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Internal Medicine

Kali Gray, DO

Works at hospitals in Holland, MI · Grand Rapids, MI · Greenville, MI … · Michigan

Summary

Kali Gray, DO (Internal Medicine) is listed by Medicare at 5 hospitals in Holland, MI, Grand Rapids, MI and Greenville, MI and other places. NPI 1003439852. 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 Kali Gray, 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
6Years since medical school (graduated 2020)
Michigan State University College Of Osteopathic MedicineMedical school
FemaleGender (as listed)
Renal Associates of West Michigan PCGroup practice

Quick answers

Which hospitals does Kali Gray work at?
Medicare's official clinician data lists Kali Gray at 5 hospitals: Holland Hospital, Mercy Health Saint Mary's, Spectrum Health, Spectrum Health United Hospital and University of Michigan Health - West. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kali Gray see patients?
Medicare's clinician data lists 1 practice location in Grand Rapids, MI. Call before your visit to confirm the address.
What is Kali Gray's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
Does Kali Gray accept Medicare assignment?
Yes. Medicare's clinician data says Kali Gray 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 Kali Gray?
(616) 752-6235, as listed in official Medicare / NPI Registry data.
What is Kali Gray's NPI number?
1003439852. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kali Gray works

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

Group practices

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

  • Renal Associates of West Michigan PC20 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Grand Rapids

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

All internal medicine doctors in Grand Rapids →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003439852
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