STEPHEN M. ELLESTAD DO
NPI 1124009634
Emergency Medicine in Decorah, IA
About Stephen M. Ellestad Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN M. ELLESTAD DO (NPI 1124009634) is an individual emergency medicine provider in Decorah, Iowa, licensed in Iowa (02380) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephen M. Ellestad Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
9Medicare enrollment records show Stephen Ellestad reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, IA 52342
- Reassigned Medicare billing, Iowa enrollment
- 177 clinicians in this Medicare group
Britt, IA 50423
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1912938606 (Iowa)
- 50 clinicians in this Medicare group
Richland, IA 52585
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1376648329 (Iowa)
- 79 clinicians in this Medicare group
Pocahontas, IA 50574
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1346241213 (Iowa)
- 52 clinicians in this Medicare group
Knoxville, IA 50138
- Reassigned Medicare billing, Iowa enrollment
- 156 clinicians in this Medicare group
Chariton, IA 50049
- Reassigned Medicare billing, Iowa enrollment
- Medicare enrollment name: Lucas County Health Center
- Also billed through NPI 1588636351 (Iowa)
- 36 clinicians in this Medicare group
Carroll, IA 51401
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1629460555 (Iowa)
- 96 clinicians in this Medicare group
Bloomfield, IA 52537
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1487740486 (Iowa)
- 50 clinicians in this Medicare group
Corning, IA 50841
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1699856260 (Iowa)
- 54 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Stephen Ellestad's NPI number?
The NPI number for Stephen Ellestad is 1124009634. It was assigned to this individual provider in the NPPES registry on November 10, 2005.
Where is Stephen Ellestad located?
Stephen Ellestad practices at 502 Mound St, Decorah, IA 52101. The listed phone number is (563) 382-0118.
What is Stephen Ellestad's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stephen Ellestad enrolled in Medicare?
Yes. Stephen Ellestad is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stephen Ellestad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Ellestad reassigns Medicare benefits to 9 organizations: Grinnell Regional Medical Center (Toledo, IA), Hancock County Health System (Britt, IA), Jefferson County Hospital (Richland, IA), Pocahontas Community Hospital (Pocahontas, IA), Knoxville Community Hospital Inc (Knoxville, IA) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Ellestad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Ellestad accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Stephen Ellestad 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.
When was this NPI record last updated?
The NPPES record for Stephen Ellestad was last updated on April 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Stephen M. Ellestad, DO · NPI 1124009634
Emergency Medicine physician in Decorah, Iowa. Individual provider, active in the CMS NPPES registry since November 10, 2005.
## Identity
- **NPI:** 1124009634 (Entity type: Individual)
- **Enumerated:** November 10, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 02380 (Iowa)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 502 MOUND ST, Decorah, IA 52101-1508
- **Phone:** (563) 382-0118
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Grinnell Regional Medical Center (NPI 1023498573, Toledo, IA); Hancock County Health System (NPI 1144434283, Britt, IA); Jefferson County Hospital (NPI 1881294536, Richland, IA); Pocahontas Community Hospital (NPI 1609989581, Pocahontas, IA); Knoxville Community Hospital Inc (NPI 1578570677, Knoxville, IA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1124009634) · Data from the CMS NPPES public registry.