A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. David Cahan:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 1.5 of 4 stars
The overall average patient rating of Dr. David Cahan is Satisfactory.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. David Cahan, MD is board certified in Internal Medicine and Nephrology.
Education & Awards
Dr. Cahan graduated from University of Rochester .
Dr. Cahan has 3 hospital affiliations:
- Kindred Hospital Northeast - Waltham
- Beth Israel Deaconess Medical Center
- Faulkner Hospital