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

William Patrick Johnson Jr., RPH

Individual provider Pharmacotherapy Pharmacist · NPI 1740647767

William Patrick Johnson Jr., RPH is a Pharmacotherapy Pharmacist in O Fallon, Illinois. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2016
What do these letters mean?
RPH — Registered Pharmacist
A pharmacist licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

505 Jeffrey Pine Ct
O Fallon, IL 62269-2554
Phone: (618) 628-3140
Show map & directions

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

Specialties & licences

Pharmacotherapy Pharmacist (primary) Taxonomy 1835P1200X · Licence 18591 (IA)

Record details

NPI number1740647767
Entity typeIndividual (Type 1)
GenderMale
Credentials RPH
Sole proprietorYes
NPI enumeratedJanuary 21, 2016
Last updated in NPPESJanuary 21, 2016
Mailing address505 Jeffrey Pine Ct, O Fallon, IL 62269-2554