What is Mary O'keeffe's specialty?

Mary O'keeffe (NPI 1881945541) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Mineola, NY.

Where does Mary O'keeffe practice?

Mary O'keeffe practices in Mineola, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1881945541.

How much does Medicare pay Mary O'keeffe?

Mary O'keeffe (NPI 1881945541) received approximately $216K in total Medicare Part B payments, serving 468 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881945541

Mary O'keeffeM.D.

PRACTICEWINTHROP ONCOLOGY HEMATOLOGY ASSOCIATES, PCSee all providers at this practice →

Hematology-OncologyMineola, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

969

Unique beneficiaries

—

Total services

2,709

Distinct HCPCS

Medicare payment

$210K

Peer benchmark

Total Medicare services vs. 628 Hematology-Oncology providers in NY — above median (cohort median 883).

PRESCRIBING · PART D · 2024

Total Rx claims

913

Beneficiaries

—

Total drug cost

$6.9M

Distinct drugs

Brand share

53.2%

Top prescribed drugs

Enzalutamide182 claims

Prednisone116 claims

Abiraterone Acetate76 claims

Cabozantinib S-Malate72 claims

Darolutamide63 claims

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

91.8

Cost

75.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

Payment records

By payment type

Food and Beverage$4

Top paying entities

Food and Beverage$4

REFERRAL NETWORK

Where Mary O'keeffe'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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NYU LANGONE HOSPITALS	199	2,457
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	127	813
Sabrina Mahboob Diagnostic Radiology · New York, NY	51	127
Michael Brooks Diagnostic Radiology · Boston, MA	44	95
Galina Levin Diagnostic Radiology · New York, NY	41	125
NPI 1346284023	34	50
John Lanzone Cardiology · Mineola, NY	34	54
Irene Sher Diagnostic Radiology · Bronx, NY	30	75
Vijayapraveena Paruchuri Cardiology · Auburn, NY	30	48
Rakesh Shah Diagnostic Radiology · Mineola, NY	30	61
Corinne Liu Diagnostic Radiology · Mineola, NY	29	56
Brian Buonocore Diagnostic Radiology · Mineola, NY	28	51

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events