Mariah Bierlein, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

4901005975 Issued in MI

Practice address

1522 Janes Ave
Saginaw, MI 48601-1819

Phone

(989) 907-2709

Fax

(833) 488-3215

NPI assigned

Jun 4, 2026

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Specialty

Optometry

Education

Other, 2026

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Great Lakes Bay Health CentersGroup PAC ID 2466369046, shared by 30 NPIs, 85 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1780531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781395200000",
    "number": "1770416315",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10605 KING RD",
            "city": "FRANKENMUTH",
            "state": "MI",
            "postal_code": "487349749",
            "telephone_number": "989-798-6492"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1522 JANES AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486011819",
            "telephone_number": "989-907-2709",
            "fax_number": "833-488-3215"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIERLEIN",
        "first_name": "MARIAH",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-04",
        "last_updated": "2026-06-14",
        "certification_date": "2026-06-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "MI",
            "license": "4901005975",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kasandra Joy Bienkowski
• Bieri Hearing Instruments Inc
• Kirsten Bierlein-Hollenback
• Jennifer Ann Mueller Bierlein, DDS
• Joanna R Bierlein, DPT
• Mikayla Holli Bierschbach
• Myrtie Biery, CNP
• Kiley Bieskie
• Jeremy Douglas Bigelow, BS DC
• Peter John Biggane, MD

• Optometrist in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Optometrist in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.