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

Mrs. Mary Ann Klein, RN, FA

Individual provider Registered Nurse · NPI 1043364714

Mrs. Mary Ann Klein, RN, FA is a Registered Nurse in Waterloo, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
Specialties on file
2
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

4551 Klein Rd
Waterloo, IL 62298-4343
Phone: (618) 978-4614
Fax: (315) 473-3738
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 2000152451 (IL)
Surgical Technologist Taxonomy 246ZS0410X

Record details

NPI number1043364714
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , FA
Sole proprietorYes
NPI enumeratedJanuary 22, 2007
Last updated in NPPESJuly 21, 2010

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