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).
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- Currently 4 of 4 stars
The overall average patient rating of Dr. John Walker is Excellent.
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Specialties & Research
Dr. John Walker, MD is board certified in Internal Medicine and Nephrology.
Education & Awards
Dr. Walker graduated from State University of New York Downstate, Brooklyn.
Dr. Walker has 5 hospital affiliations:
- Robert Wood Johnson Univ Hosp
- St. Peter's University Hospital
Accepted Insurance Plans
Dr. Walker accepts these health insurances in at least one office:
- United Healthcare - 1 plan
- HIP Health Plan of New York - 8 plans
- Horizon Blue Cross Blue Shield of New Jersey - 18 plans
- Unicare - 12 plans
- Cigna - 8 plans
- The Empire Plan (UHC) - 1 plan
- USA H & W Network - 1 plan