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

Robert & William Hass Optometrists Professional Corp

Organization Optometrist · NPI 1275640740

Robert & William Hass Optometrists Professional Corp is an Optometrist in Chesaning, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
Specialties on file
3
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1180 W Broad St
Chesaning, MI 48616-1006
Phone: (989) 845-3835
Fax: (989) 845-3982
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4901002552 (MI)
Eyewear Supplier Taxonomy 332H00000X · Licence 4901002552 (MI)
Eyewear Supplier Taxonomy 332H00000X · Licence 4901002808 (MI)

Record details

NPI number1275640740
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Hass — President · (989) 845-3835
NPI enumeratedAugust 23, 2006
Last updated in NPPESOctober 25, 2017
Mailing address1180 W Broad St, Chesaning, MI 48616-1006

Other providers in Chesaning