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PROVIDER PROFILE · NPI 1083772453

Marilu O'byrneM.D.

PRACTICERALPH R NIX III LLCSee all providers at this practice →
OphthalmologyMandeville, LAI
CROSS-REFERENCE

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PRESCRIBING · PART D · 2024
Total Rx claims
4,028
Beneficiaries
—
Total drug cost
$1.9M
Distinct drugs
23
Brand share
42.6%
Top prescribed drugs
Latanoprost1,204 claims
Cyclosporine610 claims
Dorzolamide Hcl/Timolol Maleat547 claims
Prednisolone Acetate350 claims
Ketorolac Tromethamine144 claims
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 190256
Hospital
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
81.3
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
46
By payment type
Food and Beverage$1K
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,439
Unique beneficiaries
—
Total services
3,007
Distinct HCPCS
18
Medicare payment
$216K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 255 Ophthalmology providers in LA — above median (cohort median 1,801).
REFERRAL NETWORK

Where Marilu O'byrne'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). 10 inbound referrers · 23 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
65138
Pontchartrain Surgery Center, Llc
Ambulatory Surgical Center · Covington, LA
4460
OUR LADY OF THE ANGELS HOSPITAL, INC.33111
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
3158
DOCTORS' HOSPITAL OF SLIDELL, LLC31126
Marc Hautot
Optometry · Bogalusa, LA
2654
LAKEVIEW MEDICAL CENTER, LLC1748
Tara Ingraham
Certified Registered Nurse Anesthetist (CRNA) · Covington, LA
1622
Wendy Sullivan
Certified Registered Nurse Anesthetist (CRNA) · Slidell, LA
1215
Michael Casey
Family Practice · Slidell, LA
1127
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
OCHSNER CLINIC FOUNDATION96229
Pontchartrain Surgery Center, Llc
Ambulatory Surgical Center · Covington, LA
76301
Antonio Martin
Anesthesiology · Fort Worth, TX
71232
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
64118
ST. TAMMANY PARISH HOSPITAL SERVICE DISTRICT NO 148107
SLIDELL MEMORIAL HOSPITAL3676
Tara Ingraham
Certified Registered Nurse Anesthetist (CRNA) · Covington, LA
3596
OUR LADY OF THE ANGELS HOSPITAL, INC.29110
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
2849
Wendy Sullivan
Certified Registered Nurse Anesthetist (CRNA) · Slidell, LA
2570
LOUISIANA MEDICAL CENTER AND HEART HOSPITAL, LLC2334
DOCTORS' HOSPITAL OF SLIDELL, LLC2252
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.