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Urology

Alex J. Hannemann, MD

Works at hospitals in Sioux Falls, SD · Huron, SD · Dawson, MN · South Dakota, Minnesota

Summary

Dr. Alex J. Hannemann, MD is a urologist at 201 W 69th St, Sioux Falls, SD 57108. Phone: (605) 336-0635. Accepts Medicare assignment. NPI 1184251605. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Alex J. Hannemann, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alex J. Hannemann accept Medicare assignment?
Yes. Medicare's clinician data says Alex J. Hannemann accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Alex J. Hannemann's NPI number?
1184251605. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alex J. Hannemann works

Medicare's Facility Affiliation Data lists Alex J. Hannemann at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Alex J. Hannemann is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alex J. Hannemann as a member of this group (CMS data updated October 2, 2026).

  • Urology Specialists Chartered47 clinicians in the group

Specialties

Find other Urology doctors in South Dakota →

Other urologists in Sioux Falls

Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.

All urologists in Sioux Falls →

Other clinicians in Urology Specialists Chartered

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Aurora
Graduation year2025 (1 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184251605
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians