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

John G Thomsen, OD

Individual provider Optometrist · NPI 1205801941

John G Thomsen, OD is an Optometry in Corning, Iowa. Graduated from University of Houston - College of Optometry in 1999, 27 years ago. Practices with Eye Care Associates of Co LLC, a 62-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
27
Trained at
University of Houston - College of Optometry
Licensed in
IA
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

715 Davis Ave
Corning, IA 50841-1418
Phone: (641) 322-3147
Fax: (641) 322-3853
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1938T (IA)

Record details

NPI number1205801941
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESOctober 9, 2012
Mailing address715 Davis Ave, Corning, IA 50841-1418

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF HOUSTON - COLLEGE OF OPTOMETRY
Graduated 1999 (27 years in practice)
Group practice Eye Care Associates Of Co Llc — 62 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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