4.4
26 Ratings with 10 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | |
| Dr. Mark Theodore Birns, MD | Brendon Bower, APRN | Sarah Proffit, APRN | Dr. Carl Neil Kraus, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Infectious Disease |
| Accepts New Patients | Accepts New Patients | ||
| 52 Years of Experience | 31 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks Spanish, Chinese | Speaks English | Speaks English | |
| Ijamsville , MD | Tempe , AZ | Baltimore , MD | Bethesda , MD |
| Med School: Albert Einstein College Of Medicine Of Yeshiva University | Med School: University of Cincinnati | Med School: Wilmington University | Med School: Washington University at St. Louis |
Current Profile | View Profile | View Profile | View Profile |
Dr. Mark Theodore Birns holds an active medical license in the state of Maryland.
Medical Doctor with an active medical license in the state of Maryland that expires in 2026.
Completed their residency at Oregon Health & Science University.
Graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1974.
Dr. Birns' NPI number is 1982692828.










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.