Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. George John Lach Jr., OD

Individual provider Optometrist · NPI 1609826577

Dr. George John Lach Jr., OD is an Optometry in Mankato, Minnesota. Graduated from Pacific University - College of Optometry in 1999, 27 years ago. Practices with Carlson Tillisch Eye Clinic Ltd, a 6-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
27
Trained at
Pacific University - College of Optometry
Licensed in
MN
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

220 E Main St
Mankato, MN 56001-3574
Phone: (507) 345-5087
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2758 (MN)

Record details

NPI number1609826577
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 1999 (27 years in practice)
Group practice Carlson Tillisch Eye Clinic Ltd — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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