Quick answers
- Which hospitals does Ayman E. Ahmed work at?
- Medicare's official clinician data lists Ayman E. Ahmed at 5 hospitals: Marshfield Medical Center, Marshfield Medical Center - Eau Claire, Marshfield Medical Center - Minocqua, Marshfield Medical Center - Rice Lake and Sanford Bemidji Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ayman E. Ahmed see patients?
- Medicare's clinician data lists 14 practice locations, including Marshfield, WI, Merrill, WI and West Fargo, ND. Call before your visit to confirm the address.
- What is Ayman E. Ahmed's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery.
- Does Ayman E. Ahmed accept Medicare assignment?
- Yes. Medicare's clinician data says Ayman E. Ahmed accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ayman E. Ahmed?
- (715) 387-5511, as listed in official Medicare / NPI Registry data.
- What is Ayman E. Ahmed's NPI number?
- 1275811200. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ayman E. Ahmed works
Medicare's Facility Affiliation Data lists Ayman E. Ahmed at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · CCN 520037
- Marshfield Medical Center - Eau ClaireEau Claire, WI · Acute Care Hospital · CCN 520210
- Marshfield Medical Center - MinocquaMinocqua, WI · Acute Care Hospital · CCN 520212
- Marshfield Medical Center - Rice LakeRice Lake, WI · Acute Care Hospital · CCN 520011
- Sanford Bemidji Medical CenterBemidji, MN · Acute Care Hospital · CCN 240100
Practice locations
Addresses where Ayman E. Ahmed is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 14; the Medicare profile lists all.
- 1000 N Oak AveMarshfield, WI 54449 (715) 387‑5511
- 1000 N Oak Ave, Attn Provider Certification WwpMarshfield, WI 54449
- 1000 N Oak Ave, Provider Cert Shp 2nd FloorMarshfield, WI 54449
- 1205 O Day StMerrill, WI 54452 (715) 539‑0101
- 1207 O Day StMerrill, WI 54452 (715) 539‑9990
Group practices
Medicare enrollment lists Ayman E. Ahmed as a member of these groups (CMS data updated 2026-10-02).
- Sanford Medical Center Fargo1,225 clinicians in the group
- MCHS Hospitals Inc1,197 clinicians in the group
- Sanford Health of Northern Minnesota343 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
Other vascular surgeons in Marshfield
Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275811200 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians