GRATTAN OPTOMETRY
NPI 1629301635
Optometrist in Clarkston, MI

Active since September 09, 2009
20 W WASHINGTON ST, SUITE 7, CLARKSTON, MI 48346(248) 625-3500(248) 625-0025 Get Directions Write a Review

NPPES record last updated: May 7, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Grattan Optometry NPPES

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

GRATTAN OPTOMETRY (NPI 1629301635) is a healthcare organization registered as an optometrist in Clarkston, Michigan and active in the NPI registry since September 2009. The organization lists Jill Renee Schnurer, Member Owner, as its authorized official.

NPPES Registry Identity

NPI1629301635
Entity TypeOrganization
Primary Taxonomy152W00000X
Legal Business NameSMARCH EYECARE ASSOCIATES, PLLC
Location Address20 W WASHINGTON ST, SUITE 7Clarkston, MI 48346-1576
Mailing Address20 W Washington St, Suite 7Clarkston, MI 48346-1576 · (248) 625-3500 · Fax (248) 625-0025
Fax(248) 625-0025
Organization SubpartNo
Authorized OfficialJill Renee SchnurerMember Owner · (248) 625-3500
Enumeration DateSeptember 9, 2009
Last NPPES UpdateMay 7, 2010
✔ NPI 1629301635 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 · 4901004204
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.
20 W WASHINGTON ST, Clarkston, MI 48346

Other Names 1

Doing Business AsGrattan Optometry

Other Identifiers 1

Medicare PINMI2076MI

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMichiganEnrollment IDO20091005000013Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Grattan Optometry, 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)

Optometry
NPI 1780711564
20 W. WASHINGTON SUITE 7
Clarkston, MI 48346
(313) 729-7483
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1710053152
3 E WASHINGTON ST
Clarkston, MI 48346
(248) 625-3500
✔ PECOS✔ Accepts Medicare0.1 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 Smarch Eyecare Associates, PLLC's NPI number?

The NPI number for Smarch Eyecare Associates, PLLC is 1629301635. It was assigned to this organization in the NPPES registry on September 9, 2009. The provider is doing business as Grattan Optometry.

Where is Smarch Eyecare Associates, PLLC located?

Smarch Eyecare Associates, PLLC is located at 20 W Washington St Suite 7, Clarkston, MI 48346. The listed phone number is (248) 625-3500.

What is Smarch Eyecare Associates, PLLC's specialty?

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

Is Smarch Eyecare Associates, PLLC enrolled in Medicare?

Yes. Smarch Eyecare Associates, PLLC is registered in the Medicare PECOS enrollment system.

When is Smarch Eyecare Associates, PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Michigan, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Smarch Eyecare Associates, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to Smarch Eyecare Associates, 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. 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 Smarch Eyecare Associates, PLLC accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Smarch Eyecare Associates, 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 Smarch Eyecare Associates, PLLC was last updated on May 7, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.