DR. THEODORE FREDERICK ELSAESSER M.D.
NPI 1497042402
Emergency Medicine in Madison, WI
About Dr. Theodore Frederick Elsaesser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THEODORE FREDERICK ELSAESSER M.D. (NPI 1497042402) is an individual emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (63815) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and is a graduate of University Of Vermont College Of Medicine (2011).
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 and accepts Medicare assignment
Dr. Theodore Frederick Elsaesser M.d. 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
6Medicare enrollment records show Theodore Elsaesser reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 103 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Columbus, WI 53925
- Reassigned Medicare billing, Wisconsin enrollment
- 132 clinicians in this Medicare group
Dodgeville, WI 53533
- Reassigned Medicare billing, Wisconsin enrollment
- 130 clinicians in this Medicare group
Beaver Dam, WI 53916
- Reassigned Medicare billing, Wisconsin enrollment
- 606 clinicians in this Medicare group
Reedsburg, WI 53959
- Reassigned Medicare billing, Wisconsin enrollment
- 96 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Clare Hospital - Baraboo
Acute Care Hospitals · Baraboo, WISsm Health St Mary's Hospital - Madison
Acute Care Hospitals · Madison, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIRipon Medical Center
Critical Access Hospitals · Ripon, WIUpland Hills Health
Critical Access Hospitals · Dodgeville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 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.
MADISON, WI 53792
MADISON, WI 53792
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 Theodore Elsaesser's NPI number?
The NPI number for Theodore Elsaesser is 1497042402. It was assigned to this individual provider in the NPPES registry on June 29, 2011.
Where is Theodore Elsaesser located?
Theodore Elsaesser practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 262-2398.
What is Theodore Elsaesser's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Theodore Elsaesser enrolled in Medicare?
Yes. Theodore Elsaesser 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 Theodore Elsaesser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theodore Elsaesser reassigns Medicare benefits to 6 organizations: Madison Emergency Physicians, Sc (Madison, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Prairie Ridge Health, Inc. (Columbus, WI), Upland Hills Health, Inc. (Dodgeville, WI), Agnesian Healthcare (Beaver Dam, WI) and 1 more organization, 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 Theodore Elsaesser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theodore Elsaesser accept?
Health plans from Group Health Cooperative-SCW list Theodore Elsaesser 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 Theodore Elsaesser affiliated with any hospitals?
According to CMS data, Theodore Elsaesser is affiliated with Ssm Health St Clare Hospital - Baraboo, Ssm Health St Mary's Hospital - Madison, University Of Wi Hospitals & Clinics Authority, Ripon Medical Center and Upland Hills Health.
When was this NPI record last updated?
The NPPES record for Theodore Elsaesser was last updated on January 21, 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.