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

Mr. William Michael Weiss I, RN

Individual provider Registered Nurse · NPI 1649726340

Mr. William Michael Weiss I, RN is a Registered Nurse in Maryville, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2016
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

2148 Vadalabene Dr
Maryville, IL 62062-5632
Phone: (618) 288-3100
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 041.296738 (IL)

Record details

NPI number1649726340
Entity typeIndividual (Type 1)
GenderMale
Credentials RN
Sole proprietorYes
NPI enumeratedSeptember 1, 2016
Last updated in NPPESSeptember 1, 2016

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