Doctor profile · Federal record

Dr. NATHALIE CASSIS

Optometrist (CMS: OPTOMETRY) · NORFOLK, VA

  • NPI 1013984186
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
335 W 21ST ST
NORFOLK, VA 235172112
(757) 622-3937
fax (757) 596-6947

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
May 3, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Virginia #0618000379
Medicaid
VA #010047480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013984186. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
496
Distinct HCPCS
9
Medicare allowed
$48,935
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 157 138 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 111 69 $89
92004 New patient complete exam of visual system 44 44 $147
92134 Imaging of retina 43 39 $39
92014 Established patient complete exam of visual system 41 41 $124
92083 Exam of visual field with extended testing 35 30 $62
92133 Imaging of optic nerve 28 23 $33
66984 Removal of cataract with insertion of prosthetic lens 25 14 $105
92250 Photography of the retina 12 12 $37

In context: peer comparison

Among 7 peers in this city , average services per provider: 132. This provider delivers 3.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperVision Inc. 2 $35.02

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
79
Patients
12
Total drug cost
$15,630
Drug Type Claims Patients Total cost
Latanoprost Generic 24 0 $391
Timolol Maleate Generic 17 0 $239
Fluorometholone Generic 14 12 $1,215
Lumigan (Bimatoprost) Brand 12 0 $8,809
Rocklatan (Netarsudil Mesylat/Latanoprost) Brand 12 0 $4,976