DR. MARGARET WALKER GILLESPIE O.D.
NPI 1861533390
Optometrist in Avon, IN
About Dr. Margaret Walker Gillespie O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET WALKER GILLESPIE O.D. (NPI 1861533390) is an individual optometrist in Avon, Indiana, licensed in Indiana (IN18002582) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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)
Dr. Margaret Walker Gillespie O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Gillespie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Avon, IN 46123
- Reassigned Medicare billing, Indiana enrollment
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 46123 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 9
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 Margaret Gillespie's NPI number?
The NPI number for Margaret Gillespie is 1861533390. It was assigned to this individual provider in the NPPES registry on February 9, 2007. The provider is also known as Margaret F Walker O.D..
Where is Margaret Gillespie located?
Margaret Gillespie practices at 10209 E Us Highway 36, Avon, IN 46123. The listed phone number is (317) 271-6824.
What is Margaret Gillespie's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Margaret Gillespie enrolled in Medicare?
Yes. Margaret Gillespie is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Gillespie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Gillespie reassigns Medicare benefits to Fairchild Inc PC (Avon, IN). 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 Margaret Gillespie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Gillespie accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Louisiana and 4 other insurers list Margaret Gillespie 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 Margaret Gillespie was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Margaret Walker Gillespie, O.D. · NPI 1861533390
Optometrist provider in Avon, Indiana. Individual provider, active in the CMS NPPES registry since February 9, 2007.
## Identity
- **NPI:** 1861533390 (Entity type: Individual)
- **Enumerated:** February 9, 2007
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** IN18002582 (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10209 E US HIGHWAY 36, Avon, IN 46123-7985
- **Phone:** (317) 271-6824 · **Fax:** (317) 271-8089
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Fairchild Inc PC (NPI 1134577968, Avon, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN U57918 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1861533390) · Data from the CMS NPPES public registry.