Erin Diem, FNP
Registered Nurse · Greensburg, IN
Erin Diem, FNP is a registered nurse with a practice address in Greensburg, Indiana, and NPI 1588190755, issued on May 10, 2017. Check the license (Indiana 71007568A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin Diem
- Credential
- FNP
- Primary taxonomy
- Registered Nurse 163W00000X
- License numbers
- 71007568A IN
1111959 KY
Self-reported in NPPES; status is on the state search - Practice location
- 955 N Michigan Ave Ste 4, Greensburg, IN 47240
- Phone
- (812) 662-6450
- Enumerated
- May 10, 2017
- Entity
- Type 1 · individual
Also registered at 955 N Michigan Ave Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Raeth, NPFamily Nurse Practitioner1043988975
Verify Erin Diem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71007568ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average registered nurse in 2024
190 Medicare Part D claims for 125 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Prednisone29 claims
- Azithromycin23 claims
- Amoxicillin-Clavulanate Potass19 claims
- Albuterol Sulfate Hfa15 claims
- Cephalexin13 claims
- Doxycycline Monohydrate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's Medicare quality score for 2023: 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $74.36
4 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 16,089 providers of this specialty with any payment received $575.97 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Decatur County Memorial HospitalBatesville, IN · Critical Access Hospitals3 of 5 stars
- Medical Group OF Indiana LLCMuncie, IN
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 registered nurse records list a Greensburg practice address
They are 3 of the 231 NPPES records with a Greensburg practice address, and 2,602 registered nurse records in Indiana.
All 3 in Greensburg → All 2,602 in Indiana → Every provider in Greensburg →
Other registered nurse records in Indiana
- Melinda Abbring, FNP-BCEast Chicago, IN1790208197
- Kimberly Ackerman, FNP-CIndianapolis, IN1598437071
- Aaron Acton, RNIndianapolis, IN1932083987
- Akeyra AdairIndianapolis, IN1437937422
- Elizabeth Adams, NPFort Wayne, IN1164847372
- Lauren Adams, RNIndianapolis, IN1750150603
- Malin Adams, AGPCNP-BCFort Wayne, IN1437824224
- Neda Adams, NPAnderson, IN1699135152
- Anthony AdjeiHobart, IN1760139018
- Brittany Adkins, RNBloomington, IN1306410600
Common questions
What is Erin Diem, FNP's NPI number?
Erin Diem, FNP's National Provider Identifier (NPI) is 1588190755, issued on May 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Erin Diem, FNP located?
The NPPES record lists a practice address at 955 N Michigan Ave Ste 4, Greensburg, IN, 47240. Phone: (812) 662-6450. Providers update this record themselves, so call before visiting.
How can I verify Erin Diem, FNP's license?
NPPES lists Indiana license number 71007568A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Erin Diem, FNP prescribe under Medicare Part D?
In 2024, Erin Diem, FNP had 190 Medicare Part D claims for 125 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.
What is Erin Diem, FNP's Medicare quality score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.