Doctor profile · Federal record

Dr. Charles Knudson, O.D.

Optometrist (CMS: Optometry) · Charlotte, NC

  • NPI 1386693257
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15640 John J Delaney Dr, Ste C
Charlotte, NC 282773176
(704) 943-5110
fax (704) 943-4449

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
North Carolina #2050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386693257. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
117
Distinct HCPCS
4
Medicare allowed
$11,187
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 63 63 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 30 28 $86
92083 Exam of visual field with extended testing 12 12 $59
92133 Imaging of optic nerve 12 12 $32

In context: peer comparison

Among 34 peers in this city , average services per provider: 73. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,621
Transactions
15
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 6 $1,848.00
Johnson & Johnson Vision Care, Inc. 8 $670.62
Bausch & Lomb Americas Inc. 1 $102.39

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$1,500
Food and Beverage
$1,121

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
0
Total drug cost
$7,608
Drug Type Claims Patients Total cost
Lumigan (Bimatoprost) Brand 18 0 $7,178
Latanoprost Generic 14 0 $431

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Knudson's medical specialty?
Dr. Charles Knudson practices Optometrist in Charlotte, NC.
Where does Dr. Charles Knudson practice?
Dr. Charles Knudson practices at 15640 John J Delaney Dr, Charlotte, NC 282773176. Office phone: 7049435110.
What is Dr. Charles Knudson's NPI?
Dr. Charles Knudson's National Provider Identifier (NPI) is 1386693257, issued by NPPES.
Does Dr. Charles Knudson accept Medicare assignment?
Yes. Dr. Charles Knudson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Knudson commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.