5
1 Rating with 1 written Review

Overview based on verified provider data
![]() | |||
| Dr. Samuel Jonathan Kallus, MD | Paolo Lino Peghini, MD | Joseph James Jennings, MD | Brooke Ann Spencer, FNPBC, MSN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 15 Years of Experience | 37 Years of Experience | 14 Years of Experience | 13 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Spanish, French, German, Italian, English | Speaks English | Speaks English |
| Washington , DC | McLean , VA | McLean , VA | McLean , VA |
| Med School: Albert Einstein College Of Medicine Of Yeshiva University | Med School: Universitat Zurich | Med School: Georgetown University | |
Current Profile | View Profile | View Profile | View Profile |
Dr. Samuel Jonathan Kallus holds an active medical license in the states of Maryland and District Of Columbia.
Medical Doctor with an active medical license in the state of Maryland that expires in 2026 and an active medical license in the state of District Of Columbia that expires in 2026.
Completed their residency at Georgetown University Medical Center.
Graduated from Albert Einstein College Of Medicine Of Yeshiva University in 2011.
Dr. Kallus' NPI number is 1558660761.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.