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

Dr. Mariah Bierlein, OD

Individual provider Optometrist · NPI 1770416315

Dr. Mariah Bierlein, OD is an Optometry in Saginaw, Michigan. Licensed in Michigan. Registered with an NPI since 2026.

Licensed in
MI
In the registry since
2026
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

1522 Janes Ave
Saginaw, MI 48601-1819
Phone: (989) 907-2709
Fax: (833) 488-3215
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4901005975 (MI)

Record details

NPI number1770416315
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 4, 2026
Last updated in NPPESJune 14, 2026
Certification dateJune 14, 2026
Mailing address10605 King Rd, Frankenmuth, MI 48734-9749

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2026 (0 years in practice)
Accepts Medicare assignment Not indicated

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