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Family Practice

Stephen R. Nowak, DO

Works at hospitals in Des Moines, IA · Iowa

Summary

Stephen R. Nowak, DO (Family Practice) is listed by Medicare at 1 hospital in Des Moines, IA. NPI 1396754784. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen R. Nowak, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
MaleGender (as listed)
Mercy Clinics IncGroup practice

Quick answers

Which hospitals does Stephen R. Nowak work at?
Medicare's official clinician data lists Stephen R. Nowak at 1 hospital: MercyOne Des Moines Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephen R. Nowak see patients?
Medicare's clinician data lists 1 practice location in Ankeny, IA. Call before your visit to confirm the address.
What is Stephen R. Nowak's specialty?
Medicare lists Family Practice as the primary specialty.
Does Stephen R. Nowak accept Medicare assignment?
Yes. Medicare's clinician data says Stephen R. Nowak 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 Stephen R. Nowak?
(515) 643-8100, as listed in official Medicare / NPI Registry data.
What is Stephen R. Nowak's NPI number?
1396754784. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen R. Nowak works

Medicare's Facility Affiliation Data lists Stephen R. Nowak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Stephen R. Nowak is enrolled with Medicare (CMS data updated 2026-10-02).

  • 800 E 1st St, 1700 Mercyone Ankeny Family Medicine ClinicAnkeny, IA 50021 (515) 643‑8100

Group practices

Medicare enrollment lists Stephen R. Nowak as a member of this group (CMS data updated 2026-10-02).

  • Mercy Clinics Inc443 clinicians in the group

Specialties

Find other Family Practice doctors in Iowa →

Other family doctors in Ankeny

Clinicians with the same Medicare primary specialty in Ankeny, IA — not a recommendation.

All family doctors in Ankeny →

Clinician information

CredentialDO
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396754784
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians