Denis Halmi


Masoud Rezvani


Jan Ford


Denis Halmi, MD, FACS, FASMB

Bariatric Surgeon, Certified by the American Board of Surgery

Bariatrician, Certified by the American Board of Obesity Medicine

Dr. Halmi is a graduate of the Semmelweiss Medical University in Budapest, Hungary and completed his training in General Surgery at the Brooklyn-Downstate Medical Center in New York. He has more than 20 years of experience with the surgical treatment of morbid obesity, has performed over 3500 weight loss operations and gained special expertise in complex minimally invasive revisional weight loss surgery. He has contributed several research papers in this area and had numerous presentations at national and international professional conferences.

In 2006 he was one of the first surgeons in Virginia to earn the designation of Center of Excellence in Bariatric Surgery. He is a Fellow of the American College of Surgeons, member of the American Society of Metabolic and Bariatric Surgery and the International Federation for the Surgery of Obesity. He is also certified by the American Board of Obesity Medicine in the medical treatment of obesity and associated metabolic problems. Dr. Halmi works with a multidisciplinary team of professionals devoted to the care and treatment of the severely obese.

Masoud Rezvani, MD, FACS, FASMB

Bariatric and General Surgeon and Surgical Endoscopist Certified by the American Board of Surgery

Dr. Masoud Rezvani earned his medical degree at the Islamic Azad University in Tehran, Iran. He has completed a residency training program in General Surgery at Abington Memorial Hospital in Abington, Pennsylvania. Following his residency Dr. Rezvani practiced as a general surgeon attending for few years and then he became interested in weight loss and metabolic surgery. He has completed a specialized fellowship in minimally invasive weight loss surgery at Abington Memorial Hospital, the busiest center of weight loss surgery in Philadelphia area,  where he has gained expertise and experience in advanced laparoscopic bariatric surgery, robotic surgery and surgical endoscopy. His training also includes robotic surgery utilizing the DaVinci System to perform weight loss surgery.

Dr. Rezvani has received numerous awards for his work during his career as a surgeon and has several scientific articles published in the most respected professional publications including the official journal of The American Society for Metabolic and Bariatric Surgery (SOARD) which is the most scientific and intellectual journal for obesity surgery topic.


Dr. Rezvani is board certified by the American Board of Surgery and he is a Fellow of the American College of Surgeons (FACS). He is an active member of several professional organizations including the American Society for Metabolic and Bariatric Surgery (ASMBS), and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES).


Dr. Rezvani has performed more than 2,000 laparoscopic weight-loss operations in the last few years.  Patients entrust their care to him more often than any other provider in Northern Virginia; he is the highest volume bariatric surgeon in the region.


Dr. Rezvani performs different kinds of obesity surgery such as Gastric Band placement, Sleeve Gastrectomy, Roux-en-Y Gastric Bypass, Biliopancreatic Diversion with Duodenal Switch (BPD-DS), Endoscopic Intragastric Balloon placement, all kind of Revision surgery and Endoscopic Revision procedures.


In addition, Dr. Rezvani performs all general surgery procedure such as gallbladder, appendix, stomach surgery, hernias, colon surgery, small intestine and soft tissue procedures with both minimally invasive method and robotic method.


Dr. Rezvani strongly believes that bariatric surgery is among the more demanding surgical disciplines, technically and intellectually. He has devoted 100% of his professional effort to obesity surgery. He is licensed to practice medicine in states of Virginia, Maryland and Pennsylvania.

Meredith Hill, RDN

Registered Dietitian, Nutritionist

Meredith Hill is proud to be a Registered Dietitian Nutritionist. She graduated Cum Laude from the University of Nebraska with a Bachelor of Science in Education and Human Sciences. She went on to complete her Dietetic Internship at Mount Carmel College of Nursing in Columbus, Ohio. 


Meredith has been providing nutritional counseling with Dr. Halmi and Dr. Rezvani for over 3 years now and has helped hundreds of people to lose weight and keep it off, thus dramatically improving the quality of their lives.


Meredith has successfully completed Levels 1 & 2 Certificate of Training in Adult Weight Management from the Academy of Nutrition and Dietetics. Her passion is to help others improve their relationship with food in a practical, healthy, and sustainable way.

Jan Ford, MA, CSAC

Behavioral Specialist, Wellness Coach

Jan Ford received her Masters in Counseling from Western Kentucky University. She is a VA Certified Addictions Counselor and a Certified Wellness Coach.

Jan has worked in the mental health field for over 25 years, specializing in addictive disorders, domestic violence, and bariatric behavioral counseling. Her background in treating addictive behaviors and wellness coaching provides a unique combination approach to addressing the need for the behavior changes required in the recovery process from bariatric surgery. She has work primarily as a Behavioral
Specialist with Bariatric Patients for the past 8 years.


Jan developed the B. Balanced program and curriculum as an on-going group process that helps individuals navigate through their aftercare challenges. She’s also a certified by Bariatric Support Centers International as a facilitator for the Back on Track program.



Marla Brown, Facebook

Dr. Halmi and Dr. Rezvani are the best doctors. They truely care about each of their patients. I am forever grateful.

Diane Cuva, Facebook

I can't praise enough about Dr. Halmi. He performed two procedures on me and both were a success!

Tiarra Rowland, Facebook

I am a current patient and I just had my surgery this past Wednesday. I’ve had a great experience with the whole team at DHMR Clinics.

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