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

Allison Renee Washenko

Individual provider Pharmacist · NPI 1821698432

Allison Renee Washenko is a Pharmacist in O Fallon, Illinois. Practices as a sole proprietor and works from 2 locations. Licensed in Illinois and Missouri.

Licensed in
IL, MO
In the registry since
2020
Specialties on file
2

Practice location Address checks out

1530 W Highway 50
O Fallon, IL 62269-1619
Phone: (618) 632-9381
Show map & directions

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

Additional practice locations (1)

  • 1040 Collinsville Crossing Blvd, Collinsville, IL 62234-1882 — (618) 344-7112

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 051.303197 (IL)
Pharmacist Taxonomy 183500000X · Licence 2020024553 (MO)

Record details

NPI number1821698432
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedNovember 1, 2020
Last updated in NPPESJune 9, 2025
Certification dateJune 9, 2025
Mailing address1530 W Highway 50, O Fallon, IL 62269-1619

Other providers in O Fallon