Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John W. Marohn, OD

Individual provider Optometrist · NPI 1548265879

Dr. John W. Marohn, OD is an Optometry in Saint Joseph, Michigan. Graduated from Ferris State College - College of Optometry in 1991, 35 years ago. Works from 2 locations. Licensed in Michigan.

Years since qualifying
35
Trained at
Ferris State College - College of Optometry
Licensed in
MI
In the registry since
2005
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2848 Niles Rd
Saint Joseph, MI 49085-3352
Phone: (269) 428-3300
Fax: (269) 428-5005
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 120 Longmeadow Village Dr, Niles, MI 49120-7808 — (269) 684-6400

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4901003578 (MI)

Record details

NPI number1548265879
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 14, 2005
Last updated in NPPESJanuary 26, 2023
Certification dateJanuary 26, 2023
Mailing address2848 Niles Rd, Saint Joseph, MI 49085-3352

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolFERRIS STATE COLLEGE - COLLEGE OF OPTOMETRY
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Not indicated

Other providers in Saint Joseph