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

Dr. John H Powers III, MD

Individual provider Infectious Disease Physician · NPI 1952540148

Dr. John H Powers III, MD is an Infectious Disease Physician in Olney, Maryland. Practices as a sole proprietor. Licensed in Delaware, Pennsylvania and Virginia.

Licensed in
DE, PA, VA
In the registry since
2009
Specialties on file
3
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

18511 Fiddleleaf Ter
Olney, MD 20832-1559
Phone: (301) 570-2333
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 010148364 (VA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence MD042001L (PA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence C1-0004605 (DE)

Record details

NPI number1952540148
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 11, 2009
Last updated in NPPESFebruary 11, 2009
Mailing address18511 Fiddleleaf Ter, Olney, MD 20832-1559