Individual provider Active NPI

Jacob John Baker, MD, PHD

  • Internal Medicine Physician
  • Grand Rapids, MI
National Provider Identifier
1093377012
Registry record updated May 31, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
4351045602 Issued in MI
Practice address
25 Michigan St NE Ste 2100
Grand Rapids, MI 49503-2526
Phone
(616) 391-3777
NPI assigned
Jun 29, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 31, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 4351045602 MI Primary

Addresses

Primary practice location

25 Michigan St NE Ste 2100
Grand Rapids, MI 49503-2526

Mailing address

25 Michigan St NE Ste 2100
Grand Rapids, MI 49503-2526

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
I20241227002214 MI Practitioner - Internal Medicine 3072841436 Reassigns benefits to 2 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Advantage Health/Saint Mary'S Medical Group Current Accepting new patients
Advantage Health Saint Mary'S Medical Group CurrentSince May 1, 2025 Accepting new patients
Western Michigan University School of Medicine CurrentSince Oct 25, 2024 Accepting new patients
Advantage Health Saint Mary'S Medical Group CurrentSince May 1, 2025 Accepting new patients
Michigan State University Kalamazoo Center for Medical Studies Past Accepting new patients

Locations

10047 Crossroad Ct SE
Caledonia, MI 49316
Phone (616) 685-8850

310 Lafayette Ave SE
Ste 410
Grand Rapids, MI 49503
Phone (616) 685-8200

1000 Oakland Dr
Kalamazoo, MI 49008
Phone (269) 337-4347

Interoperability endpoints

  • Direct secure messaging: jbaker1830065@direct.trinity-health.org

Organizations & group practices 5

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 2

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

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Western Michigan University School of Medicine 76 clinicians
Advantage Health/Saint Mary'S Medical Group 499 clinicians

Practice addresses (Care Compare)

1000 Oakland Dr
Kalamazoo, MI 49008-1282
Phone (269) 337-4347

310 Lafayette Ave SE
Suite 410
Grand Rapids, MI 49503-4693
Phone (616) 685-8200

Hospital & facility affiliations

  • Mercy Health Saint Mary'S Hospital, Grand Rapids, MI, CCN 230059
  • Bronson Methodist Hospital Hospital, Kalamazoo, MI, CCN 230017

NPI Registry JSON

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

{
    "created_epoch": "1561766400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1653955200000",
    "number": "1093377012",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 MICHIGAN ST NE STE 2100",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032526"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 MICHIGAN ST NE STE 2100",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032526",
            "telephone_number": "616-391-3777"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAKER",
        "first_name": "JACOB",
        "middle_name": "JOHN",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-29",
        "last_updated": "2022-05-31",
        "certification_date": "2022-05-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4351045602",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

Verify at the official NPI Registry.