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Family Practice

William J. Ostdiek, MD

Sees patients in Omaha, NE · Nebraska

Summary

Dr. William J. Ostdiek, MD is a family doctor at 4920 S 30th St, Suite 103, Omaha, NE 68107. Phone: (402) 734-4110. Accepts Medicare assignment. NPI 1477603470. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 4920 S 30th St, Suite 103, Omaha, NE 68107 · Directions (1 more location)
  • Phone: (402) 734‑4110
  • Medicare: Accepts Medicare assignment
  • Group practice: Oneworld Community Health Centers Inc
  • Medical school: University Of Nebraska College Of Medicine · graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William J. Ostdiek, 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 William J. Ostdiek accept Medicare assignment?
Yes. Medicare's clinician data says William J. Ostdiek 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 William J. Ostdiek's NPI number?
1477603470. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

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

  • Oneworld Community Health Centers Inc55 clinicians in the group

Specialties

Find other Family Practice doctors in Nebraska →

Other family doctors in Omaha

Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.

All family doctors in Omaha →

Other clinicians in Oneworld Community Health Centers Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477603470
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians