MICHAEL R TEDNES JR. MD
NPI 1437640984
Emergency Medicine in Oak Lawn, IL
About Michael R Tednes Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL R TEDNES JR. MD (NPI 1437640984) is an individual emergency medicine provider in Oak Lawn, Illinois, licensed in Illinois (036.154550) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Katherine Shaw Bethea Hospital, and maintains a secondary practice location in Dekalb.
NPPES Registry Identity
Specialties & Licenses
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
Michael R Tednes Jr. 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
3Medicare enrollment records show Michael Tednes reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Winfield, IL 60190
- Reassigned Medicare billing, Illinois enrollment
- 64 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 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 4
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.
Katherine Shaw Bethea Hospital
Acute Care Hospitals · Dixon, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 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.
OAK LAWN, IL 60453
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 Michael Tednes's NPI number?
The NPI number for Michael Tednes is 1437640984. It was assigned to this individual provider in the NPPES registry on May 21, 2018.
Where is Michael Tednes located?
Michael Tednes practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-5375.
What is Michael Tednes's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Tednes enrolled in Medicare?
Yes. Michael Tednes 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 Michael Tednes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Tednes reassigns Medicare benefits to 3 organizations: Advocate Health & Hospitals Corporation (Oak Lawn, IL), Central Dupage Emergency Physicians, PC (Winfield, IL) and Osf Multi-Specialty Group (Peoria, IL). 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 Michael Tednes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Tednes affiliated with any hospitals?
According to CMS data, Michael Tednes is affiliated with Katherine Shaw Bethea Hospital and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Michael Tednes was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.
# Michael R Tednes Jr., MD · NPI 1437640984
Emergency Medicine physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since May 21, 2018.
## Identity
- **NPI:** 1437640984 (Entity type: Individual)
- **Enumerated:** May 21, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036.154550 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4440 W 95TH ST, Oak Lawn, IL 60453-2600
- **Phone:** (708) 684-5375
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL); Central Dupage Emergency Physicians, PC (NPI 1619074028, Winfield, IL); Osf Multi-Specialty Group (NPI 1154908929, Peoria, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2018
## Record status
- **NPPES last updated:** October 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1437640984) · Data from the CMS NPPES public registry.