CHARLES E LYON, MD, APMC
NPI 1689789562
Optometrist in Shreveport, LA
About Charles E Lyon, Md, Apmc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES E LYON, MD, APMC (NPI 1689789562), doing business as Vitreo-retinal Associates, is a healthcare organization registered as an optometrist in Shreveport, Louisiana and active in the NPI registry since August 2006. The organization lists Charles E Lyon, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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)
Charles E Lyon, Md, Apmc 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
6Medicare enrollment records show 6 clinicians reassign Medicare billing to Charles E Lyon, MD, Apmc, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (6)
Shreveport, LA 71104
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 Charles E Lyon, MD, Apmc's NPI number?
The NPI number for Charles E Lyon, MD, Apmc is 1689789562. It was assigned to this organization in the NPPES registry on August 20, 2006. The provider was formerly known as Vitreo-Retinal Associates.
Where is Charles E Lyon, MD, Apmc located?
Charles E Lyon, MD, Apmc is located at 836 Olive St, Shreveport, LA 71104. The listed phone number is (318) 222-8421.
What is Charles E Lyon, MD, Apmc's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Charles E Lyon, MD, Apmc enrolled in Medicare?
Yes. Charles E Lyon, MD, Apmc is registered in the Medicare PECOS enrollment system.
When is Charles E Lyon, MD, Apmc'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 (Texas, 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 Charles E Lyon, MD, Apmc?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Charles E Lyon, MD, Apmc. 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. The largest specialties are Optometry (4) and Ophthalmology (2). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Charles E Lyon, MD, Apmc accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Charles E Lyon, MD, Apmc 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 Charles E Lyon, MD, Apmc was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Charles E Lyon, Md, Apmc · NPI 1689789562
Optometrist organization in Shreveport, Louisiana. Organization record, active in the CMS NPPES registry since August 20, 2006.
## Identity
- **NPI:** 1689789562 (Entity type: Organization)
- **Enumerated:** August 20, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Also known as:** VITREO-RETINAL ASSOCIATES (Former Legal Business Name)
- **Organization subpart:** No
- **Authorized official:** Charles Lyon, PRESIDENT
## Practice location
- **Address:** 836 OLIVE ST, Shreveport, LA 71104-2102
- **Phone:** (318) 222-8421 · **Fax:** (318) 673-8970
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 6 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Optometry (4), Ophthalmology (2) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1689789562) · Data from the CMS NPPES public registry.