Individual provider Active NPI

Gregory Michael Mlacker, M.D.

  • Diagnostic Radiology Physician
  • Grand Rapids, MI
National Provider Identifier
1205219904
Registry record updated Jul 15, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
4301504388 Issued in MI
Practice address
3264 N Evergreen Dr NE
Grand Rapids, MI 49525-9746
Phone
(616) 363-7272
Fax
(616) 361-5828
NPI assigned
Jun 30, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 15, 2021

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X A166901 CA
Internal Medicine Physician 207R00000X L801239 MI
Diagnostic Radiology Physician 2085R0202X 4301504388 MI Primary

Addresses

Primary practice location

3264 N Evergreen Dr NE
Grand Rapids, MI 49525-9746

Mailing address

3264 N Evergreen Dr NE
Grand Rapids, MI 49525-9746
Phone (616) 363-7272

Other practice location 1

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 353-1821

Other practice location 2

44405 Woodward Ave
Pontiac, MI 48341-5023
Phone (248) 858-6233

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, FL2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210629000524 MI Practitioner - Diagnostic Radiology 9931530961 Reassigns benefits to 3 organizations
I20221122000301 FL Practitioner - Diagnostic Radiology 9931530961 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
University of Miami, LM Miller School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advanced Radiology Services PCGroup PAC ID 4284546516, 252 clinicians
Eastpointe Radiologists PCGroup PAC ID 7618876327, shared by 2 NPIs, 112 clinicians

Practice addresses (Care Compare)

100 Michigan Ave NE
Grand Rapids, MI 49503-2560
Phone (616) 363-7272

22101 Moross Rd
Detroit, MI 48236-2148
Phone (313) 343-3248

25044 Hadlock Dr
Novi, MI 48374-2553
Phone (616) 363-7272

6755 Tiffany Cir
Canton, MI 48187-5260
Phone (616) 363-7272

7271 SW 113TH St
Pinecrest, FL 33156-4627
Phone (616) 363-7272

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.33 of 100Reported as group
Quality
91.31
Improvement activities
40
Cost
79.05

Merit-based Incentive Payment System (MIPS)

Final score
95.17 of 100Reported as group
Quality
91.34
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
90.26 of 100Reported as group
Quality
64.16
Promoting interoperability
100
Improvement activities
40
Cost
73.79

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
L801239MIMDInternal Medicine Physician
A166901CAMDDiagnostic Radiology Physician
4301504388MIMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Eastpointe Radiologists, P.C. Diagnostic Radiology CurrentSince May 3, 2025 Accepting new patients
VHS Physicians of Michigan Internal Medicine CurrentSince Jun 27, 2023 Accepting new patients
Eastpointe Radiologists, PC Diagnostic Radiology Current Accepting new patients

Locations

51307 Gratiot Ave
Chesterfield, MI 48051
Phone (586) 741-3772

36750 26 Mile Rd
Chesterfield, MI 48047
Phone (586) 879-2000

43900 Garfield Rd
Ste 222
Clinton Twp, MI 48038
Phone (586) 263-1234

4201 Saint Antoine St
Detroit, MI 48201
Phone (313) 745-3615

3901 Beaubien St
Detroit, MI 48201
Phone (313) 745-5227

22101 Moross Rd
Detroit, MI 48236
Phone (313) 343-3248

4100 S River Rd
East China, MI 48054
Phone (810) 329-6677

17141 Kercheval Ave
Grosse Pointe, MI 48230
Phone (313) 642-4980

21003 Mack Ave
Grosse Pointe Woods, MI 48236
Phone (313) 881-0411

46591 Romeo Plank Rd
Macomb, MI 48044
Phone (586) 226-6269

17700 23 Mile Rd
Macomb, MI 48044
Phone (586) 416-7500

46591 Romeo Plank Rd
Ste 220
Macomb, MI 48044
Phone (586) 226-6170

27351 Dequindre Rd
Madison Hts, MI 48071
Phone (248) 967-7000

44405 Woodward Ave
Pontiac, MI 48341
Phone (248) 858-3000

13350 24 Mile Rd
Ste 200
Shelby Township, MI 48315
Phone (586) 566-7100

21000 E 12 Mile Rd
St Clr Shores, MI 48081
Phone (586) 447-5000

11800 E 12 Mile Rd
Warren, MI 48093
Phone (586) 573-5000

64580 Van Dyke Rd
Ste C
Washington Township, MI 48095
Phone (586) 752-9483

Interoperability endpoints

  • Direct secure messaging: gmlacker145175@direct.covenanthealthcare.com

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1435622400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1626307200000",
    "number": "1205219904",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3264 N EVERGREEN DR NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495259746",
            "telephone_number": "616-363-7272",
            "fax_number": "616-361-5828"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3264 N EVERGREEN DR NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495259746",
            "telephone_number": "616-363-7272",
            "fax_number": "616-361-5828"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "505 Parnassus Ave",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941432204",
            "country_code": "US",
            "telephone_number": "415-353-1821",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "44405 Woodward Ave",
            "address_purpose": "LOCATION",
            "city": "Pontiac",
            "state": "MI",
            "postal_code": "483415023",
            "country_code": "US",
            "telephone_number": "248-858-6233",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MLACKER",
        "first_name": "GREGORY",
        "middle_name": "MICHAEL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-06-30",
        "last_updated": "2021-07-15",
        "certification_date": "2021-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A166901",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "L801239",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MI",
            "license": "4301504388",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.