ANN A WALKER O.D.
NPI 1114019114
Optometrist in Grand Blanc, MI
About Ann A Walker O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN A WALKER O.D. (NPI 1114019114) is an individual optometrist in Grand Blanc, Michigan, licensed in Michigan (4901002877) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ann A Walker O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ann Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Blanc, MI 48439
- Reassigned Medicare billing, Michigan enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48439 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ann Walker's NPI number?
The NPI number for Ann Walker is 1114019114. It was assigned to this individual provider in the NPPES registry on September 28, 2006.
Where is Ann Walker located?
Ann Walker practices at 11225 S Saginaw St, Grand Blanc, MI 48439. The listed phone number is (810) 694-3937.
What is Ann Walker's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Ann Walker enrolled in Medicare?
Yes. Ann Walker is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ann Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Walker reassigns Medicare benefits to Grand Blanc Eyes PLLC (Grand Blanc, MI). The 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 Ann Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Walker accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Oscar Health and 8 other insurers list Ann Walker 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 Ann Walker was last updated on November 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.