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Family Practice

Theodore A. Zamzow, DO

Works at hospitals in Wausau, WI · Wisconsin

Summary

Dr. Theodore A. Zamzow, DO is a family doctor at 29980 Network Pl, Chicago, IL 60673. May accept Medicare assignment. NPI 1164125787. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 29980 Network Pl, Chicago, IL 60673 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: Aspirus Wausau Hospital
  • Medical school: graduated 2024 (2 years since medical school)
  • Gender (as listed): Male
NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Theodore A. Zamzow, 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 Theodore A. Zamzow accept Medicare assignment?
Medicare's clinician data says Theodore A. Zamzow may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Theodore A. Zamzow's NPI number?
1164125787. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Theodore A. Zamzow works

Medicare's Facility Affiliation Data lists Theodore A. Zamzow 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.

  • Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030

Practice locations

Addresses where Theodore A. Zamzow is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All family doctors in Chicago →

Clinician information

CredentialDO
Graduation year2024 (2 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1164125787
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