ETHAN REZNICEK MD
NPI 1174059661
Emergency Medicine in Joplin, MO
About Ethan Reznicek Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ETHAN REZNICEK MD (NPI 1174059661) is an individual emergency medicine provider in Joplin, Missouri, licensed in Missouri (2021037224) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and maintains a secondary practice location in Houston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ethan Reznicek 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.
Medicare Billing Reassignments
2Medicare enrollment records show Ethan Reznicek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Joplin, MO 64804
- Reassigned Medicare billing, Missouri enrollment
- 562 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Missouri enrollment
- 55 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Joplin
Acute Care Hospitals · Joplin, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 64804 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 Ethan Reznicek's NPI number?
The NPI number for Ethan Reznicek is 1174059661. It was assigned to this individual provider in the NPPES registry on May 3, 2017.
Where is Ethan Reznicek located?
Ethan Reznicek practices at 100 Mercy Way Ste 1400, Joplin, MO 64804. The listed phone number is (417) 556-2300.
What is Ethan Reznicek's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ethan Reznicek enrolled in Medicare?
Yes. Ethan Reznicek 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.
Which organizations bill Medicare for Ethan Reznicek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ethan Reznicek reassigns Medicare benefits to 2 organizations: Mercy Clinic Joplin LLC (Joplin, MO) and Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK). 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 Ethan Reznicek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ethan Reznicek affiliated with any hospitals?
According to CMS data, Ethan Reznicek is affiliated with Mercy Hospital Joplin.
When was this NPI record last updated?
The NPPES record for Ethan Reznicek was last updated on September 23, 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.
# Ethan Reznicek, MD · NPI 1174059661
Emergency Medicine physician in Joplin, Missouri. Individual provider, active in the CMS NPPES registry since May 3, 2017.
## Identity
- **NPI:** 1174059661 (Entity type: Individual)
- **Enumerated:** May 3, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2021037224 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MERCY WAY STE 1400, Joplin, MO 64804-4524
- **Phone:** (417) 556-2300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mercy Clinic Joplin LLC (NPI 1215264817, Joplin, MO); Green Country Emergency Physicians Group Of Tulsa PLLC (NPI 1972698553, Tulsa, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** September 23, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1174059661) · Data from the CMS NPPES public registry.