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

Michael James Thaanum, OD

Individual provider Optometrist · NPI 1285785915

Michael James Thaanum, OD is an Optometrist in Hayward, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

500 Southland Mall
Hayward, CA 94545-2148
Phone: (510) 887-2800
Fax: (510) 887-2812
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 6571TPA (CA)

Record details

NPI number1285785915
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJanuary 16, 2007
Last updated in NPPESOctober 14, 2009

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