Are you Christopher P. Grenier, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 9001 Summa Ave, Baton Rouge, LA 70809
About Dr. Grenier
Based in Baton Rouge, LA, Christopher P. Grenier, M.D. is listed in the NPI registry under ophthalmology. Christopher graduated from Louisiana State University School of Medicine in New Orleans in 1987. Medicare claims data shows Christopher provided 1,285 services to 1,024 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, imaging of optic nerve, and established patient complete exam of visual system. NPI 1700818135 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
- (225) 761-5200
- Email not available
Practice Locations
9001 SUMMA AVE
Baton Rouge, LA 70809
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
1,285 services · 1,024 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
56 | Less often than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
20 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
12 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
289 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
256 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
151 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
46 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
35 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
28 | Less often 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 |
331 | 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.
Other eye doctors in Baton Rouge 8
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at Louisiana State University School of Medicine in New Orleans 6
Other providers in the same specialty who trained at the same institution.
Class of 1987 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 Christopher P. Grenier specialize in?
Christopher P. Grenier is an eye doctor in Baton Rouge, LA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Christopher P. Grenier located?
Christopher P. Grenier is listed at 9001 Summa Ave, Baton Rouge, LA 70809. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Christopher P. Grenier's phone number?
The number on file is (225) 761-5200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christopher P. Grenier?
Christopher P. Grenier's National Provider Identifier is 1700818135. 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 Christopher P. Grenier train?
Christopher P. Grenier attended Louisiana State University School of Medicine in New Orleans, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Christopher P. Grenier have?
Christopher P. Grenier has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Christopher P. Grenier do most often?
According to Medicare billing data, Christopher P. Grenier 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; provides treatments such as imaging of optic nerve and established patient complete 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
Is Christopher P. Grenier's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christopher P. Grenier. If this is you, claiming it is free.
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