What is Christopher Grenier's specialty?

Christopher Grenier (NPI 1700818135) is a Medicare-billing provider whose primary specialty is Ophthalmology in Baton Rouge, LA.

Where does Christopher Grenier practice?

Christopher Grenier practices in Baton Rouge, LA, based on the location reported in the CMS Medicare provider datasets for NPI 1700818135.

How much does Medicare pay Christopher Grenier?

Christopher Grenier (NPI 1700818135) received approximately $79K in total Medicare Part B payments, serving 420 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1700818135

Christopher GrenierM.D.

PRACTICESPINE CENTER, LLCSee all providers at this practice →

OphthalmologyBaton Rouge, LAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,024

Unique beneficiaries

—

Total services

1,285

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 255 Ophthalmology providers in LA — below median (cohort median 1,801).

PRESCRIBING · PART D · 2024

Total Rx claims

4,031

Beneficiaries

—

Total drug cost

$415K

Distinct drugs

Brand share

29.3%

Top prescribed drugs

Latanoprost1,054 claims

Timolol Maleate532 claims

Prednisolone Acetate395 claims

Dorzolamide Hcl/Timolol Maleat373 claims

Ketorolac Tromethamine277 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Christopher Grenier's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EAST BATON ROUGE MEDICAL CENTER LLC	584	4,061
Regional Eye Surgery Center,llc Ambulatory Surgical Center · Baton Rouge, LA	67	299
OUR LADY OF THE LAKE HOSPITAL INC.	35	122
Sherilyn Mckey Certified Registered Nurse Anesthetist (CRNA) · Baton Rouge, LA	31	160
David Alleva Diagnostic Radiology · Baton Rouge, LA	27	65
Melissa Lusco Certified Registered Nurse Anesthetist (CRNA) · Baton Rouge, LA	24	100
Nancy Chandler Diagnostic Radiology · Farmington, NM	23	43
SCHERER, CARL	21	52
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	19	41
John Creed Ophthalmology · Baton Rouge, LA	16	120
Alexander Mulamula Pulmonary Disease · Baton Rouge, LA	15	101
Brian Jones Interventional Cardiology · Baton Rouge, LA	14	61

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history