Physician Profile
John D. Geanon, MD
Unclaimed ProfileAbout Dr. Geanon
Based in Madison, WI, John D. Geanon, MD is listed in the NPI registry under ophthalmology. John graduated from University of Chicago, Pritzker School of Medicine in 1989. Medicare claims data shows John provided 7,247 services to 3,561 patients. The services billed most often include removal of cataract with insertion of prosthetic lens, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and exam of visual field with extended testing. NPI 1891736971 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
- (608) 282-2000
- Email not available
Practice Locations
1025 REGENT ST
Madison, WI 53715
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
7,247 services · 3,561 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
2,877 | More than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
78 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
64 | More often than most peers in Ophthalmology |
| Creation of eye fluid drainage tracts in iris using a laser, per session | Procedure | 66761 |
14 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
41 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
976 | More than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
816 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
457 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
140 | As often as other peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
117 | 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.
Other eye doctors at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 32 related providers in 4 groups
Other eye doctors in Madison 8
Same specialty, same city.
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of Chicago, Pritzker 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 WI who bill this service to Medicare most often.
Common questions
What does Dr. Geanon specialize in?
Dr. Geanon is an eye doctor in Madison, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Geanon located?
Dr. Geanon is listed at 1025 Regent St, Madison, WI 53715. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Geanon's phone number?
The number on file is (608) 282-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Geanon?
Dr. Geanon's National Provider Identifier is 1891736971. 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 Dr. Geanon go to medical school?
Dr. Geanon attended University of Chicago, Pritzker School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Geanon have?
Dr. Geanon has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Geanon do most often?
According to Medicare billing data, Dr. Geanon performs procedures including removal of cataract with insertion of prosthetic lens, laser repair to improve eye fluid flow 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 exam of visual field with extended testing 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
Is Dr. Geanon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Geanon. If this is you, claiming it is free.
Guide.md
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