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Internal Medicine

Jonathan Vanderslik, MD

Works at hospitals in Shelby, MI · Grand Rapids, MI · Muskegon, MI · Michigan

Summary

Jonathan Vanderslik, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Shelby, MI, Grand Rapids, MI and Muskegon, MI. NPI 1477815850. 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 Jonathan Vanderslik, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
Michigan State University College Of Human MedicineMedical school
MaleGender (as listed)
Mercy Physician NetworkGroup practice

Quick answers

Which hospitals does Jonathan Vanderslik work at?
Medicare's official clinician data lists Jonathan Vanderslik at 4 hospitals: Mercy Health Lakeshore Campus, Mercy Health Saint Mary's, Spectrum Health and Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan Vanderslik see patients?
Medicare's clinician data lists 1 practice location in Muskegon, MI. Call before your visit to confirm the address.
What is Jonathan Vanderslik's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jonathan Vanderslik accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan Vanderslik 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 Jonathan Vanderslik?
(231) 672-3333, as listed in official Medicare / NPI Registry data.
What is Jonathan Vanderslik's NPI number?
1477815850. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan Vanderslik works

Medicare's Facility Affiliation Data lists Jonathan Vanderslik 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 Jonathan Vanderslik is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jonathan Vanderslik as a member of this group (CMS data updated 2026-10-02).

  • Mercy Physician Network112 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Muskegon

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

All internal medicine doctors in Muskegon →

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Human Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477815850
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