MRS. TAMARA LESHAY WILLIAMS APRN
NPI 1659722098
Nurse Practitioner in Omaha, NE
About Mrs. Tamara Leshay Williams Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. TAMARA LESHAY WILLIAMS APRN (NPI 1659722098) is an individual nurse practitioner in Omaha, Nebraska, licensed in Nebraska (113013) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with The Nebraska Medical Center, and is a graduate of Other (2015).
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
Mrs. Tamara Leshay Williams 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 Reassignments
2Medicare enrollment records show Tamara Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Omaha, NE 68198
- Reassigned Medicare billing, Nebraska enrollment
- 2,154 clinicians in this Medicare group
Troy, AL 36079
- Reassigned Medicare billing, Alabama enrollment
- 514 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 2
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.
The Nebraska Medical Center
Acute Care Hospitals · Omaha, NEBellevue Medical Center, LLC
Acute Care Hospitals · Bellevue, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 68198 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.
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 Tamara Williams's NPI number?
The NPI number for Tamara Williams is 1659722098. It was assigned to this individual provider in the NPPES registry on June 27, 2016.
Where is Tamara Williams located?
Tamara Williams practices at 987400 Nebraska Medical Center, Omaha, NE 68198. The listed phone number is (402) 552-3676.
What is Tamara Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Tamara Williams enrolled in Medicare?
Yes. Tamara Williams 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 Tamara Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tamara Williams reassigns Medicare benefits to 2 organizations: Unmc Physicians (Omaha, NE) and Houston County Healthcare Authority (Troy, AL). 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 Tamara Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tamara Williams accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross and Blue Shield of Nebraska and Oscar Insurance Company and 1 other insurer list Tamara Williams 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 Tamara Williams affiliated with any hospitals?
According to CMS data, Tamara Williams is affiliated with The Nebraska Medical Center and Bellevue Medical Center, LLC.
When was this NPI record last updated?
The NPPES record for Tamara Williams was last updated on January 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mrs. Tamara Leshay Williams, APRN · NPI 1659722098
Nurse Practitioner physician in Omaha, Nebraska. Individual provider, active in the CMS NPPES registry since June 27, 2016.
## Identity
- **NPI:** 1659722098 (Entity type: Individual)
- **Enumerated:** June 27, 2016
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 113013 (Nebraska)
- **Sole proprietor:** No
## Practice location
- **Address:** 987400 NEBRASKA MEDICAL CENTER, Omaha, NE 68198-7400
- **Phone:** (402) 552-3676
## 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): Unmc Physicians (NPI 1417912114, Omaha, NE); Houston County Healthcare Authority (NPI 1295065811, Troy, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** January 28, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1659722098) · Data from the CMS NPPES public registry.