Are you Marilyn K. Kosier, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1520 Sheridan Dr, Lancaster, OH 43130
About Dr. Kosier
Based in Lancaster, OH, Marilyn K. Kosier, M.D. is listed in the NPI registry under ophthalmology. Marilyn graduated from Ohio State University College of Medicine in 1980. Marilyn is also listed as specializing in specialist. According to Medicare claims data, Marilyn cared for 1,288 Medicare patients across 1,492 services. The services billed most often include established patient complete exam of visual system, established patient problem focused exam of visual system, and photography of the retina. NPI 1710169974 identifies this record in the national registry.
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
- (740) 654-0177
- Email not available
Practice Locations
1520 SHERIDAN DR
Lancaster, OH 43130
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
1,492 services · 1,288 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
49 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
24 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
302 | As often as other peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
292 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
171 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
114 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
89 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
81 | As often as other peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
81 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
76 | More often than most peers in Ophthalmology |
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.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Lancaster 3
Same specialty, same city.
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1980 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in OH who bill this service to Medicare most often.
Common questions
What is Marilyn K. Kosier's specialty?
Marilyn K. Kosier is an eye doctor in Lancaster, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Marilyn K. Kosier?
Marilyn K. Kosier is listed at 1520 Sheridan Dr, Lancaster, OH 43130. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marilyn K. Kosier?
The number on file is (740) 654-0177. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marilyn K. Kosier's NPI number?
Marilyn K. Kosier's National Provider Identifier is 1710169974. 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 Marilyn K. Kosier's education?
Marilyn K. Kosier attended Ohio State University College of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How long has Marilyn K. Kosier been practicing?
Marilyn K. Kosier has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What is Marilyn K. Kosier known for?
According to Medicare billing data, Marilyn K. Kosier performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient complete exam of visual system and established patient problem focused 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
Has Marilyn K. Kosier confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marilyn K. Kosier. If this is you, claiming it is free.
Guide.md
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