Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John E Herring, MD

Individual provider Internal Medicine Physician · NPI 1710975040

John E Herring, MD is an Internal Medicine Physician in Olney, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

18101 Prince Philip Dr
Olney, MD 20832-1514
Phone: (301) 774-8900
Fax: (301) 570-8574
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0030414 (MD)

Record details

NPI number1710975040
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 11, 2005
Last updated in NPPESJuly 13, 2026
Mailing address1300 Piccard Dr, Suite 202, Rockville, MD 20850-4303

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