Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John J Degroot, O.D.
Optometrist in Petoskey, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1689734105
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. John J Degroot
Credential O.D.
Sex Male
Practice address 614 Howard St, Petoskey, MI, 49770
Phone (231) 347-3298
Fax (231) 347-0564
Enumeration date Dec 12, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does John Degroot practice?
The practice location on file with NPPES is in Petoskey, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Degroot?
The National Provider Identifier (NPI) for John Degroot is 1689734105, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.