4.2
6 Ratings with 1 written Review

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| William A. Christiana, MD | Dr. Benjamin Barrah, FACP, MD | Dr. Dewan S Khan, MD | Mohamed Ali Sherif |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 42 Years of Experience | 35 Years of Experience | 41 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, English, French | Speaks English, Spanish, Bengali, Hindi, Urdu | Speaks English, Arabic, Spanish |
| Belleville , NJ | Brooklyn , NY | Hopelawn , NJ | BROOKLYN , NY |
| Med School: MCP HAHNEMANN UNIV (FORMERLY ALLEGHENY UNIV) | Med School: University Of Benin School Of Medicine | Med School: Rangpur Medical College | Med School: Alexandria University, Bachelor of Medicine, Bachelor of Surgery |
Current Profile | View Profile | View Profile | View Profile |
William A. Christiana is board certified in Internal medicine by the American Board of Internal Medicine.
Board certified in Internal medicine by the American Board of Internal Medicine.
Completed their residency at University of Pennsylvania Program, MCP Hahnemann School of Medicine, Allegheny University Affiliated Hospitals, and Med Coll Of Pa & Hosp, Internal Medicine.
Graduated from MCP HAHNEMANN UNIV (FORMERLY ALLEGHENY UNIV) in 1984 and Drexel University College Of Medicine in 1984.
William A. Christiana's NPI number is 1891884482.










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.