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Wireless pH testing allows your doctor to evaluate your reflux activity over a 48-hour period while you continue your normal activities.
Our doctors may recommend you do a wireless pH test in order to evaluate how often acid is moving from your stomach up your esophagus. The test allows your doctor to collect information over a few days while you continue your daily routine. After the evaluation period, your doctor will discuss the results with you.
To perform wireless pH testing:
Request an Appointment
For locations in Maryland
Phone Number: 410-933-7495
Fax Numbers:
Gastroenterology: 410-500-4267
Hepatology: 410-500-4257
For locations in the National Capital Region/Washington, DC
Phone Number: 202-660-5555
Fax Numbers:
Gastroenterology: 202-660-6103
Hepatology: 202-660-7359
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Traveling for Care?
Whether you're crossing the country or the globe, we make it easy to access world-class care at Johns Hopkins.
Outside of Maryland (toll free)
410-464-6713
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Medical Concierge Services
International Patients
+1-410-502-7683
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Medical Concierge Services
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