Physician Profile
Mark A. Ihnen, M.D.
Unclaimed ProfileAbout Dr. Ihnen
Based in Louisville, KY, Mark A. Ihnen, M.D. is listed in the NPI registry under ophthalmology. Mark graduated from University of Louisville School of Medicine in 2010. According to Medicare claims data, Mark cared for 3,120 Medicare patients across 3,735 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, 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.
Education & Training
Specialty
Credentials & Licensing
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.
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
- (502) 896-8700
- Email not available
Practice Locations
1169 EASTERN PKWY SUITE 1211
Louisville, KY 40217
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
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
3,735 services · 3,120 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
320 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
256 | More than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
346 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
147 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
138 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
121 | As often as other peers in Ophthalmology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,800 | More than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
324 | More often than most peers in Ophthalmology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
159 | More than most peers in Ophthalmology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
104 | 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.
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.
Other eye doctors in Louisville 8
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at University of Louisville School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 2010 at University of Louisville School 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 KY who bill this service to Medicare most often.
Common questions
What does Mark A. Ihnen specialize in?
Mark A. Ihnen is an eye doctor in Louisville, KY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Mark A. Ihnen located?
Mark A. Ihnen is listed at 1169 Eastern Pkwy Suite 1211, Louisville, KY 40217. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark A. Ihnen's phone number?
The number on file is (502) 896-8700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mark A. Ihnen's NPI number?
Mark A. Ihnen's National Provider Identifier is 1770809212. 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
Where did Mark A. Ihnen train?
Mark A. Ihnen attended University of Louisville School of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark A. Ihnen been practicing?
Mark A. Ihnen has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Mark A. Ihnen do most often?
According to Medicare billing data, Mark A. Ihnen 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 measurement of corneal curvature and depth of eye and imaging of optic nerve, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark A. Ihnen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark A. Ihnen. 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.