Physician Profile
Unclaimed ProfileAbout GRENIER
Based in Baton Rouge, LA, Christopher Paul 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.
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
Areas of Expertise
Common questions
What does Dr. Grenier specialise in?
Dr. Grenier is an ophthalmology in Baton Rouge, LA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. Grenier located?
Dr. 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 Dr. Grenier's phone number?
The number on file is (225) 761-5200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Grenier?
Dr. 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 Dr. Grenier go to medical school?
Dr. 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 Dr. Grenier have?
Dr. Grenier has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Grenier do most often?
According to Medicare billing data, Dr. 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 Dr. Grenier's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grenier. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (225) 761-5200
- Email not available
Practice Locations
9001 SUMMA AVE
Baton Rouge, LA 70809
Procedures Most Often Billed to Medicare
1,285 services · 1,024 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
56 |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
20 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
12 |
| Imaging of optic nerve | Treatment | 92133 |
289 |
| Established patient complete exam of visual system | Treatment | 92014 |
256 |
| Exam of visual field with extended testing | Treatment | 92083 |
151 |
| Imaging of retina | Treatment | 92134 |
46 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
35 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
28 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
331 |
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 ophthalmology specialists 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.