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Family Practice

Chad R. Martens, MD

Works at hospitals in Geneseo, IL · Illinois

Summary

Dr. Chad R. Martens, MD is a family doctor at 600 N College Ave, Geneseo, IL 61254. Accepts Medicare assignment. NPI 1033854757. 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: 600 N College Ave, Geneseo, IL 61254 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Hammond Henry Hospital
  • Group practice: Hammond Henry Dist Hospital
  • Medical school: graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Chad R. Martens, 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 Chad R. Martens accept Medicare assignment?
Yes. Medicare's clinician data says Chad R. Martens 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 Chad R. Martens's NPI number?
1033854757. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Chad R. Martens works

Medicare's Facility Affiliation Data lists Chad R. Martens 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.

  • Hammond Henry HospitalGeneseo, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141319

Practice locations

Addresses where Chad R. Martens is enrolled with Medicare (CMS data updated October 2, 2026).

  • 600 N College AveGeneseo, IL 61254

Group practices

Medicare enrollment lists Chad R. Martens as a member of this group (CMS data updated October 2, 2026).

  • Hammond Henry Dist Hospital40 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Illinois

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

All family doctors in Illinois →

Other clinicians in Hammond Henry Dist Hospital

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

Clinician information

CredentialMD
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033854757
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