DR. JOHN B. SIMPSON M.D.
NPI 1356395263
Internal Medicine - Cardiovascular Disease in Redwood City, CA
About Dr. John B. Simpson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN B. SIMPSON M.D. (NPI 1356395263) is an individual cardiovascular disease provider in Redwood City, California, licensed in California (G33266) and active in the NPI registry since May 2006.
NPPES Registry Identity
Specialties & Licenses
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
REDWOOD CITY, CA 94062
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Simpson's NPI number?
The NPI number for John Simpson is 1356395263. It was assigned to this individual provider in the NPPES registry on May 22, 2006.
Where is John Simpson located?
John Simpson practices at 2900 Whipple Ave Suite 230, Redwood City, CA 94062. The listed phone number is (650) 306-2300.
What is John Simpson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
When was this NPI record last updated?
The NPPES record for John Simpson was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
