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Otolaryngology

John B. Riley, DO

Works at hospitals in Hastings, MI · Grand Rapids, MI · Greenville, MI … · Michigan

Summary

John B. Riley, DO (Otolaryngology) is listed by Medicare at 5 hospitals in Hastings, MI, Grand Rapids, MI and Greenville, MI and other places. NPI 1629573662. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John B. Riley, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
Michigan State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Michigan Ear Nose Throat and Allergy Specialists PCGroup practice

Quick answers

Which hospitals does John B. Riley work at?
Medicare's official clinician data lists John B. Riley at 5 hospitals: Corewell Health Pennock Hospital, Mercy Health Saint Mary's, Spectrum Health, Spectrum Health United Hospital and University of Michigan Health - West. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John B. Riley see patients?
Medicare's clinician data lists 2 practice locations, including Grand Haven, MI and Grand Rapids, MI. Call before your visit to confirm the address.
What is John B. Riley's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does John B. Riley accept Medicare assignment?
Yes. Medicare's clinician data says John B. Riley 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.
What is the phone number for John B. Riley?
(616) 414-3088, as listed in official Medicare / NPI Registry data.
What is John B. Riley's NPI number?
1629573662. 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 B. Riley works

Medicare's Facility Affiliation Data lists John B. Riley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John B. Riley is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John B. Riley as a member of this group (CMS data updated 2026-10-02).

  • Michigan Ear Nose Throat and Allergy Specialists PC43 clinicians in the group

Specialties

Find other Otolaryngology doctors in Michigan →

Other ENT doctors in Grand Haven

Clinicians with the same Medicare primary specialty in Grand Haven, MI — not a recommendation.

All ENT doctors in Grand Haven →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629573662
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians