Clinical Interests
- Motility disorders of the esophagus, stomach, small intestine and colon
- Achalasia
- GERD
- Gastroparesis
- Dyspepsia
- Chronic constipation
- Fecal incontinence
Research Interests
- Evaluation and treatment of GI motility disorders including gastroparesis, GERD, constipation
- Development of noninvasive tests to measure gastric emptying and gastric accommodation after ingestion of a solid meal.
- New pharmaceutical treatments for gastroparesis and functional dyspepsia
- Use of impedance during esophageal manometry and esophageal pH monitoring to assess transit and reflux
Education
- MD, Case Western Reserve University, Cleveland, OH
Training
- Fellowship (Gastroenterology Research), Mayo Clinic Medical School, Rochester, MN
- Fellowship, Gastroenterology, Hospital of the University of Pennsylvania, Philadelphia, PA
- Residency, Internal Medicine, Johns Hopkins Hospital, Baltimore, MD
Board Certification
- Gastroenterology
- Internal Medicine
Memberships
- American Gastroenterological Association
- American Neurogastroenterology and Motility Society
- American College of Gastroenterology
- American Society for Gastrointestinal Endoscopy
Awards and Honors
- Top Doctors, Gastroenterology, Philadelphia magazine, 2015-2016, 2018-2020
- Department of Medicine Research Award
- Best Doctors in America®, Gastroenterology, 2015-2016, 2017-2018, 2019-2020
Treatment Philosophy
My approach to patient care includes obtaining a careful patient history of the symptoms, obtaining carefully selected tests to evaluate the patient's symptoms, reviewing the results of the tests with the patient and deciding on the appropriate treatment for the symptoms and disorder together.
good visit
I had no bad experience, everything was good. I can't complain
The nursing staff is awesome! [...] at the front desk is the absolute best!! I am very grateful for Dr. Parkman. He always takes the very best care of me and is so kind. He is amazing!
Doctor was great! [...]
Felt rushed by the provider
Everyone in this department is very kind, considerate, fair, caring. Reception, Intake, Doctor, and Clerk. [...]
Brilliant doctor, very attentive [...].
Always a joy to talk to Dr Henry Parkman My kind of no nonsense Dr
The appts with Dr. Parkman are always good but rushed. i don't always get to ask all my questions. [...]
Dr. Parkman is a very caring and empathetic doctor.
This was a telemedicine visit, so [...] I did not have an opportunity to meet Dr. Parkman face-to-face, but our conversation over the telephone was very helpful. I'm looking forward to beginning treatment with him.
I LOVE Dr. Parkman and his staff. He is the best doctor I have ever seen and the comfort he brings with his expertise on gastroparesis is invaluable. I trust him with my health care and he listens to my needs and provides workable solutions. His bedside manner is impeccable and it is very clear that he cares about his patients. I cannot stop singing his praises for his help with my rare disease where other doctors had failed me.
My experience was wonderful [...].