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 Sioux Falls Ophthalmology Physician, 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

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Osmundson's medical specialty?
Dr. Gregory Osmundson practices Ophthalmology Physician in Sioux Falls, SD.
Where does Dr. Gregory Osmundson practice?
Dr. Gregory Osmundson practices at 6601 S Minnesota Ave, Sioux Falls, SD 57108. Office phone: 6053366294.
What is Dr. Gregory Osmundson's NPI?
Dr. Gregory Osmundson's National Provider Identifier (NPI) is 1255391801, issued by NPPES.
Does Dr. Gregory Osmundson accept Medicare assignment?
Yes. Dr. Gregory Osmundson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Osmundson commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Measurement of corneal curvature and depth of eye (HCPCS 92136); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.