What is Siobhan O'connor's specialty?

Siobhan O'connor (NPI 1053545533) is a Medicare-billing provider whose primary specialty is Pathology in Chapel Hill, NC.

Where does Siobhan O'connor practice?

Siobhan O'connor practices in Chapel Hill, NC, based on the location reported in the CMS Medicare provider datasets for NPI 1053545533.

How much does Medicare pay Siobhan O'connor?

Siobhan O'connor (NPI 1053545533) received approximately $30K in total Medicare Part B payments, serving 252 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1053545533

Siobhan O'connorM.D.

PathologyChapel Hill, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

515

Unique beneficiaries

—

Total services

962

Distinct HCPCS

Medicare payment

$28K

Peer benchmark

Total Medicare services vs. 315 Pathology providers in NC — below median (cohort median 1,479).

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 · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 340061

Hospital

REFERRAL NETWORK

Where Siobhan O'connor'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). 9 inbound referrers · 31 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Sheryl Jordan Diagnostic Radiology · Fayetteville, NC	28	39
Cherie Kuzmiak Diagnostic Radiology · Chapel Hill, NC	15	19
Lisa Rose-Jones Advanced Heart Failure and Transplant Cardiology · Wilmington, NC	14	20
BIRCHARD, KATHERINE	13	19
PARKER, LEONARD	12	17
SEMELKA, RICHARD	11	11
KOZLOWSKI, TOMASZ	11	37
REX HOSPITAL INC.	11	27
Kristalyn Gallagher Surgical Oncology · Chapel Hill, NC	11	31

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF NORTH CAROLINA HOSPITALS AT CHAPEL HILL	307	786
Laboratory Corporation Of America Holdings Clinical Laboratory · Burlington, NC	36	71
Karin True Nephrology · Chapel Hill, NC	36	104
Edwin Fuller Nephrology · Chapel Hill, NC	33	85
PARKER, LEONARD	31	53
Sheila Lee Diagnostic Radiology · Durham, NC	23	32
Randal Detwiler Nephrology · Chapel Hill, NC	23	60
Susan Mckenney Nurse Practitioner · Chapel Hill, NC	22	41
WILCOX, CLAIRE	22	62
BIANCHI, GREGORY	20	47
Jordan Renner Interventional Radiology · Chapel Hill, NC	19	24
Charles Hicks Cardiology · Chapel Hill, NC	18	22

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