MARGARET LEIGH WALLACE APRN
NPI 1124475439
Nurse Practitioner - Family in Omaha, NE
About Margaret Leigh Wallace Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET LEIGH WALLACE APRN (NPI 1124475439) is an individual family provider in Omaha, Nebraska, licensed in Nebraska (112093) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Chi Health Bergan Mercy, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
Margaret Leigh Wallace Aprn 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 Reassignment
Medicare enrollment records show Margaret Wallace reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Omaha, NE 68124
- Reassigned Medicare billing, Nebraska enrollment
- 1,045 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 5
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi Health Bergan Mercy
Acute Care Hospitals · Omaha, NEChi Health Midlands
Acute Care Hospitals · Papillion, NEChi Health Lakeside
Acute Care Hospitals · Omaha, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 68124 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Margaret Wallace's NPI number?
The NPI number for Margaret Wallace is 1124475439. It was assigned to this individual provider in the NPPES registry on May 17, 2016. The provider is also known as Margaret Heggen Aprn.
Where is Margaret Wallace located?
Margaret Wallace practices at 8141 W Center Rd Ste 200, Omaha, NE 68124. The listed phone number is (402) 717-3000.
What is Margaret Wallace's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Wallace enrolled in Medicare?
Yes. Margaret Wallace 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 organization bills Medicare for Margaret Wallace's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Wallace reassigns Medicare benefits to Alegent Creighton Clinic (Omaha, NE). The 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 Margaret Wallace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Wallace accept?
Health plans from Blue Cross and Blue Shield of Nebraska and Oscar Insurance Company list Margaret Wallace 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 Margaret Wallace affiliated with any hospitals?
According to CMS data, Margaret Wallace is affiliated with Chi Health Bergan Mercy, Chi Health Midlands and Chi Health Lakeside.
When was this NPI record last updated?
The NPPES record for Margaret Wallace was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Margaret Leigh Wallace, APRN · NPI 1124475439
Family physician in Omaha, Nebraska. Individual provider, active in the CMS NPPES registry since May 17, 2016.
## Identity
- **NPI:** 1124475439 (Entity type: Individual)
- **Enumerated:** May 17, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 112093 (Nebraska)
- **Sole proprietor:** No
## Practice location
- **Address:** 8141 W CENTER RD STE 200, Omaha, NE 68124-3273
- **Phone:** (402) 717-3000
## 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:** Alegent Creighton Clinic (NPI 1548287907, Omaha, NE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1124475439) · Data from the CMS NPPES public registry.