South Florida Gastroenterology Associates, P.A.

Our medical team includes the following physicians:


Jaime Alalu, M.D.
Gastroenterology

Jaime Alalu, M.D. Jaime Alalu, M.D. has been in practice since 1978.

Dr. Alalu received his medical education at the University of San Marcos, Lima, Peru and completed his internship, residency, and fellowship training through the University of Miami at Jackson Memorial Hospital and Mt. Sinai Hospital.

Dr. Alalu is a member of the active staff at Bethesda Memorial Hospital, Boynton Beach and JFK Medical Center, Atlantis, FL. He has served on many committees at both hospitals and was Chairman of the Endoscopy Department at Bethesda for several years.

Dr. Alalu is a member of numerous medical societies including American College of Gastroenterology, American Society of Gastrointestinal Endoscopy, American Medical Association, Southern Medical Association, Palm Beach Medical Society, Peruvian American Medical Society, Florida Society of Gastroenterology, Crohn's Colitis Foundation of American and the Latin American Medical Association.

[ back to top ]


Matthew Q. Bromer, D.O.
Gastroenterology

Matthew Q. Bromer, D.O. Dr. Matthew Q. Bromer joined South Florida Gastroenterology in 2004. He is Board Certified in Internal Medicine and Gastroenterology.

Dr. Bromer received his medical education at Des Moines University, Des Moines, IA. He completed his Internal Medicine Residency at Delaware Valley Medical Center in Philadelphia, PA. He did clinical research and published many articles in professional journals during both his motility and clinical fellowships in Gastroenterology at Temple University Hospital.

Dr. Bromer is an active member of the medical staff at Bethesda Memorial Hospital and Delray Medical Center. In addition to performing all routine/diagnostic gastroenterology procedures, Dr. Bromer performs endoscopic retrograde cholangiopancreatography (ERCP) and percutaneous endoscopic gastrostomy tube placement (PEG). Dr. Bromer treats diseases of the liver, pancreas, and gallbladder in addition to all other digestive diseases.

Dr. Bromer is the current medical advisor for the Palm Beach County Celiac Support Group and is a member of the American Gastroenterology Association, American College of Gastroenterology, American Osteopathic Association, American College of Osteopathic Internists, and American Motility Society.

[ back to top ]


Mark S. Brown, M.D.
Gastroenterology

Mark S. Brown, M.D. Dr. Mark Brown joined South Florida Gastroenterology in 1998. Dr. Brown is Board Certified in Internal Medicine and Gastroenterology.

Dr. Brown received his medical education at Medical College of Virginia. He completed his Internship, Residency, and Fellowship Programs at Jackson Memorial Hospital and University of Miami Affiliated Hospitals.

Dr. Brown is an active member of the medical staff at Bethesda Memorial Hospital and Delray Medical Center.

[ back to top ]


Hillel D. Cohen, M.D.
Gastroenterology

Hillel D. Cohen, M.D.

Hillel D. Cohen, M.D., joined South Florida Gastroenterology in 2009. He is board-certified in internal medicine and gastroenterology.

Dr. Cohen received his medical education from Robert Wood Johnson Medical School in New Jersey, where he completed his residency and gastroenterology fellowship as well. He was in private practice in New Jersey before moving to Florida and joining South Florida Gastroenterology. Dr. Cohen performed clinical research and published articles in the areas of inflammatory bowel disease (Crohn's Disease and ulcerative colitis) and gastroesophageal reflux (GERD) related disorders and stomach ulcers.

In addition to performing all routine endoscopic procedures (including colonoscopy, sigmoidoscopy, upper endoscopy, and capsule endoscopy), Dr. Cohen is proficient in performing nonsurgical techniques for hemorrhoids. He is one of only a few doctors in South Florida that performs both Infra Red Coagulation therapy (similar to a laser therapy) and hemorrhoidal banding for symptomatic hemorrhoids. Both of these options are relatively complication free, are pain free, and are performed in his office. He routinely treats patients for colon cancer prevention as well as those with reflux disease, Barrett's esophagus (including the relatively new HALO procedure to eradicate Barrett's esophagus) celiac disease, constipation, diarrhea, abdominal bloating, Crohn's disease, ulcerative colitis, and diseases of the liver, (such as fatty liver and hepatitis C) gallbladder, and pancreas.

Dr. Cohen is an active member of the medical staffs at Boca Raton Regional Hospital and Delray Medical Center. Dr. Cohen is a member of the Alpha Omega Alpha (honors society for medical doctors),as well as the American College of Gastroenterology and has been the recipient of numerous awards for his outstanding medical care. He is currently accepting new patients in his Boca Raton and Delray offices.

To read patient testimonials, please visit www.vitals.com

[ back to top ]


Mark R. Dosch, M.D.
Gastroenterology

Mark R. Dosch, M.D. Mark R. Dosch, M.D. joined South Florida Gastroenterology Associates, PA in 1998. Dr Dosch is Board Certified in Internal Medicine and Gastroenterology.

Dr. Dosch received his medical education in Belgium and completed his residency and fellowship training at Booth Memorial Medical Center in Flushing, New York.

Following his training, Dr.Dosch moved to Boynton Beach and has been on the staff of Bethesda Memorial Hospital, Delray Medical Center, and Pinecrest Rehabilitation Hospital.

An active member of the medical staff at Bethesda, Dr. Dosch has served as chairman of many patient care committees and was President of the Medical Staff.

Dr. Dosch is a member of the Fellow American College of Physicians, American Medical Association, Palm Beach Medical Society, Florida Society of Internal Medicine, Fellow American College of Gastroenterology, American Society for Gastroenterology Endoscopy, and the Florida Medical Association.

[ back to top ]


Barry N. Gach, M.D.
Gastroenterology

Barry N. Gach, M.D. Barry N. Gach, M.D. has been in practice since 1986 and joined South Florida Gastroenterology Associates in 1998. Dr. Gach is Board Certified in Internal Medicine and Gastroenterology.

Dr. Gach received his Medical Education at the New York State Program at the Sackler School of Medicine of Tel Aviv University, Tel Aviv, Israel and completed his Internship, Residence and Fellowship in Gastroenterology training at Washington Hospital Center in Washington, D.C.

Following his training, Dr. Gach moved to South Florida and has been on the staff of Bethesda Memorial Hospital, Delray Medical Center, and Pinecrest Rehabilitation Hospital.

Dr. Gach is a member of numerous medical societies including Florida Society of Internal Medicine, American Society of Internal Medicine, American Medical Association, Florida Medical Association, and the Florida Gastroenterological Association.

[ back to top ]


Edward Horvath, M.D.
Gastroenterology

Edward Horvath, M.D. Edward Horvath, M.D. joined South Florida Gastroenterology Associates in 2006.

Dr. Horvath is Board Certified in Gastroenterology and Internal Medicine. He received his Medical Education at the University Of Miami School Of Medicine. He completed his Internship, Residency, and Fellowship training at the University of Texas Southwestern, Parkland Memorial Hospital.

Dr. Horvath is a member of the active staff at Bethesda Memorial Hospital, Delray Medical Center, and JFK Medical Center.

Dr. Horvath is a member of the American Medical Association, American Society of Gastrointestinal Endoscopy, and the American Gastroenterology Association.

[ back to top ]


Marisa Kesselman, M.D.
Gastroenterology

Michael S. Urban, M.D.

Marisa Kesselman, M.D. has been in practice in Palm Beach County since 1991 and joined South Florida Gastroenterology Associates, PA in 2001. Dr. Kesselman is board certified in Internal Medicine and Gastroenterology.

Dr. Kesselman went to Brandeis University for her undergraduate studies and received her medical education at Sackler School of Medicine, Tel Aviv University in Israel. She completed her internship, residency and chief residency at State University at Kings County Hospital in Brooklyn, NY. She completed her fellowship training in gastroenterology at St. Luke’s Hospital, Columbia University in New York. Following this she spent two months at Hadassah Hospital in Jerusalem training further in advanced endoscopic skills.

Dr. Kesselman is on staff at J.F.K Medical Center and Bethesda Memorial Hospital. She is currently accepting new patients in the Atlantis office.

[ back to top ]


Ronald Levy, M.D.
Gastroenterology

Ronald Levy, M.D. Dr. Ronald Levy joined South Florida Gastroenterology Associates in 2008. Dr. Levy was born and raised in South Florida. Following his medical school training at the University of Florida, he received his Internal Medicine and Gastroenterology training at Rush University Medical Center in Chicago, Illinois. Dr. Levy is Board Certified in Internal Medicine and Gastroenterology.

Dr. Levy performs all routine/diagnostic gastroenterology procedures and ERCP. He is active at Select Specialy Hospital, JFK Medical Center, and Bethesda Memorial Hospital. His special interests include Inflammatory Bowel Disease, Celiac Sprue, and Acid Related Disorders.

[ back to top ]


Daniel E. McGuire, M.D.
Gastroenterology

Daniel E. McGuire, M.D. Dr. Daniel E. McGuire joined South Florida Gastroenterology in 1999. Dr. McGuire is Board Certified in Internal Medicine and Gastroenterology.

Dr. McGuire received his medical education at Temple University School of Medicine. He completed his internship and residency programs at the University of Illinois at Chicago and Tufts New England Medical Center in Boston prior to completing his fellowship in gastroenterology at the University of Medicine and Dentistry of New Jersey. Following his fellowship, Dr. McGuire completed a fellowship in therapeutic endoscopy at the University of Illinois at Chicago.

After completing his training, Dr. McGuire practiced at Cleveland Clinic and was the Section Head and Director of Therapeutic Endoscopy.

Dr. McGuire is an active member of the medical staff at Bethesda Memorial Hospital and Delray Medical Center. In addition to performing all routine/diagnostic gastroenterology procedures, Dr. McGuire performs endoscopic retrograde cholangiopancreatography (ERCP).

Dr. McGuire has published numerous articles in medical journals in addition to holding several academic appointments at the University of Medicine and Dentistry of New Jersey, the University of Illinois at Chicago School of Medicine, and Cleveland Clinic, Florida.

Dr. McGuire is a member of the American College of Physicians, American College of Gastroenterology, American Gastroenterology Association, American Society of Gastrointestinal Endoscopy, American Endosonography Club, Crohn's and Colitis Foundation of America, and the Florida Gastroenterology Society.

[ back to top ]


Richard Milgrim, M.D.
Gastroenterology

Richard Milgrim, M.D. Richard Milgrim, M.D. has been in practice in South Florida since 1983. He is Board Certified in Internal Medicine. Dr. Milgrim received his M.D. degrees from Autonomous University of Guadalajara and the University of the State of New York. He currently owns active licenses in the State of Florida and New York.

Dr. Milgrim received his Medical Training for Internal Medicine and Gastroenterology at the Long Island College Hospital.

Subsequent to his training, Dr. Milgrim moved to Boca Raton. He is currently on the Medical Staff of Delray Medical Center, Pinecrest Rehabilitation Hospital, and Boca Raton Community Hospital.

At Delray Medical Center, Dr. Milgrim has served as Chief of Internal Medicine, Chief of Gastroenterology, and Chairman of the Governing Board.

Dr. Milgrim is a Fellow of the American College of Physicians.

[ back to top ]


Nirmala Shanmugam, M.D., FACG
Gastroenterology

Fellow of American College of Gastroenterology
Board Certified in Gastroenterology and Internal Medicine

Nirmala Shanmugam, M.D. Nirmala Shanmugam, M.D joined South Florida Gastroenterology Associates in 2005. She served as faculty at University of Miami, Miller school of Medicine for 3 years prior to joining South Florida Gastroenterology Associates. She continues to serve as a voluntary clinical faculty and is involved in the teaching of residents and medical students.

Nirmala Shanmugam, M.D. did her Internal Medicine Residency training and Gastroenterology Fellowship at University of Miami Jackson Memorial Hospital.

Nirmala Shanmugam, M.D. brings with her extensive experience in treating patients with Irritable bowel, Constipation, diarrhea, Gastro Esophageal Reflux Disease, Inflammatory Bowel Disease, Colorectal Cancer Screening, Pancreas and Liver Diseases. Nirmala Shanmugam, M.D. also performs all routine/diagnostic endoscopic procedures including ERCP.

She also performs the new Halo procedure for Barrett's Ablation, wireless PH monitoring- the Bravo procedure for acid reflux disease.

In recognition of her professional achievement and competency in the field of Gastroenterology she was awarded to be a Fellow of the American College of Gastroenterology. She is also a member of American College of Gastroenterology and American Society of Gastrointestinal Endoscopy.

Dr. Shanmugam is available to see patients in the Atlantis and Wellington offices.

[ back to top ]


Joshua E. Stern, M.D., M.S.C.E.
Gastroenterology

Joshua E. Stern, M.D., M.S.C.E.

Dr. Joshua Stern joined South Florida Gastroenterology Associates in 2009. He is Board Certified in Internal Medicine and Gastroenterology.

Dr. Stern received his medical education at Albert Einstein College of Medicine in Bronx, NY. After graduating from medical school, Dr. Stern completed his Internal Medicine internship and residency at The Mount Sinai Hospital in New York and his Gastroenterology fellowship at the University of Pennsylvania in Philadelphia. During his training, Dr. Stern also received a Masters of Science in Clinical Epidemiology (MSCE) from the University of Pennsylvania. Dr. Stern has been involved in numerous research projects in gastroenterology and has multiple scientific publications.

Dr. Stern is an active member of the medical staff at Bethesda Memorial Hospital and Delray Medical Center. Dr. Stern performs all routine gastroenterology procedures, including colonoscopy, upper endoscopy, percutaneous endoscopic gastrostomy (PEG) tube placement, enteroscopy, flexible sigmoidoscopy, and wireless capsule endoscopy. Dr. Stern treats all diseases related to the digestive tract, including colon cancer prevention, cancers of the digestive tract, Inflammatory Bowel Disease, pancreatic disease, and liver disease including hepatitis. Dr. Stern performs both Infra Red Coagulation therapy and hemorrhoid banding (CRH O’regan system) for symptomatic hemorrhoids. Both procedures are performed in the office, are very effective, easy and fast with very low complication rates.

Dr. Stern is a member of the American College of Gastroenterology, American Gastroenterology Association, and the Florida Medical Association.

[ back to top ]


Anthony N. Strippoli, M.D.
Gastroenterology

Anthony N. Strippoli, M.D. Dr. Anthony N. Strippoli joined South Florida Gastroenterology in 2005. Dr. Strippoli is Board Certified in Internal Medicine and Gastroenterology.

Dr. Strippoli received his medical education at St. George's University School of Medicine. He completed his Internship, Residency, and Fellowship programs at Seton Hall University, (St. Joseph's Regional Medical Center, Paterson, NJ and St. Michael's Medical Center, Newark, NJ.

Dr. Strippoli is a member of the medical staff of Bethesda Memorial Hospital and Delray Medical Center.

Dr. Strippoli is a member of the American Medical Association, American College of Gastroenterology, American Gastroenterology Association, and the American Society of Gastrointestinal Endoscopy.

[ back to top ]


Bradley A. Towbin, M.D.
Gastroenterology

Bradley A. Towbin, M.D. Bradley A. Towbin, M.D. joined South Florida Gastroenterology in 2008. Dr. Towbin is Board Certified in Gastroenterology.

Dr. Towbin received his medical education at the University of Miami and completed his Internship and Residency at the University of Texas at Houston. His Fellowship training in Gastroenterology was completed at Ochsner Medical Foundation, New Orleans, LA.

After completing his training, Dr. Towbin moved to South Florida and has been practicing in the Boynton Beach/Delray Beach area. He is on the staff of Bethesda Memorial Hospital, Boynton Beach, FL, Delray Medical Center, Delray Beach, FL, and JFK Medical Center, Atlantis, FL.

Dr. Towbin is a member of the American College of Gastroenterology and the American Society for Gastrointestinal Endoscopy

Languages: Spanish, Hebrew

[ back to top ]


Michael S. Urban, M.D.
Gastroenterology

Michael S. Urban, M.D. joined South Florida Gastroenterology Associates in 2001. Dr. Urban has been Board Certified in Internal Medicine and Gastroenterology.

Dr. Urban received his medical education at the University of Texas, San Antonio and completed his Internship and Residency at Lenox Hill Hospital in New York, NY. He completed his Fellowship training in Gastroenterology at Beth Israel Medical Center, New York, NY, an affiliate of Mount Sinai Medical Center.

After completing his training, Dr. Urban was in private practice in New York. After moving to South Florida, Dr. Urban practiced in the Lake Worth area on the Staff of JFK Medical Center, and Bethesda Memorial Hospital.

Dr. Urban served as Chief of the Division of Gastroenterology at JFK Medical Center for 6 of the past 9 years.

Dr. Urban is a member of the American College of Gastroenterology, American Society of Gastrointestinal Endoscopy, and the American Gastroenterology Association. He enjoys football, hiking, and skiing.

[ back to top ]


Lianne Cavell, M.D.
Gastroenterology

Lianne Cavell, M.D. is our newest associate joining the group in 2013. She received her medical education at Albert Einstein College of Medicine in New York, where she was elected into the Alpha Omega Alpha Honor Medical Society. She completed her medicine residency at New York Presbyterian Hospital – Weill Cornell Medical College, and her gastroenterology fellowship at Memorial Sloan-Kettering Cancer Center.

Dr. Cavell treats all diseases of the digestive tract, and has extensive training in treating patients with hereditary colon cancer syndromes, Barrett’s esophagus, pancreatic cystic neoplasms, eradicating precancerous lesions of the esophagus and colon, and utilizing endoscopic techniques to palliate symptoms of advanced cancer. She performs all routine and diagnostic gastroenterology procedures, as well as endoscopic ultrasound (EUS), endoscopic mucosal resection (EMR), Barrett’s ablation, wireless capsule endoscopy, percutaneous endoscopic gastrostomy tubes (PEG), percutaneous endoscopic jejunostomy tubes (PEJ), and the use of stents to alleviate obstructions.

Dr. Cavell is a member of the American Gastroenterology Association, American College of Gastroenterology, and the American Society of Gastrointestinal Endoscopy. She is on staff at Boca Raton Regional Hospital, Bethesda Memorial Hospital, and Delray Medical Center. She is accepting new patients at our Delray Beach office and our S. Congress Ave. office.

[ back to top ]


Our Outpatient Surgery Centers

*The Outpatient Center of Delray

*The Outpatient Center of Boynton Beach, Ltd.


Our Imaging Center

*Delray Imaging Associates


Our Research Department

*Clinical Research Studies