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

Dr. Jason Maasdam, OD

Individual provider Optometrist · NPI 1922081678

Dr. Jason Maasdam, OD is an Optometry in Knoxville, Iowa. Graduated from Illinois College of Optometry at Chicago in 1998, 28 years ago. Practices with Eye Health Solutions PC, a 2-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
28
Trained at
Illinois College of Optometry at Chicago
Licensed in
IA
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.

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Practice location Address checks out

100 S 5th St
Knoxville, IA 50138-1712
Phone: (641) 842-3616
Fax: (641) 842-5453
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 02116 (IA)

Record details

NPI number1922081678
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedNovember 28, 2005
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 1998 (28 years in practice)
Group practice Eye Health Solutions Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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