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

John M Graether, MD

Individual provider Ophthalmology Physician · NPI 1902898794

John M Graether, MD is an Ophthalmology Physician in Marshalltown, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

309 E Church St
Marshalltown, IA 50158-2946
Phone: (641) 754-6200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 16441 (IA)

Record details

NPI number1902898794
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 17, 2005
Last updated in NPPESJune 13, 2008
Mailing address309 E Church St, Marshalltown, IA 50158-2946

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