WILLIAM D WEEKS MD
NPI 1245237882
Family Medicine in Gretna, NE
About William D Weeks Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM D WEEKS MD (NPI 1245237882) is an individual family medicine provider in Gretna, Nebraska, licensed in Nebraska (16692) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with The Nebraska Medical Center, and maintains a secondary practice location in Omaha.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
William D Weeks 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
2Medicare enrollment records show William Weeks reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gretna, NE 68028
- Reassigned Medicare billing, Nebraska enrollment
- 3 clinicians in this Medicare group
Omaha, NE 68106
- Reassigned Medicare billing, Nebraska enrollment
- 138 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 28
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, NEThe Nebraska Methodist Hospital
Acute Care Hospitals · Omaha, NEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 68028 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 13
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
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 William Weeks's NPI number?
The NPI number for William Weeks is 1245237882. It was assigned to this individual provider in the NPPES registry on June 28, 2005.
Where is William Weeks located?
William Weeks practices at 11820 Standing Stone Dr, Gretna, NE 68028. The listed phone number is (402) 332-3903.
What is William Weeks's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Weeks enrolled in Medicare?
Yes. William Weeks 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 William Weeks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Weeks reassigns Medicare benefits to 2 organizations: Gretna Family Health PC (Gretna, NE) and Think Aksarben, LLC (Omaha, NE). 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 William Weeks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Weeks 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 2 other insurers list William Weeks 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 William Weeks affiliated with any hospitals?
According to CMS data, William Weeks is affiliated with The Nebraska Medical Center and The Nebraska Methodist Hospital.
When was this NPI record last updated?
The NPPES record for William Weeks was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.