RIVIERA VILLAGE OPTOMETRY PC
NPI 1457537946
Optometrist in Redondo Beach, CA
About Riviera Village Optometry Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIVIERA VILLAGE OPTOMETRY PC (NPI 1457537946), doing business as Mark Hilker Williams, is a healthcare organization registered as an optometrist in Redondo Beach, California and active in the NPI registry since January 2008. The organization lists Lynn Oku, Optometrist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Group Practice 1
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)
Riviera Village Optometry Pc 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.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Riviera Village Optometry PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 Riviera Village Optometry PC's NPI number?
The NPI number for Riviera Village Optometry PC is 1457537946. It was assigned to this organization in the NPPES registry on January 14, 2008. The provider was formerly known as Mark Hilker Williams.
Where is Riviera Village Optometry PC located?
Riviera Village Optometry PC is located at 239 Avenida Del Norte, Redondo Beach, CA 90277. The listed phone number is (310) 540-5545.
What is Riviera Village Optometry PC's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Riviera Village Optometry PC enrolled in Medicare?
Yes. Riviera Village Optometry PC is registered in the Medicare PECOS enrollment system.
When is Riviera Village Optometry PC'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 (California, 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 Riviera Village Optometry PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to Riviera Village Optometry PC. 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, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Riviera Village Optometry PC accept?
Health plans from Anthem Blue Cross and Blue Shield and BlueCross BlueShield of Tennessee list Riviera Village Optometry PC 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 Riviera Village Optometry PC was last updated on February 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Riviera Village Optometry Pc · NPI 1457537946
Optometrist organization in Redondo Beach, California. Organization record, active in the CMS NPPES registry since January 14, 2008.
## Identity
- **NPI:** 1457537946 (Entity type: Organization)
- **Enumerated:** January 14, 2008
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Organization subpart:** No
- **Authorized official:** Lynn Oku, OPTOMETRIST
## Practice location
- **Address:** 239 AVENIDA DEL NORTE, Redondo Beach, CA 90277-5702
- **Phone:** (310) 540-5545 · **Fax:** (310) 540-5536
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians (Optometry) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 7, 2013
- **Other identifiers:** Medicare PIN DT2971 (CA); Medicare NSC 6677080001 (CA); Medicare PIN GD274A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1457537946) · Data from the CMS NPPES public registry.