DR. CHARLES A NASSAUER O.D.
NPI 1275677783
Optometrist in Slidell, LA
About Dr. Charles A Nassauer O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES A NASSAUER O.D. (NPI 1275677783) is an individual optometrist in Slidell, Louisiana, licensed in Louisiana (919183T) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Southern College Of Optometry (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Charles A Nassauer O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Charles Nassauer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Slidell, LA 70460
- Reassigned Medicare billing, Louisiana enrollment
- 45 clinicians in this Medicare group
Bogalusa, LA 70427
- Reassigned Medicare billing, Louisiana enrollment
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 2
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 70460 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.
SLIDELL, LA 70460
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 Nassauer's NPI number?
The NPI number for Charles Nassauer is 1275677783. It was assigned to this individual provider in the NPPES registry on February 16, 2007.
Where is Charles Nassauer located?
Charles Nassauer practices at 170 Northshore Blvd Ste C, Slidell, LA 70460. The listed phone number is (985) 641-1228.
What is Charles Nassauer's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Charles Nassauer enrolled in Medicare?
Yes. Charles Nassauer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Charles Nassauer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Nassauer reassigns Medicare benefits to 2 organizations: Artis Beatty A Professional Optometry Corporation (Slidell, LA) and Can, Inc. (Bogalusa, LA). 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 Charles Nassauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Nassauer accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Anthem Blue Cross and Blue Shield and 7 other insurers list Charles Nassauer 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 Nassauer was last updated on July 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Charles A Nassauer, O.D. · NPI 1275677783
Optometrist provider in Slidell, Louisiana. Individual provider, active in the CMS NPPES registry since February 16, 2007.
## Identity
- **NPI:** 1275677783 (Entity type: Individual)
- **Enumerated:** February 16, 2007
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 919183T (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 170 NORTHSHORE BLVD STE C, Slidell, LA 70460-6849
- **Phone:** (985) 641-1228 · **Fax:** (985) 643-1359
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Artis Beatty A Professional Optometry Corporation (NPI 1780317917, Slidell, LA); Can, Inc. (NPI 1932349602, Bogalusa, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern College Of Optometry, class of 1982
## Record status
- **NPPES last updated:** July 12, 2022
- **Other identifiers:** Other LA99183 (LA); Other LA9183 (LA); Other MN4126858 (LA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1275677783) · Data from the CMS NPPES public registry.