NORTHWEST OPTOMETRY
NPI 1689904682
Optometrist in Sparta, MI

Q: What is Anne M. Pfeffer O.D., PLLC's NPI number?

The NPI number for Anne M. Pfeffer O.D., PLLC is 1689904682. It was assigned to this organization in the NPPES registry on January 13, 2010. The provider is doing business as Northwest Optometry.

Q: What is Anne M. Pfeffer O.D., PLLC's specialty?

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

Active since January 13, 2010

343 S. UNION ST, SPARTA, MI 49345(616) 887-2020(616) 887-3777 Get Directions Write a Review

NPPES record last updated: March 25, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Northwest Optometry NPPES

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

NORTHWEST OPTOMETRY (NPI 1689904682) is a healthcare organization registered as an optometrist in Sparta, Michigan and active in the NPI registry since January 2010. The organization lists Anne Michelle Einig, Doctor/owner, as its authorized official.

NPPES Registry Identity

NPI1689904682

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameANNE M. PFEFFER O.D., PLLC

Location Address343 S. UNION STSparta, MI 49345-1531

Mailing Address343 S. Union StSparta, MI 49345-1531 · (616) 887-2020 · Fax (616) 887-3777

Phone(616) 887-2020

Fax(616) 887-3777

Organization SubpartNo

Authorized OfficialAnne Michelle EinigDoctor/owner · (616) 887-2020

Enumeration DateJanuary 13, 2010

Last NPPES UpdateMarch 25, 2022

NPPES CertifiedMarch 25, 2022

✔ NPI 1689904682 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 · 4901004322

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.

343 S. UNION ST, Sparta, MI 49345

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Other Names 1

Doing Business AsNorthwest Optometry

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company.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)

Northwest Optometry is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Northwest Optometry, which bills Medicare for the services this clinician delivers.

Clinician (1)

Anne Einig, O.D.

Optometry

NPI 1326128810

343 S UNION ST
Sparta, MI 49345

(616) 887-2020

✔ PECOS✔ Accepts MedicareSame address

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 Anne M. Pfeffer O.D., PLLC's NPI number?

The NPI number for Anne M. Pfeffer O.D., PLLC is 1689904682. It was assigned to this organization in the NPPES registry on January 13, 2010. The provider is doing business as Northwest Optometry.

Where is Anne M. Pfeffer O.D., PLLC located?

Anne M. Pfeffer O.D., PLLC is located at 343 S. Union St, Sparta, MI 49345. The listed phone number is (616) 887-2020.

What is Anne M. Pfeffer O.D., PLLC's specialty?

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

Is Anne M. Pfeffer O.D., PLLC enrolled in Medicare?

Yes. Anne M. Pfeffer O.D., PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Anne M. Pfeffer O.D., PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Anne M. Pfeffer O.D., PLLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Anne M. Pfeffer O.D., PLLC accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Anne M. Pfeffer O.D., PLLC 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 Anne M. Pfeffer O.D., PLLC was last updated on March 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.