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Edit this profileAt a glance
- 26300 Euclid Ave, Suite 312, Euclid, OH 44132
About Dr. Louis
Gregory J. Louis, M.D. is a specialist practicing in Euclid, OH. Gregory trained at University of Cincinnati College of Medicine, graduating in 1983. According to Medicare claims data, Gregory cared for 2,441 Medicare patients across 2,655 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, photography of the retina, and exam of visual field with extended testing. This provider record is associated with NPI 1346237344.
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
- (216) 574-8900
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
26300 EUCLID AVE SUITE 312
Euclid, OH 44132
Procedures Most Often Billed to Medicare
2,655 services · 2,441 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
173 | More often than most peers in Specialist |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
62 | More often than most peers in Specialist |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
17 | Less often than most peers in Specialist |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
12 | Less often than most peers in Specialist |
| Photography of the retina | Treatment | 92250 |
383 | More often than most peers in Specialist |
| Exam of visual field with extended testing | Treatment | 92083 |
267 | More often than most peers in Specialist |
| Imaging of retina | Treatment | 92134 |
233 | As often as other peers in Specialist |
| Imaging of optic nerve | Treatment | 92133 |
180 | More often than most peers in Specialist |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
166 | As often as other peers in Specialist |
| Established patient complete exam of visual system | Treatment | 92014 |
117 | Less often than most peers in Specialist |
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 specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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 specialists in Euclid 7
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at University of Cincinnati College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at University of Cincinnati 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 5
Providers in OH who bill this service to Medicare most often.
Common questions
What does Gregory J. Louis specialize in?
Gregory J. Louis is a specialist in Euclid, OH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Gregory J. Louis located?
Gregory J. Louis is listed at 26300 Euclid Ave Suite 312, Euclid, OH 44132. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregory J. Louis's phone number?
The number on file is (216) 574-8900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory J. Louis's NPI number?
Gregory J. Louis's National Provider Identifier is 1346237344. 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 Gregory J. Louis train?
Gregory J. Louis attended University of Cincinnati College of Medicine, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory J. Louis been practicing?
Gregory J. Louis has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Gregory J. Louis do most often?
According to Medicare billing data, Gregory J. Louis performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and complex removal of cataract with insertion of prosthetic lens; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as photography of the retina and exam of visual field with extended testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregory J. Louis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory J. Louis. If this is you, claiming it is free.
Guide.md
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