Diane Kostrey Horner, NP
Family Nurse Practitioner · Indianapolis, IN
Diane Kostrey Horner, NP is a family nurse practitioner with a practice address in Indianapolis, Indiana, and NPI 1245517663, issued on Nov 14, 2011. Check the license (Indiana 28106710A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Kostrey Horner
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 28106710A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1001 W 10TH St, Indianapolis, IN 46202
- Phone
- (317) 278-1022
- Enumerated
- Nov 14, 2011
- Record last updated
- Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (317) 656-4061
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,867 in Indiana → Look up another NPI →
Also registered at 1001 W 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jean BandosClinical Nurse Specialist1720039589
Verify Diane Kostrey Horner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 28106710ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 91.5 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).
Diane Kostrey Horner among 5,867 family nurse practitioner records in Indiana
Diane Kostrey Horner, NP is one of 5,867 family nurse practitioner records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 17% of them.
- NPI issued2011 · 17% of these records are older, 81% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2021 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,057 family nurse practitioner records list a practice address in Indianapolis
They are 1,057 of the 30,493 NPPES records with a practice address in Indianapolis, and 5,867 family nurse practitioner records in Indiana.
All 5,867 in Indiana → Every provider in Indianapolis → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Christine Balt, N.P.Indianapolis, IN 462021093773020
- Beth English, N.P.Indianapolis, IN 462021326045733
- Laura Hein, PHD, RN, NP-C, CENIndianapolis, IN 462021568406098
- Kimberly Langdon, N.P.Indianapolis, IN 462021588616726
- Susan McIlwain, NPIndianapolis, IN 462021043245251
- Mildred McManus, APRN C-FNPIndianapolis, IN 462021346244258
- Jo Morris, N.P.Indianapolis, IN 462021962492173
- Amy Parpart, RN, NPIndianapolis, IN 462021689622136
Common questions
What is Diane Kostrey Horner, NP's NPI number?
Diane Kostrey Horner, NP's National Provider Identifier (NPI) is 1245517663, issued on Nov 14, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Diane Kostrey Horner, NP located?
The NPPES record lists a practice address at 1001 W 10TH St, Indianapolis, IN, 46202. Phone: (317) 278-1022. Providers update this record themselves, so call before visiting.
How can I verify Diane Kostrey Horner, NP's license?
NPPES lists Indiana license number 28106710A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
What is Diane Kostrey Horner, NP's MIPS final score?
The 2023 MIPS final score is 91.5 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), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.