CHRISTOPHER PAUL GRENIER M.D.
NPI 1700818135
Ophthalmology in Baton Rouge, LA

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
9001 SUMMA AVE, BATON ROUGE, LA 70809(225) 761-5200(225) 761-5714 Get Directions Write a Review

NPPES record last updated: March 30, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Christopher Paul Grenier M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER PAUL GRENIER M.D. (NPI 1700818135) is an individual ophthalmology provider in Baton Rouge, Louisiana, licensed in Louisiana (L019546) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center - Baton Rouge, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1987).

NPPES Registry Identity

NPI1700818135
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameCHRISTOPHER PAUL GRENIERCredential: M.D.
Location Address9001 SUMMA AVEBaton Rouge, LA 70809-3726
Mailing Address9001 Summa AveBaton Rouge, LA 70809-3726 · (225) 761-5200
Fax(225) 761-5714
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 1987
Enumeration DateJuly 7, 2006
Last NPPES UpdateMarch 30, 2010
NPI 1700818135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in LA · L019546
Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

9001 SUMMA AVE, Baton Rouge, LA 70809

Other Identifiers 4

Medicaid1918814LA
Medicare UPINE20778
Medicare PIN5N6596629LA
Medicare ID-Type Unspecified5N659

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Christopher Paul Grenier M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547398752
PECOS Enrollment IDI20100525000929
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
441 services214 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
370 services358 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
367 services282 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
207 services198 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
56 services38 patients
Established patient office or other outpatient visit, 20-29 minutes 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
54 services49 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ochsner Medical Center - Baton Rouge

Acute Care Hospitals · Baton Rouge, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190202
Location17000 Medical Center DrBaton Rouge, LA 70816 · E. Baton Rouge County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70809 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.60 typical visit price
range $53.43 – $164.73
Typical copayment $31.15 (range $13.35 – $41.18)
Most-billed visit code 99204
Established Patient
$67.06 typical visit price
range $16.64 – $133.62
Typical copayment $16.76 (range $4.16 – $33.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
9001 SUMMA AVE
BATON ROUGE, LA 70809
Family Medicine
9001 SUMMA AVE
BATON ROUGE, LA 70809
Internal Medicine
9001 SUMMA AVE
BATON ROUGE, LA 70809
Optometrist
9001 SUMMA AVE
BATON ROUGE, LA 70809
Radiology (Diagnostic Radiology)
9001 SUMMA AVE
BATON ROUGE, LA 70809
Internal Medicine (Hematology & Oncology)
9001 SUMMA AVE
BATON ROUGE, LA 70809
Optometrist
9001 SUMMA AVE
BATON ROUGE, LA 70809
Radiology (Diagnostic Radiology)
9001 SUMMA AVE
BATON ROUGE, LA 70809

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Grenier's NPI number?

The NPI number for Christopher Grenier is 1700818135. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Christopher Grenier located?

Christopher Grenier practices at 9001 Summa Ave, Baton Rouge, LA 70809. The listed phone number is (225) 761-5200.

What is Christopher Grenier's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Christopher Grenier enrolled in Medicare?

Yes. Christopher Grenier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Christopher Grenier accept?

Health plans from Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Louisiana list Christopher Grenier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Christopher Grenier affiliated with any hospitals?

According to CMS data, Christopher Grenier is affiliated with Ochsner Medical Center - Baton Rouge.

When was this NPI record last updated?

The NPPES record for Christopher Grenier was last updated on March 30, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.