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Diagnostic Radiology

Gregory Mlacker, MD

Works at hospitals in Detroit, MI · Warren, MI · St Joseph, MI … · Michigan

Summary

Gregory Mlacker, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Detroit, MI, Warren, MI and St Joseph, MI and other places. NPI 1205219904. 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 Gregory Mlacker, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
University Of Miami, Lm Miller School Of MedicineMedical school
MaleGender (as listed)
Advanced Radiology Services PCGroup practice (+1 more)

Quick answers

Which hospitals does Gregory Mlacker work at?
Medicare's official clinician data lists Gregory Mlacker at 5 hospitals: Henry Ford Health St John Hospital, Henry Ford Health Warren Hospital, Lakeland Hospital, St Joseph, MyMichigan Medical Center Midland and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory Mlacker see patients?
Medicare's clinician data lists 5 practice locations, including Grand Rapids, MI, Detroit, MI and Novi, MI. Call before your visit to confirm the address.
What is Gregory Mlacker's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Gregory Mlacker accept Medicare assignment?
Yes. Medicare's clinician data says Gregory Mlacker 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 Gregory Mlacker?
(616) 363-7272, as listed in official Medicare / NPI Registry data.
What is Gregory Mlacker's NPI number?
1205219904. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory Mlacker works

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

Group practices

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

  • Advanced Radiology Services PC253 clinicians in the group
  • Eastpointe Radiologists, P.C.110 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Michigan →

Other radiologists in Grand Rapids

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

All radiologists in Grand Rapids →

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205219904
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