Doctor profile · Federal record

Dr. GREGORY OSMUNDSON, M.D.

Ophthalmology Physician (CMS: OPHTHALMOLOGY) · Glaucoma Specialist (Ophthalmology) Physician · SIOUX FALLS, SD

  • NPI 1255391801
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6601 S MINNESOTA AVE, SUITE 200
SIOUX FALLS, SD 57108
(605) 336-6294
fax (605) 336-0266

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 3, 2023
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
South Dakota #4573
Medicaid (3)
MN #137323400 · IA #0524207 · SD #6301490

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255391801. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
616
Distinct HCPCS
10
Medicare allowed
$114,475
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 143 89 $454
92136 Measurement of corneal curvature and depth of eye 120 113 $46
99214 Established patient office or other outpatient visit, 30-39 minutes 74 72 $124
99204 New patient office or other outpatient visit, 45-59 minutes 58 58 $158
92134 Imaging of retina 55 53 $37
92014 Established patient complete exam of visual system 44 43 $124
66821 Removal of recurring cataract in lens capsule using a laser 26 26 $387
92020 Exam of the internal drainage system of eye 20 18 $27
92083 Exam of visual field with extended testing 20 17 $62
76514 Ultrasound scan of cornea to determine thickness 17 15 $10

In context: peer comparison

Among 9 peers in this city , average services per provider: 309. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,035
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 4 $806.43
Harrow Eye, LLC 1 $107.81
NEW WORLD MEDICAL,INC. 2 $42.03
RxSight Inc 1 $35.00
ABBVIE INC. 1 $30.74
Amgen Inc. 1 $13.44

By nature of payment

Travel and Lodging
$666
Food and Beverage
$369

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
793
Patients
539
Total drug cost
$23,001
Drug Type Claims Patients Total cost
Ketorolac Tromethamine Generic 226 155 $5,455
Prednisolone Acetate Generic 225 158 $12,365
Ofloxacin Generic 218 161 $2,824
Latanoprost Generic 78 42 $1,274
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 31 23 $576
Timolol Maleate Generic 15 0 $506

Hospital affiliations

CMS Hospital Compare