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

William Ripley Ballou Jr.

Individual provider Infectious Disease Physician · NPI 1982076394

William Ripley Ballou Jr. is an Infectious Disease Physician in Rockville, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2015

Practice location Address checks out

14200 Shady Grove Rd
Rockville, MD 20850-7464
Phone: (301) 204-4062
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 D0030157 (MD)

Record details

NPI number1982076394
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 25, 2015
Last updated in NPPESOctober 25, 2015

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