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Orthopedic Surgery

Tim Lenters, MD

Works at hospitals in Grand Rapids, MI · Michigan

Summary

Tim Lenters, MD (Orthopedic Surgery) is listed by Medicare at 1 hospital in Grand Rapids, MI. NPI 1649211368. 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 Tim Lenters, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
Advantage Health/Saint Mary's Medical GroupGroup practice (+2 more)

Quick answers

Which hospitals does Tim Lenters work at?
Medicare's official clinician data lists Tim Lenters at 1 hospital: Mercy Health Saint Mary's. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tim Lenters see patients?
Medicare's clinician data lists 6 practice locations, including Caledonia, MI and Grand Rapids, MI. Call before your visit to confirm the address.
What is Tim Lenters's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Tim Lenters accept Medicare assignment?
Yes. Medicare's clinician data says Tim Lenters 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 Tim Lenters?
(616) 685-8850, as listed in official Medicare / NPI Registry data.
What is Tim Lenters's NPI number?
1649211368. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tim Lenters works

Medicare's Facility Affiliation Data lists Tim Lenters 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 Tim Lenters is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Tim Lenters as a member of these groups (CMS data updated 2026-10-02).

  • Advantage Health/Saint Mary's Medical Group505 clinicians in the group
  • Center for Physical Rehabilitation and Therapy LP369 clinicians in the group
  • Center for Physical Rehabilitation Inc357 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Michigan →

Other orthopedic surgeons in Caledonia

Clinicians with the same Medicare primary specialty in Caledonia, MI — not a recommendation.

All orthopedic surgeons in Caledonia →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649211368
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