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

Erin Elizabeth Diem, FNP

Individual provider Registered Nurse · NPI 1588190755

Erin Elizabeth Diem, FNP is a Nurse Practitioner in Greensburg, Indiana. Qualified in 2017, 9 years ago. Practices with Medical Group of Indiana LLC, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Indiana and Kentucky.

Years since qualifying
9
Licensed in
IN, KY
In the registry since
2017
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

955 N Michigan Ave Ste 4
Greensburg, IN 47240-1487
Phone: (812) 662-6450
Show map & directions

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

Additional practice locations (1)

  • 720 N Lincoln St, Greensburg, IN 47240-1398 — (812) 655-1350

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 71007568A (IN)
Registered Nurse Taxonomy 163W00000X · Licence 1111959 (KY)

Record details

NPI number1588190755
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedMay 10, 2017
Last updated in NPPESMarch 24, 2026
Certification dateMarch 24, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Medical Group Of Indiana Llc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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