GRACE CHIYU TO OD
NPI 1114543527
Optometrist in Bronx, NY
About Grace Chiyu To Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE CHIYU TO OD (NPI 1114543527) is an individual optometrist in Bronx, New York, licensed in New York (TUV009137) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grace Chiyu To Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Grace To reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flushing, NY 11355
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Wilson Ko MD Facs PC
- 18 clinicians in this Medicare group
Sunnyside, NY 11104
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: M D Optics LLC
- 2 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 10458 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONX, NY 10458
BRONX, NY 10458
BRONX, NY 10458
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 Grace To's NPI number?
The NPI number for Grace To is 1114543527. It was assigned to this individual provider in the NPPES registry on June 22, 2020.
Where is Grace To located?
Grace To practices at 3130 Grand Concourse, Bronx, NY 10458. The listed phone number is (718) 749-3200.
What is Grace To's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Grace To enrolled in Medicare?
Yes. Grace To is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Grace To's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace To reassigns Medicare benefits to 2 organizations: Wilson Ko, M.D., F.A.C.S., P.C. (Flushing, NY) and MD Optics LLC (Sunnyside, NY). Each 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 Grace To's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Grace To was last updated on June 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Grace Chiyu To, OD · NPI 1114543527
Optometrist provider in Bronx, New York. Individual provider, active in the CMS NPPES registry since June 22, 2020.
## Identity
- **NPI:** 1114543527 (Entity type: Individual)
- **Enumerated:** June 22, 2020
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** TUV009137 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3130 GRAND CONCOURSE, Bronx, NY 10458-1213
- **Phone:** (718) 749-3200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Wilson Ko, M.D., F.A.C.S., P.C. (NPI 1437365665, Flushing, NY); MD Optics LLC (NPI 1386090413, Sunnyside, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 22, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1114543527) · Data from the CMS NPPES public registry.