Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DR. MARIAH BIERLEIN OD
NPI 1770416315
Optometrist in Saginaw, MI

Q: What is Mariah Bierlein's NPI number?

The NPI number for Mariah Bierlein is 1770416315. It was assigned to this individual provider in the NPPES registry on June 4, 2026.

Q: What is Mariah Bierlein's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Mariah Bierlein was last updated on June 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 04, 2026PECOS Enrolled

1522 JANES AVE, SAGINAW, MI 48601(989) 907-2709(833) 488-3215 Get Directions Write a Review

NPPES record added: June 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Mariah Bierlein Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARIAH BIERLEIN OD (NPI 1770416315) is an individual optometrist in Saginaw, Michigan, licensed in Michigan (4901005975) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2026).

NPPES Registry Identity

NPI1770416315

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. MARIAH BIERLEINCredential: OD

Location Address1522 JANES AVESaginaw, MI 48601-1819

Mailing Address10605 King RdFrankenmuth, MI 48734-9749 · (989) 798-6492

Phone(989) 907-2709

Fax(833) 488-3215

Sole ProprietorNo

Medical School CMSOtherGraduated 2026

Enumeration DateJune 4, 2026

Last NPPES UpdateJune 14, 2026

NPPES CertifiedJune 14, 2026

✔ NPI 1770416315 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in MI · 4901005975

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

1522 JANES AVE, Saginaw, MI 48601

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mariah Bierlein Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3678037983

PECOS Enrollment IDI20260708002268

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.15 typical visit price

range $54.34 – $166.68

Typical copayment $31.53 (range $13.58 – $41.67)

Most-billed visit code 99204

Established Patient

$68.07 typical visit price

range $17.09 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ENAM BEHNAM HANNA MD

Family Medicine