resolving Obesity Through the New Science of Bariatrics.

Paula is a proud wife, mother of 2, and grandmother to 3 beautiful boys. She likes to spend her spare time with her family as much as possible. She loves to travel and then scrapbook the fond memories of all her trips.

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Cambi Hempstead, RN, BSN, MSA
Program Director

Cambi Hempstead comes to St. Joseph Mercy Port Huron with 25 years of nursing experience and five years of leadeship experience. Most recently she served as Director of Outpatient and Women and Children's Services. She received her nursing education from Bronson School of Nursing and the University of Michigan. She holds a master's degree in Health Administration from Central Michigan University.

A Lap Band patient herself, Cambi is the mother of two daughters. Her passion is working with children and families struggling with obesity.

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Jessica Boldizar, CMA Medical Assistant

Jessica joined MBI in October 2014. She graduated in 2010 from Schoolcraft College with a degree in Medical Assisting. She completed her externship at U of M. Previously, she worked as a Medical Assistant for a Primary Care Doctor's officer.

She enjoys reading and spending time with her husband, kids, family and friends.

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Jennifer Montressor, NP-C Program Nurse Practitioner

Jennifer Montressor joined MBI in September 2014, graduating from the Family Nurse Practitioner program at the University of Detroit Mercy. She has a wide variety of nursing experience, predominantly in the role of registered nurse first assistant in the operating room. This has provided her with a strong foundation and knowledge base in surgical procedures as well as the pre-operative and post-operative management of patients. She has also had clinical rotations in internal medicine, neurosurgery, women's health and orthopedics.

Jennifer is married with three grown children and one grandson. In her free time she enjoys playing softball, reading, traveling, and exploring Michigan with her husband on their Harleys.

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St. Mary Mercy Livonia and St. Joseph Mercy Oakland Team

Dr. Talal Zeni
Bariatric Surgeon

Dr. Jacob Roberts
Bariatric Surgeon

Paula Magid
Program Director

Jenny Kasprzyk
Program Manager

Tamara Lark
Program Dietitian

Katie Tuomi
Program Dietitian

Angie Van De Ven
Patient Coordinator

Sheila Thompson
Data Abstraction Specialist

Kelly Johnson
Program Psychologist

Rebecca Johnson
General Surgery Coordinator

Jessica Boldizar
Medical Assistant

Jennifer Montressor
Program Nurse Practitioner


St. Joseph Mercy
Port Huron Team

Dr. Zubin Bhesania
Bariatric Surgeon

Dr. Anthony Boutt
Bariatric Surgeon

Cambi Hempstead
Program Director

Chelsea Coaster
Center Dietician

Debbie Hischke
Center Nurse

A Member of Trinity Health