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Edit this profileAt a glance
- 300 S Bruce St, Marshall, MN 56258
About Dr. Oberster
Aaron C. Oberster, OD is an optometrist practicing in Marshall, MN. Medicare claims data shows Aaron provided 188 services to 180 patients. The services billed most often include imaging of retina, established patient complete exam of visual system, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1760167779.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (507) 532-9661
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
300 S BRUCE ST
Marshall, MN 56258
Conditions Commonly Evaluated or Treated
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
188 services · 180 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of retina | Treatment | 92134 |
40 | As often as other peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
33 | Less often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
30 | As often as other peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
19 | Less often than most peers in Optometrist |
| Established patient problem focused exam of visual system | Treatment | 92012 |
19 | Less often than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
15 | Less often than most peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 | Less often than most peers in Optometrist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other optometrists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other optometrists in Marshall 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Imaging of retina 8
Providers in MN who bill this service to Medicare most often.
Common questions
What is Dr. Oberster's specialty?
Dr. Oberster is an optometrist in Marshall, MN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Oberster?
Dr. Oberster is listed at 300 S Bruce St, Marshall, MN 56258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Oberster?
The number on file is (507) 532-9661. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Oberster?
Dr. Oberster's National Provider Identifier is 1760167779. 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
What is Dr. Oberster's medical education?
Dr. Oberster attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Oberster have?
Dr. Oberster has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Oberster known for?
According to Medicare billing data, Dr. Oberster provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Oberster's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oberster. If this is you, claiming it is free.
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