DR. ERIC TO O.D.
NPI 1811250954
Optometrist in Sierra Madre, CA
About Dr. Eric To O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC TO O.D. (NPI 1811250954) is an individual optometrist in Sierra Madre, California, licensed in California (14427) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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. Eric To O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Eric To reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sierra Madre, CA 91024
- Reassigned Medicare billing, California enrollment
- 3 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91024 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 2
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 Eric To's NPI number?
The NPI number for Eric To is 1811250954. It was assigned to this individual provider in the NPPES registry on June 22, 2012.
Where is Eric To located?
Eric To practices at 14 W Sierra Madre Blvd, Sierra Madre, CA 91024. The listed phone number is (626) 921-0199.
What is Eric To's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Eric To enrolled in Medicare?
Yes. Eric To is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Eric To's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric To reassigns Medicare benefits to Lumen Optometric (Sierra Madre, CA). 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 Eric To's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric To 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 Providence Health Plan list Eric To 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 Eric To was last updated on April 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Eric To, O.D. · NPI 1811250954
Optometrist provider in Sierra Madre, California. Individual provider, active in the CMS NPPES registry since June 22, 2012.
## Identity
- **NPI:** 1811250954 (Entity type: Individual)
- **Enumerated:** June 22, 2012
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 14427 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 14 W SIERRA MADRE BLVD, Sierra Madre, CA 91024-2434
- **Phone:** (626) 921-0199
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Lumen Optometric (NPI 1780123745, Sierra Madre, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 29, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1811250954) · Data from the CMS NPPES public registry.