Doctor profile · Federal record

Dr. Greta Steinbach-Wallis, O.D.

Optometrist · Wilmington, DE

  • NPI 1346289162
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3501 Silverside RD, Naamans Building
Wilmington, DE 198104910
(302) 479-3937
fax (302) 477-2653

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 28, 2016
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Delaware #I3-0001135
Medicaid
DE #0000061422

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346289162. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
363
Distinct HCPCS
5
Medicare allowed
$35,200
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 164 156 $126
92012 Established patient problem focused exam of visual system 127 84 $90
92133 Imaging of optic nerve 29 25 $37
92134 Imaging of retina 27 25 $40
92083 Exam of visual field with extended testing 16 15 $63

In context: peer comparison

Among 16 peers in Wilmington Optometrist, average services per provider: 93. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
141
Patients
40
Total drug cost
$35,444
Drug Type Claims Patients Total cost
Latanoprost Generic 51 14 $1,080
Timolol Maleate Generic 29 11 $660
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 20 15 $278
Restasis (Cyclosporine) Brand 16 0 $23,296
Lumigan (Bimatoprost) Brand 13 0 $7,183
Travoprost Generic 12 0 $2,947

Frequently asked questions

Auto-generated from federal data
What is Dr. Greta Steinbach-Wallis's medical specialty?
Dr. Greta Steinbach-Wallis practices Optometrist in Wilmington, DE.
Where does Dr. Greta Steinbach-Wallis practice?
Dr. Greta Steinbach-Wallis practices at 3501 Silverside RD, Wilmington, DE 198104910. Office phone: 3024793937.
What is Dr. Greta Steinbach-Wallis's NPI?
Dr. Greta Steinbach-Wallis's National Provider Identifier (NPI) is 1346289162, issued by NPPES.
What procedures does Dr. Greta Steinbach-Wallis commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.