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 Not confirmed with CMS for 17 years — call before visiting
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