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JOHN N CAMPBELL MD PC
NPI 1598853608
Internal Medicine - Addiction Medicine in Kentwood, MI

Active since October 11, 2006
1676 VIEWPOND DRIVE SE, SUITE 100A, KENTWOOD, MI 49508(616) 455-9450(616) 455-5221 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 6, 2025, Nov 1, 2022, Dec 7, 2020 (3 updates tracked since 2020).

About John N Campbell Md Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN N CAMPBELL MD PC (NPI 1598853608), doing business as Grand Medical Associates, is a healthcare organization registered as an addiction medicine in Kentwood, Michigan and active in the NPI registry since October 2006. The organization lists John Nelson Campbell, President, as its authorized official.

NPPES Registry Identity

NPI1598853608
Entity TypeOrganization
Primary Taxonomy207RA0401X
Legal Business NameJOHN N CAMPBELL MD PC
Location Address1676 VIEWPOND DRIVE SE, SUITE 100AKentwood, MI 49508
Mailing Address1676 Viewpond Drive Se, Suite 100aKentwood, MI 49508 · (616) 455-9450 · Fax (616) 455-5221
Phone(616) 455-9450
Fax(616) 455-5221
Organization SubpartYes
Authorized OfficialJohn Nelson CampbellPresident · (616) 455-9450
Enumeration DateOctober 11, 2006
Last NPPES UpdateAugust 6, 20253 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
✔ NPI 1598853608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X
1676 VIEWPOND DRIVE SE, Kentwood, MI 49508
Open in Google Maps ↗

Other Names 1

Doing Business AsGrand Medical Associates

Other Identifiers 1

Medicaid1076881MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John N Campbell Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to John N Campbell MD PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

John Campbell, M.D.
Internal Medicine
NPI 1417901232
1676 VIEWPOND DR SE SUITE 100A
Kentwood, MI 49508
(616) 455-9450
✔ PECOS✔ Accepts MedicareSame address
Sherry Washburn, MSN, RN, NP-C
Nurse Practitioner
NPI 1154671527
1179 E PARIS AVE SE STE 200
Grand Rapids, MI 49546
(616) 455-9450
✔ PECOS✔ Accepts Medicare5.0 mi
Monica Lyons, FNP
Nurse Practitioner
NPI 1205989704
15100 WHITTAKER WAY
Grand Haven, MI 49417
(616) 935-6320
✔ PECOS✔ Accepts Medicare32 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John N Campbell MD PC's NPI number?

The NPI number for John N Campbell MD PC is 1598853608. It was assigned to this organization in the NPPES registry on October 11, 2006. The provider is doing business as Grand Medical Associates.

Where is John N Campbell MD PC located?

John N Campbell MD PC is located at 1676 Viewpond Drive SE Suite 100A, Kentwood, MI 49508. The listed phone number is (616) 455-9450.

What is John N Campbell MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is John N Campbell MD PC enrolled in Medicare?

Yes. John N Campbell MD PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through John N Campbell MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to John N Campbell MD PC, in Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does John N Campbell MD PC accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list John N Campbell MD PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John N Campbell MD PC was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.