PROVIDER PROFILE · NPI 1023048964

Margaret O'brienMD

PRACTICEMAIN LINE HOSPITALS, INC.See all providers at this practice →

AnesthesiologyBryn Mawr, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

149

Unique beneficiaries

—

Total services

150

Distinct HCPCS

Medicare payment

$16K

Peer benchmark

Total Medicare services vs. 1,877 Anesthesiology providers in PA — above median (cohort median 246).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 390139

Hospital

REFERRAL NETWORK

Where Margaret O'brien'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). 3 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
James Carty Ophthalmology · Bryn Mawr, PA	26	64
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	11	12
MAIN LINE HOSPITALS, INC.	11	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MAIN LINE HOSPITALS, INC.	78	125
James Carty Ophthalmology · Bryn Mawr, PA	26	103
Edina Grujic Pathology · Wynnewood, PA	11	11

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