Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GLEN A. LINSLEY OPTOMETRIST, PC
NPI 1063735520
Optometrist in Mason, MI

Q: What is Dr. Glen A. Linsley Optometrist, PC's NPI number?

The NPI number for Dr. Glen A. Linsley Optometrist, PC is 1063735520. It was assigned to this organization in the NPPES registry on March 11, 2010.

Q: What is Dr. Glen A. Linsley Optometrist, PC's specialty?

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

Active since March 11, 2010

104 S LANSING ST, MASON, MI 48854(517) 676-4499(517) 676-3221 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Glen A. Linsley Optometrist, Pc NPPES

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

DR. GLEN A. LINSLEY OPTOMETRIST, PC (NPI 1063735520) is a healthcare organization registered as an optometrist in Mason, Michigan and active in the NPI registry since March 2010. The organization lists Brett Linsley, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1063735520

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameDR. GLEN A. LINSLEY OPTOMETRIST, PC

Location Address104 S LANSING STMason, MI 48854-1514

Mailing Address104 S Lansing StMason, MI 48854-1514 · (517) 676-4499 · Fax (517) 676-3221

Phone(517) 676-4499

Fax(517) 676-3221

Organization SubpartNo

Authorized OfficialBrett LinsleyPractice Manager · (517) 676-4499

Enumeration DateMarch 11, 2010

Last NPPES UpdateOctober 7, 2026

NPPES CertifiedOctober 7, 2026

✔ NPI 1063735520 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 · GL002568

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.

104 S LANSING ST, Mason, MI 48854

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Other Identifiers 2

Other0C30191MI · Blue Cross Blue Shield Of Michigan

Medicaid945050168MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Glen A. Linsley Optometrist, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Dr. Glen A. Linsley Optometrist, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Chad Linsley, O.D.

Optometry

NPI 1477865863

104 S LANSING ST
Mason, MI 48854

(517) 676-4499

✔ PECOS✔ Accepts MedicareSame address

Glen Linsley, OD

Optometry

NPI 1497836266

109 E MAPLE ST
Mason, MI 48854

(517) 676-4499

✔ PECOS✔ Accepts Medicare0.3 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dr. Glen A. Linsley Optometrist, PC's NPI number?

The NPI number for Dr. Glen A. Linsley Optometrist, PC is 1063735520. It was assigned to this organization in the NPPES registry on March 11, 2010.

Where is Dr. Glen A. Linsley Optometrist, PC located?

Dr. Glen A. Linsley Optometrist, PC is located at 104 S Lansing St, Mason, MI 48854. The listed phone number is (517) 676-4499.

What is Dr. Glen A. Linsley Optometrist, PC's specialty?

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

Is Dr. Glen A. Linsley Optometrist, PC enrolled in Medicare?

Yes. Dr. Glen A. Linsley Optometrist, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr. Glen A. Linsley Optometrist, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to Dr. Glen A. Linsley Optometrist, PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Dr. Glen A. Linsley Optometrist, PC accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 2 other insurers list Dr. Glen A. Linsley Optometrist, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dr. Glen A. Linsley Optometrist, PC was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.