AYMAN ELTAYEB ELHAG AHMED MD
NPI 1275811200
Surgery - Vascular Surgery in Marshfield, WI
About Ayman Eltayeb Elhag Ahmed Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AYMAN ELTAYEB ELHAG AHMED MD (NPI 1275811200) is an individual vascular surgery provider in Marshfield, Wisconsin, licensed in Wisconsin (76036) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Sanford Bemidji Medical Center, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Ayman Eltayeb Elhag Ahmed 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
4Medicare enrollment records show Ayman Ahmed reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Walker, MN 56484
- Reassigned Medicare billing, Minnesota enrollment
- 607 clinicians in this Medicare group
Fargo, ND 58102
- Reassigned Medicare billing, North Dakota enrollment
- 1,464 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 25
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.
Sanford Bemidji Medical Center
Acute Care Hospitals · Bemidji, MNMarshfield Medical Center - Rice Lake
Acute Care Hospitals · Rice Lake, WIMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIMarshfield Medical Center - Eau Claire
Acute Care Hospitals · Eau Claire, WIMarshfield Medical Center - Minocqua
Acute Care Hospitals · Minocqua, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54449 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.
MARSHFIELD, WI 54449
MARSHFIELD, WI 54449
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 Ayman Ahmed's NPI number?
The NPI number for Ayman Ahmed is 1275811200. It was assigned to this individual provider in the NPPES registry on July 25, 2011.
Where is Ayman Ahmed located?
Ayman Ahmed practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.
What is Ayman Ahmed's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Ayman Ahmed enrolled in Medicare?
Yes. Ayman Ahmed 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 Ayman Ahmed's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ayman Ahmed reassigns Medicare benefits to 4 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI), Sanford Health Of Northern Minnesota (Walker, MN) and Sanford Medical Center Fargo (Fargo, ND). 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 Ayman Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ayman Ahmed accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource, HealthPartners, Sanford Health Plan and Security Health Plan list Ayman Ahmed 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 Ayman Ahmed affiliated with any hospitals?
According to CMS data, Ayman Ahmed is affiliated with Sanford Bemidji Medical Center, Marshfield Medical Center - Rice Lake, Marshfield Medical Center, Marshfield Medical Center - Eau Claire and Marshfield Medical Center - Minocqua.
When was this NPI record last updated?
The NPPES record for Ayman Ahmed was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.