Physician Profile
Gregory D. Osmundson, M.D. practices ophthalmology in Sioux Falls, SD. Gregory is a 1994 graduate of Sanford School of Medicine of University of South Dakota. Gregory is also listed as specializing in ophthalmology — glaucoma. Medicare claims data shows Gregory provided 746 services to 605 patients. The services billed most often include removal of cataract with insertion of prosthetic lens, measurement of corneal curvature and depth of eye, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6601 S MINNESOTA AVE SUITE 200
Sioux Falls, SD 57108
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
746 services · 605 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
182 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
40 | As often as other peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
25 | More often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
17 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
141 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
60 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
46 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
20 | Less often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
17 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
15 | Less often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Gregory D. Osmundson is an eye doctor in Sioux Falls, SD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Gregory D. Osmundson is listed at 6601 S Minnesota Ave Suite 200, Sioux Falls, SD 57108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (605) 336-6294. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Gregory D. Osmundson's National Provider Identifier is 1255391801. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Gregory D. Osmundson attended Sanford School of Medicine of University of South Dakota, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Gregory D. Osmundson has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Gregory D. Osmundson performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as measurement of corneal curvature and depth of eye and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Gregory D. Osmundson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.