Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John W. Marohn, O.D.
Optometrist in Saint Joseph, MI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548265879
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Registry record
Entity type Individual (Type 1)
Name Dr. John W. Marohn
Credential O.D.
Sex Male
Practice address 2848 Niles Rd, Saint Joseph, MI, 49085
Phone (269) 428-3300
Fax (269) 428-5005
Enumeration date Jun 14, 2005
Last updated in NPPES Jan 26, 2023
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 3186238 | Medicaid | MI | - |
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 Marohn practice?
The practice location on file with NPPES is in Saint Joseph, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Marohn?
The National Provider Identifier (NPI) for John Marohn is 1548265879, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Great Lakes Eye Care PC Ophthalmology Physician · Saint Joseph, MI NPI 1922002708 Ronald Mckey Ophthalmology Physician · Saint Joseph, MI NPI 1700881166 David Cooke Ophthalmology Physician · Saint Joseph, MI NPI 1942205315 Duane Tolsma Optometrist · Saint Joseph, MI NPI 1306841630 Stanley Pletcher Ophthalmology Physician · Saint Joseph, MI NPI 1427053826 David Brown Ophthalmology Physician · Saint Joseph, MI NPI 1265437370 Andrew Wang Ophthalmology Physician · Saint Joseph, MI NPI 1992701098 Benjamin Nicholson Retina Specialist (Ophthalmology) Physician · Saint Joseph, MI NPI 1003016916
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-26.