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

Dr. Susan N Diederich, OD

Individual provider Optometrist · NPI 1750318580

Dr. Susan N Diederich, OD is an Optometry in Wauwatosa, Wisconsin. Graduated from Indiana University - School of Optometry in 2004, 22 years ago. Practices with Markerry Enterprises LLC, a 4-clinician group. Licensed in Wisconsin.

Years since qualifying
22
Trained at
Indiana University - School of Optometry
Licensed in
WI
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

7511 Harwood Ave
Wauwatosa, WI 53213-2606
Phone: (414) 453-1300
Fax: (414) 453-1330
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2981-035 (WI)

Record details

NPI number1750318580
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolINDIANA UNIVERSITY - SCHOOL OF OPTOMETRY
Graduated 2004 (22 years in practice)
Group practice Markerry Enterprises Llc — 4 clinicians
Accepts Medicare assignment Not indicated

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