Quick answers
- Which hospitals does John N. Campbell work at?
- Medicare's official clinician data lists John N. Campbell at 1 hospital: Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John N. Campbell see patients?
- Medicare's clinician data lists 1 practice location in Kentwood, MI. Call before your visit to confirm the address.
- What is John N. Campbell's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John N. Campbell accept Medicare assignment?
- Yes. Medicare's clinician data says John N. Campbell accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John N. Campbell offer telehealth?
- Medicare's clinician data says John N. Campbell offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John N. Campbell?
- (616) 455-9450, as listed in official Medicare / NPI Registry data.
- What is John N. Campbell's NPI number?
- 1417901232. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John N. Campbell works
Medicare's Facility Affiliation Data lists John N. Campbell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where John N. Campbell is enrolled with Medicare (CMS data updated 2026-10-02).
- 1676 Viewpond Dr SE, Suite 100aKentwood, MI 49508 (616) 455‑9450
Group practices
Medicare enrollment lists John N. Campbell as a member of this group (CMS data updated 2026-10-02).
- John N Campbell MD PC6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Kentwood
Clinicians with the same Medicare primary specialty in Kentwood, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417901232 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians