PROVIDER PROFILE · NPI 1811964448

Marianne CowleyMD

PRACTICEJOHNS HOPKINS HOSPITALSee all providers at this practice →

OphthalmologyBaltimore, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

827

Unique beneficiaries

—

Total services

1,421

Distinct HCPCS

Medicare payment

$203K

Peer benchmark

Total Medicare services vs. 447 Ophthalmology providers in MD — below median (cohort median 2,862).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Prednisolone Acetate42 claims

Brimonidine Tartrate19 claims

Ketorolac Tromethamine13 claims

QUALITY · MIPS · 2024

Final MIPS score

83.3

Quality

73.9

Cost

70.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Marianne Cowley'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
JEWISH HOSPITAL & ST. MARY'S HEALTHCARE, INC.	53	114
BAPTIST HEALTHCARE SYSTEM INC.	35	77
Bryan Blair Ophthalmology · Crestwood, KY	34	56
Patricia Hansen Internal Medicine · Louisville, KY	15	28
John Distler Ophthalmology · Crestwood, KY	15	20
BAPTIST HEALTHCARE SYSTEM, INC.	13	29
Albert Smolyar Ophthalmology · Fort Myers, FL	12	24

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