Physician Profile
Marilu O'Byrne, M.D.
Unclaimed ProfileAbout Dr. O'byrne
Based in Mandeville, LA, Marilu O'Byrne, M.D. is listed in the NPI registry under ophthalmology. Marilu graduated from Louisiana State University School of Medicine in New Orleans in 1981. Medicare claims data shows Marilu provided 3,007 services to 2,439 patients. The services billed most often include established patient complete exam of visual system, extended exam of the back part of the eye with optic nerve drawing, and measurement of corneal curvature and depth of eye. NPI 1083772453 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
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
- (985) 624-5573
- Email not available
Practice Locations
1580 W CAUSEWAY APPROACH SUITE 3
Mandeville, LA 70471
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
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
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
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
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
3,007 services · 2,439 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
175 | More often than most peers in Ophthalmology |
| Insertion of drug delivery implant into tear duct of eye | Procedure | 68841 |
47 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
42 | As often as other peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
25 | Less often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
25 | As often as other peers in Ophthalmology |
| Removal of chronic growth of eyelid | Procedure | 67800 |
14 | As often as other peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
17 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
992 | More often than most peers in Ophthalmology |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
355 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
308 | 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 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 — 23 related providers in 3 groups
Trained at Louisiana State University School of Medicine in New Orleans 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Louisiana State University School of Medicine in New Orleans 7
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 LA who bill this service to Medicare most often.
Common questions
What does Marilu O'Byrne specialize in?
Marilu O'Byrne is an eye doctor in Mandeville, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Marilu O'Byrne located?
Marilu O'Byrne is listed at 1580 W Causeway Approach Suite 3, Mandeville, LA 70471. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marilu O'Byrne's phone number?
The number on file is (985) 624-5573. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marilu O'Byrne?
Marilu O'Byrne's National Provider Identifier is 1083772453. 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 Marilu O'Byrne train?
Marilu O'Byrne attended Louisiana State University School of Medicine in New Orleans, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marilu O'Byrne have?
Marilu O'Byrne has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Marilu O'Byrne do most often?
According to Medicare billing data, Marilu O'Byrne performs procedures including removal of cataract with insertion of prosthetic lens, insertion of drug delivery implant into tear duct of eye 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 established patient complete exam of visual system and extended exam of the back part of the eye with optic nerve drawing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marilu O'Byrne's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marilu O'Byrne. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.