Individual provider Active NPI

Mark David Brombacher, MD

  • Emergency Medicine Physician
  • Grand Rapids, MI
National Provider Identifier
1437737095
Registry record updated Sep 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
4351047952 Issued in MI
Practice address
100 Michigan St NE # MC49
Grand Rapids, MI 49503-2560
Phone
(616) 391-1680
Fax
(616) 391-3674
NPI assigned
Apr 1, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 1437737095 MI
Emergency Medicine Physician 207P00000X 4351047952 MI Primary

Addresses

Primary practice location

100 Michigan St NE # MC49
Grand Rapids, MI 49503-2560

Mailing address

100 Michigan St NE # MC49
Grand Rapids, MI 49503-2560
Phone (616) 391-1680

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
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 1

Enrollment IDStateProvider typePAC IDDetails
I20230825003426 MI Practitioner - Emergency Medicine 6507267846 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
New York Medical College, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ecs Western Michigan PCGroup PAC ID 8628327384, 202 clinicians

Practice addresses (Care Compare)

1009 W Green St
Hastings, MI 49058-1710
Phone (269) 945-3451

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.48 of 100Reported as group
Quality
89.26
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
92.11 of 100Reported as group
Quality
81.85
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1437737095MIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ecs Western Michigan PC Anesthesiology CurrentSince Aug 23, 2023 Accepting new patients

Locations

100 Michigan St NE
Grand Rapids, MI 49503
Phone (616) 391-1680

1840 Wealthy St SE
Grand Rapids, MI 49506
Phone (616) 391-1730

100 Michigan St NE
#49
Grand Rapids, MI 49503
Phone (616) 391-1680

615 S Bower St
Greenville, MI 48838
Phone (616) 754-4341

1009 W Green St
Hastings, MI 49058
Phone (269) 945-1212

1 Atkinson Dr
Ludington, MI 49431
Phone (231) 843-2591

Organizations & group practices 2

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 3

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": "1617235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1437737095",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE # MC49",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-391-1680",
            "fax_number": "616-391-3674"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE # MC49",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-391-1680",
            "fax_number": "616-391-3674"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BROMBACHER",
        "first_name": "MARK",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-01",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MI",
            "license": "1437737095",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "4351047952",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.