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

Mary M Johnson, MSN, RN

Individual provider Registered Nurse · NPI 1437858586

Mary M Johnson, MSN, RN is a Registered Nurse in Fort Wayne, Indiana. Licensed in Indiana. Registered with an NPI since 2023.

Licensed in
IN
In the registry since
2023
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
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

2121 Lake Ave
Fort Wayne, IN 46805-5100
Phone: (260) 426-5431
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 28143482A (IN)

Record details

NPI number1437858586
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , RN
Sole proprietorNo
NPI enumeratedFebruary 27, 2023
Last updated in NPPESFebruary 27, 2023
Certification dateFebruary 27, 2023

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