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Orthopedic Surgery

Andrew J. Friessen, DO

Works at hospitals in Fairfield, IA · Iowa

Summary

Dr. Andrew J. Friessen, DO is an orthopedic surgeon at 2000 S Main St, Fairfield, IA 52556. Phone: (641) 472-4111. Accepts Medicare assignment. NPI 1083891675. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 2000 S Main St, Fairfield, IA 52556 · Directions
  • Phone: (641) 472‑4111
  • Medicare: Accepts Medicare assignment
  • Hospital: Jefferson County Health Center
  • Group practice: Jefferson County Hospital
  • Medical school: graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew J. Friessen, 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 Andrew J. Friessen accept Medicare assignment?
Yes. Medicare's clinician data says Andrew J. Friessen 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 Andrew J. Friessen's NPI number?
1083891675. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andrew J. Friessen works

Medicare's Facility Affiliation Data lists Andrew J. Friessen 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.

  • Jefferson County Health CenterFairfield, IA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 161364

Practice locations

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

Group practices

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

  • Jefferson County Hospital47 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Iowa →

Other orthopedic surgeons in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All orthopedic surgeons in Iowa →

Other clinicians in Jefferson County Hospital

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

Clinician information

CredentialDO
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083891675
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