CATHERINE N EGGERS MD
NPI 1750813739
Emergency Medicine in Saint Louis, MO
About Catherine N Eggers Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE N EGGERS MD (NPI 1750813739) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2020022470) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 3
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
Catherine N Eggers 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
5Medicare enrollment records show Catherine Eggers reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 269 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 186 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 241 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 118 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 178 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOSsm Health Depaul Hospital St Louis
Acute Care Hospitals · Bridgeton, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAINT LOUIS, MO 63128
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 Catherine Eggers's NPI number?
The NPI number for Catherine Eggers is 1750813739. It was assigned to this individual provider in the NPPES registry on March 30, 2017. The provider is also known as Catherine N Mulwa Eggers MD.
Where is Catherine Eggers located?
Catherine Eggers practices at 10010 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 525-1906.
What is Catherine Eggers's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Catherine Eggers enrolled in Medicare?
Yes. Catherine Eggers 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 Catherine Eggers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Eggers reassigns Medicare benefits to 5 organizations: Cep America, LLC (Saint Louis, MO), Mercy Hospital South (Saint Louis, MO), Mercy Hospitals East Communities (Saint Louis, MO), Mercy Hospital Jefferson (Festus, MO) and Mercy Hospitals East Communities (Washington, MO). 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 Catherine Eggers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Catherine Eggers affiliated with any hospitals?
According to CMS data, Catherine Eggers is affiliated with Mercy Hospital South and Ssm Health Depaul Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Catherine Eggers was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.