Doctor profile · Federal record

Dr. Erin Diem, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Greensburg, IN

  • NPI 1588190755
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
955 N Michigan Ave Ste 4
Greensburg, IN 472401487
(812) 662-6450
Additional location
720 N Lincoln St
Greensburg, IN 472401398
(812) 655-1350
Mailing address
2871 S State Road 129
Versailles, IN 470429114

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
March 24, 2026
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Indiana #71007568A · Kentucky #1111959
Medicaid
IN #1588190755

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588190755. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
172
Distinct HCPCS
6
Medicare allowed
$11,538
HCPCS Description Services Patients Avg allowed
90662 Influenza vaccine split virus, preservative free 38 38 $72
G0008 Administration of influenza virus vaccine 38 38 $25
90480 Admn sarscov2 vacc 1 dose 35 35 $38
91320 Sarscv2 vac 30mcg trs-suc im 35 35 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 15 14 $71
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $88

In context: peer comparison

Among 7 peers in this city , average services per provider: 114. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$74
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 2 $33.90
Exact Sciences Corporation 1 $22.86
ABBVIE INC. 1 $17.60

By nature of payment

Food and Beverage
$74

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$31
Drug Type Claims Patients Total cost
Prednisone Generic 11 11 $31

Frequently asked questions

Auto-generated from federal data
What is Dr. Erin Diem's medical specialty?
Dr. Erin Diem practices Family Nurse Practitioner in Greensburg, IN.
Where does Dr. Erin Diem practice?
Dr. Erin Diem practices at 955 N Michigan Ave Ste 4, Greensburg, IN 472401487. Office phone: 8126626450.
What is Dr. Erin Diem's NPI?
Dr. Erin Diem's National Provider Identifier (NPI) is 1588190755, issued by NPPES.
Does Dr. Erin Diem accept Medicare assignment?
Yes. Dr. Erin Diem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin Diem commonly perform?
Top Medicare-reported procedures in 2023: Influenza vaccine split virus, preservative free (HCPCS 90662); Administration of influenza virus vaccine (HCPCS G0008); Admn sarscov2 vacc 1 dose (HCPCS 90480). Source: CMS Medicare Physician & Other Practitioners file.