Doctor profile · Federal record

Dr. Charles Nassauer, O.D.

Optometrist (CMS: Optometry) · Slidell, LA

  • NPI 1275677783
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
170 Northshore Blvd Ste C
Slidell, LA 704606849
(985) 641-1228
fax (985) 643-1359
Mailing address
8614 Westwood Center Dr Fl 9
Vienna, VA 221822442

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 12, 2022
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Louisiana #919183T
Medicaid
LA #1380873

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275677783. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,382
HCPCS Description Services Patients Avg allowed
92004 New patient complete exam of visual system 11 11 $126

In context: peer comparison

Among 4 peers in this city , average services per provider: 73. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$212
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 3 $145.29
Johnson & Johnson Vision Care, Inc. 2 $49.61
Bausch & Lomb Americas Inc. 1 $16.86

By nature of payment

Food and Beverage
$212

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
30
Total drug cost
$1,679
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 30 30 $1,396
Latanoprost Generic 28 0 $284

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Nassauer's medical specialty?
Dr. Charles Nassauer practices Optometrist in Slidell, LA.
Where does Dr. Charles Nassauer practice?
Dr. Charles Nassauer practices at 170 Northshore Blvd Ste C, Slidell, LA 704606849. Office phone: 9856411228.
What is Dr. Charles Nassauer's NPI?
Dr. Charles Nassauer's National Provider Identifier (NPI) is 1275677783, issued by NPPES.
Does Dr. Charles Nassauer accept Medicare assignment?
Yes. Dr. Charles Nassauer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Nassauer commonly perform?
Top Medicare-reported procedures in 2023: New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.