JOHN E HERRING MD
NPI 1710975040
Internal Medicine in Olney, MD
About John E Herring Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN E HERRING MD (NPI 1710975040) is an individual internal medicine provider in Olney, Maryland, licensed in Maryland (D0030414) and active in the NPI registry since October 2005.
NPPES Registry Identity
Specialties & Licenses
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.
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
OLNEY, MD 20832
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 Herring's NPI number?
The NPI number for John Herring is 1710975040. It was assigned to this individual provider in the NPPES registry on October 11, 2005.
Where is John Herring located?
John Herring practices at 18101 Prince Philip Dr, Olney, MD 20832. The listed phone number is (301) 774-8900.
What is John Herring's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
When was this NPI record last updated?
The NPPES record for John Herring was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.