NPIMap

Organization Active NPI

John N Campbell MD PC

Doing business as Grand Medical Associates

  • Addiction Medicine (Internal Medicine) Physician
  • Kentwood, MI
National Provider Identifier
1598853608
Registry record updated Aug 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction Medicine (Internal Medicine) PhysicianTaxonomy code 207RA0401X
Legal business name
JOHN N CAMPBELL MD PC
Doing business as
Grand Medical Associates
Practice address
1676 Viewpond Drive SE
Suite 100a
Kentwood, MI 49508
Phone
(616) 455-9450
Fax
(616) 455-5221
NPI assigned
Oct 11, 2006
Last updated
Aug 6, 2025By the provider in NPPES
Organization subpart
Yes
Parent organization
JOHN N CAMPBELL MD PCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Aug 6, 2025

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

Authorized official

Name
John Nelson Campbell, MDNPI 1417901232
Title
President
Phone
(616) 455-9450

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction Medicine (Internal Medicine) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RA0401X Primary
Clinical Medical Laboratory 291U00000X

Addresses

Primary practice location

1676 Viewpond Drive SE
Suite 100a
Kentwood, MI 49508

Mailing address

1676 Viewpond Drive SE
Suite 100a
Kentwood, MI 49508
Phone (616) 455-9450

Other identifiers 1

IdentifierTypeStateIssuer
1076881MedicaidMI

Other names 1

  • Grand Medical Associates Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20060228000650 MI Part B Supplier - Clinic/Group Practice 9335155316 Receives reassigned benefits from 7 practitioners
Practice locations: Kentwood, MI

National Provider Directory

National Provider Directory
Part of
John N Campbell MD PC

Locations

1676 Viewpond Dr SE
Kentwood, MI 49508
Phone (616) 281-7111

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

Practitioners & affiliated clinicians

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1160524800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754438400000",
    "number": "1598853608",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1676 VIEWPOND DRIVE SE",
            "address_2": "SUITE 100A",
            "city": "KENTWOOD",
            "state": "MI",
            "postal_code": "49508",
            "telephone_number": "616-455-9450",
            "fax_number": "616-455-5221"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1676 VIEWPOND DRIVE SE",
            "address_2": "SUITE 100A",
            "city": "KENTWOOD",
            "state": "MI",
            "postal_code": "49508",
            "telephone_number": "616-455-9450",
            "fax_number": "616-455-5221"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "JOHN N CAMPBELL MD PC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "JOHN N CAMPBELL MD PC",
        "enumeration_date": "2006-10-11",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A",
        "authorized_official_last_name": "CAMPBELL",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "NELSON",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "616-455-9450",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RA0401X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1076881",
            "state": "MI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Grand Medical Associates",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Kentwood, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.