Our Services

In This Section



Dieter Pohl, MD, FACS

Bariatric Surgery (weight loss surgery) since 2000
Practicing surgeon in Rhode Island since 1999

Medical School: University of Cologne, Germany
Residency: University of Goettingen, Germany and University Hospital Cologne-Porz, Germany, Flushing Hospital, Queens, NY, New York, Hospital Queens, N.Y

Fellowships: Laparoscopic surgery at the University of Washington, Seattle

Operations Performed: Hernia, Gallbladder, Stomach (reflux, tumors, cancer), Weight loss surgery/Bariatric surgery, Esophagus (reflux, swallowing problems), Hiatal hernia Colon (diverticulitis, tumors, cancer), Intestine (inflammation, tumors, cancer), Appendix, Spleen, Adrenal gland, Adhesions, Skin

Languages Spoken: English, German, Spanish, French, Portuguese by staff member.

More Information: obesityhelp.com

Aaron B. Bloomenthal, MD

Medical School: Boston University School of Medicine, Boston, MA
Residency: University of Massachusetts Medical School, Worcester, MA
Fellowships: University of Massachusetts Medical School, Worcester, MA
Operations Performed: Weight loss surgery/Bariatric surgery
Languages Spoken: English


Holli Brousseau, ACAGNP

Holli, a graduate of Rhode Island College, recently joined the weight loss surgery program at Roger Williams. She is the Bariatric Surgery Coordinator and has worked in Bariatrics since 2010. She is a member of the ASMBS.

Jeremy Frissell, PA-C


The surgeons practice, Rhode Island Surgeons, Inc., has employed the Physician Assistant Jeremy Frissell since 2002.
Jeremy has assisted in hundreds of weight loss surgeries and participates in the aftercare during the hospital stay at Roger Williams Medical Center. He is also very important in assuring continuity of care during the years after surgery.

Jennifer L.Hudson-Parker, RN BSN

Clinical Nurse Manager

Jennifer is a 1999 graduate of Rhode Island College's Nursing program. She is the Clinical Nurse Manager of Center 4. She has managed the bariatric program at the unit level since it's inception in 2004. Jennifer is a member of the National Association of Bariatric Nurses. In July of 2009, Jen successfully obtained Certification in Bariatric Nursing.