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Availability last updated 07/23/2025
The Heart Center of the Oranges, PA, is a medical practice with multiple locations: West Orange, East Orange, South Orange, Maplewood, Newark, Belleville, and Bloomfield, New Jersey. Led by a skilled team of physicians, nurses, and other medical professionals, the practice serves people aged 20 and older in person and virtually via telemedicine.
The Heart Center of the Oranges, PA, offers specialty services, including cardiology, endocrinology, gynecology, internal medicine, neurology, podiatry, pulmonology, women’s wellness, pediatric endocrinology, nutrition, and sleep medicine. Patients with chronic diseases or general medicine concerns can turn to the highly trained experts at The Heart Center of the Oranges, PA, for superior care.
The skilled medical team personalizes each treatment plan based on a patient’s medical needs, lifestyle, and desired outcomes.
Those with diabetes, foot or ankle issues, gynecology concerns, or heart, kidney, or lung diseases rely on The Heart Center of the Oranges, PA, for exceptional care in a welcoming setting. Undergoing routine care reduces the risk of bothersome symptoms and severe medical complications.
The Heart Center of the Oranges, PA, team is friendly, providing top-notch patient-centered care using the latest advances in technology and research-backed treatments. They compassionately welcome new and existing patients to the practice.
Schedule an in-person or telehealth appointment at The Heart Center of the Oranges, PA, by phone or online today.
William Focazio, MD
Gastroenterologist
5 Franklin Ave
Suite 509
Belleville, NJ 07109
John Ackert, MD
Gastroenterologist
233 Broadway
Suite 2750
New York, NY 10279
Dr. Steven Guttmann, MD is board certified in Internal Medicine and Gastroenterology. He received his BA in psychology from Brooklyn College/CUNY and went on to receive his medical degree from Sackler University. Steven completed his medical residency at Maimonides Medical Center in Brooklyn. After serving as Chief Medical Resident he completed his Gastroenterology Fellowship at Maimonides Medical Center.
Following fellowship, Dr. Guttmann served as a staff attending at Forest Hill-Long Island Jewish Hospital as well as the Director of Endoscopy. He subsequently went on to run a busy inpatient gastroenterology service at Long Island Jewish and North Shore University Hospitals/Northwell.
Dr. Guttmann is an Assistant Professor of Medicine at Hofstra University Medical School and has numerous national publications and presentations on gastrointestinal topics. His interests include general luminal gastroenterology, inflammatory bowel disease, hepato-pancreaticobiliary disease, and therapeutic GI.
Dr. Guttmann is driven by the bonds he builds with his patients, working together with them to achieve a healthy life.
Dr. Steven Guttmann, MD
Gastroenterologist
672 Parkside Ave
2nd floor
Brooklyn, NY 11226
Dr. Anthony Ng, M.D., is a leading gastroenterologist dedicated to providing state-of-the-art care to patients from Brooklyn, New York to Lower Manhattan, New York, and throughout the Greater New York City metro region. As the founding physician of GI Health, Dr. Ng offers a comprehensive array of diagnostic and treatment options for patients with issues affecting the gastrointestinal system, including chronic and acute stomach pain, colon cancer, hemorrhoids, and acid reflux, using the most advanced techniques for colonoscopy, upper endoscopy and wireless capsule endoscopy using the PillCam system. Dr. Ng also provides non-invasive screening for colorectal cancer with stool testing including the ground-breaking Cologuard fecal DNA test. In addition, he offers medical weight loss programs customized for the needs of the individual patient for optimal long-term results.
After receiving his medical degree, Dr. Ng completed his training in internal medicine at The Beth Israel Deaconess Hospital in Boston, one of the three major Harvard teaching hospitals, followed by a residency in gastroenterology at The Mount Sinai Hospital in New York City. In addition to caring for patients at his practice, Dr. Ng is also a clinical instructor of medicine at both New York Presbyterian Hospital - Weill Cornell Medical Center and Mount Sinai - Beth Israel Hospital, both top-ranked medical centers in New York City.
At GI Health, Dr. Ng welcomes the opportunity to provide skilled, compassionate, patient-centered care for men and women from throughout New York City.
Dr. Anthony Ng, MD
Gastroenterologist
139 Centre Street
Suite 611
New York, NY 10013
I practice traditional Mt. Sinai trained medicine, with a great appreciation for Integrative and alternative approaches. I look for the latest high-tech approaches including genetic testing, neurocognitive screening, and testing with ‘liquid biopsies’ by a blood test that picks up very early cancers.
I am very open to questions, and I have many years of extensive relationships with excellent subspecialists in various hospitals around the city.
With Elsa, my amazingly competent ‘right hand’, I am available by text when you have a sudden medical concern, when you need lab or X-ray results quickly, a medication refill, an appointment or timing issue, a Covid or booster question, or a question about medication in the news that might pertain to your health.
Elsa Manelli is the heart and soul of the concierge practice. Primary contact person and office manager. Elsa receives and responds to texts and calls reliably, compassionately, and supports me, Stacy, and my patients in a caring and timely fashion. She has trained Allison and Cintia, my office staff, to be equally caring and responsive. Treat them all well, please!
I want to work with patients who appreciate collaboration! ‘You and me versus the issue at hand’.
And I am fortunate to work alongside a wonderful physician assistant with 15 years of experience named Stacy Beaupre who is very involved in integrative care and will be helping me evaluate neurocognitive function. She too is available and on-call.
I can only take a limited number of new concierge patients and I welcome a scheduled five-minute phone conversation where we can see if we are a good fit for one another.
Dr. Bruce Yaffe
General Practice Physician
985 5th Avenue and 79th Street
Ground Floor
New York , NY 10075
Dr. Christopher Chum, a board-certified Gastroenterologist, is deeply committed to enhancing the health and well-being of his community. Having earned his medical degree from the NYIT College of Osteopathic Medicine, Dr. Chum completed his residency at Coney Island Hospital, followed by a fellowship in General and Advanced Gastroenterology at the same institution. There, he served as Assistant Program Director and Director of Advanced Endoscopy for a prominent academic program dedicated to training the next generation of gastroenterologists and medical residents.
Renowned for his compassionate and patient-centered approach, Dr. Chum has consistently delivered cutting-edge care to a diverse patient population, including underserved communities.
While maintaining his academic affiliations at Coney Island Hospital, he has relocated to New Jersey with his family. Here, he extends his expertise to the Hamilton community, providing exceptional care and improving access to healthcare for all.
Dr. Chum specializes in advanced interventional endoscopy and offers comprehensive care across the spectrum of gastroenterology and hepatology. His clinical interests encompass biliary and pancreatic disorders, cancer prevention, gastrointestinal oncology, and the burgeoning fields of fatty liver disease, obesity, with non-surgical medical and endoscopic weight loss options.
Please note that Maniya Health Medical Group does not employ or in any way supervise Dr. Christopher Chum, DO. He is employed by Hamilton Gastroenterology. Patients should contact Hamilton GI's offices directly for all questions concerning their GI treatment.
Christopher Chum, DO
Gastroenterologist
1001 Washington Blvd
Robbinsville, NJ 08691
Rom Gupta
Gastroenterologist
175-61 Hillside Ave Ste 402
Jamaica , NY 11432
Zafar Zamir, MD, FACG, AGAF is a Board-Certified Gastroenterologist who has been caring for the Hamilton community for decades. He earned his Medical Degree from Dow Medical College in Pakistan, and completed his Residency Training at Cook County Hospital in Chicago and Fellowship in Gastroenterology from the Medical College of Wisconsin.
Dr. Zamir has a particular interest in IBS and General Gastroenterology, including hemorrhoids and other ano-rectal disorders. Dr. Zamir has held a variety of leadership roles in the local community, including as a Clinical Assistant Professor at Rutgers RWJ Medical School and as President of the Medical Staff at RWJ University Hospital Hamilton.
Please note that Maniya Health Medical Group does not employ or in any way supervise Dr. Zafar Zamir, MD. He is employed by Hamilton Gastroenterology. Patients should contact Hamilton GI's offices directly for all questions concerning their GI treatment.
Zafar Zamir, MD
Gastroenterologist
800 Denow Road
Suite K
Hopewell, NJ 08534
Dr. Christopher Chum, a board-certified Gastroenterologist, is deeply committed to enhancing the health and well-being of his community. Having earned his medical degree from the NYIT College of Osteopathic Medicine, Dr. Chum completed his residency at Coney Island Hospital, followed by a fellowship in General and Advanced Gastroenterology at the same institution. There, he served as Assistant Program Director and Director of Advanced Endoscopy for a prominent academic program dedicated to training the next generation of gastroenterologists and medical residents.
Renowned for his compassionate and patient-centered approach, Dr. Chum has consistently delivered cutting-edge care to a diverse patient population, including underserved communities.
While maintaining his academic affiliations at Coney Island Hospital, he has relocated to New Jersey with his family. Here, he extends his expertise to the Hamilton community, providing exceptional care and improving access to healthcare for all.
Dr. Chum specializes in advanced interventional endoscopy and offers comprehensive care across the spectrum of gastroenterology and hepatology. His clinical interests encompass biliary and pancreatic disorders, cancer prevention, gastrointestinal oncology, and the burgeoning fields of fatty liver disease, obesity, with non-surgical medical and endoscopic weight loss options.
Please note that Maniya Health Medical Group does not employ or in any way supervise Dr. Christopher Chum, DO. He is employed by Hamilton Gastroenterology. Patients should contact Hamilton GI's offices directly for all questions concerning their GI treatment.
Christopher Chum, DO
Gastroenterologist
800 Denow Road
Suite K
Hopewell, NJ 08534
Zafar Zamir, MD, FACG, AGAF is a Board-Certified Gastroenterologist who has been caring for the Hamilton community for decades. He earned his Medical Degree from Dow Medical College in Pakistan, and completed his Residency Training at Cook County Hospital in Chicago and Fellowship in Gastroenterology from the Medical College of Wisconsin.
Dr. Zamir has a particular interest in IBS and General Gastroenterology, including hemorrhoids and other ano-rectal disorders. Dr. Zamir has held a variety of leadership roles in the local community, including as a Clinical Assistant Professor at Rutgers RWJ Medical School and as President of the Medical Staff at RWJ University Hospital Hamilton.
Please note that Maniya Health Medical Group does not employ or in any way supervise Dr. Zafar Zamir, MD. He is employed by Hamilton Gastroenterology. Patients should contact Hamilton GI's offices directly for all questions concerning their GI treatment.
Zafar Zamir, MD
Gastroenterologist
1078 White Horse Avenue
Hamilton, NJ 08610
Dr. Christopher Chum, a board-certified Gastroenterologist, is deeply committed to enhancing the health and well-being of his community. Having earned his medical degree from the NYIT College of Osteopathic Medicine, Dr. Chum completed his residency at Coney Island Hospital, followed by a fellowship in General and Advanced Gastroenterology at the same institution. There, he served as Assistant Program Director and Director of Advanced Endoscopy for a prominent academic program dedicated to training the next generation of gastroenterologists and medical residents.
Renowned for his compassionate and patient-centered approach, Dr. Chum has consistently delivered cutting-edge care to a diverse patient population, including underserved communities.
While maintaining his academic affiliations at Coney Island Hospital, he has relocated to New Jersey with his family. Here, he extends his expertise to the Hamilton community, providing exceptional care and improving access to healthcare for all.
Dr. Chum specializes in advanced interventional endoscopy and offers comprehensive care across the spectrum of gastroenterology and hepatology. His clinical interests encompass biliary and pancreatic disorders, cancer prevention, gastrointestinal oncology, and the burgeoning fields of fatty liver disease, obesity, with non-surgical medical and endoscopic weight loss options.
Please note that Maniya Health Medical Group does not employ or in any way supervise Dr. Christopher Chum, DO. He is employed by Hamilton Gastroenterology. Patients should contact Hamilton GI's offices directly for all questions concerning their GI treatment.
Christopher Chum, DO
Gastroenterologist
1078 White Horse Avenue
Hamilton, NJ 08610
David Stein, MD
Gastroenterologist
3765 Riverdale Ave
Suite 7
Bronx, NY 10463
Robert Sable, MD
Gastroenterologist
3765 Riverdale Ave
Suite 7
Bronx, NY 10463