ELLEN S HORSTMANN MD
NPI 1265093215
Emergency Medicine in Indianapolis, IN
About Ellen S Horstmann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN S HORSTMANN MD (NPI 1265093215) is an individual emergency medicine provider in Indianapolis, Indiana, licensed in Indiana (01093892A) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ellen S Horstmann Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Eskenazi Health
Acute Care Hospitals · Indianapolis, INIndiana University Health Ball Memorial Hospital
Acute Care Hospitals · Muncie, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ellen Horstmann's NPI number?
The NPI number for Ellen Horstmann is 1265093215. It was assigned to this individual provider in the NPPES registry on June 20, 2019.
Where is Ellen Horstmann located?
Ellen Horstmann practices at 720 Eskenazi Ave, Indianapolis, IN 46202. The listed phone number is (317) 639-6671.
What is Ellen Horstmann's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ellen Horstmann enrolled in Medicare?
Yes. Ellen Horstmann is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Ellen Horstmann accept?
Health plans from CareSource list Ellen Horstmann as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ellen Horstmann affiliated with any hospitals?
According to CMS data, Ellen Horstmann is affiliated with Eskenazi Health and Indiana University Health Ball Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Ellen Horstmann was last updated on March 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ellen S Horstmann, MD · NPI 1265093215
Emergency Medicine physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since June 20, 2019.
## Identity
- **NPI:** 1265093215 (Entity type: Individual)
- **Enumerated:** June 20, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 01093892A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 720 ESKENAZI AVE, Indianapolis, IN 46202-5187
- **Phone:** (317) 639-6671 · **Fax:** (317) 963-5492
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** March 16, 2025
- **Other identifiers:** Other 1101444341 (IN); Medicaid 300092060 (IN); Other 200640080 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1265093215) · Data from the CMS NPPES public registry.