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

Doris Armstrong, RN

Individual provider Medical-Surgical Registered Nurse · NPI 1841960325

Doris Armstrong, RN is a Medical-Surgical Registered Nurse in Merrillville, Indiana. Licensed in Indiana. Registered with an NPI since 2021.

Licensed in
IN
In the registry since
2021
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

5250 Delaware St
Merrillville, IN 46410-1547
Phone: (219) 201-4250
Show map & directions

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

Specialties & licences

Medical-Surgical Registered Nurse (primary) Taxonomy 163WM0705X · Licence 28221888A (IN)

Record details

NPI number1841960325
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedSeptember 16, 2021
Last updated in NPPESSeptember 16, 2021
Certification dateSeptember 16, 2021
Mailing address5250 Delaware St, Merrillville, IN 46410-1547