What is Marie O'brien's specialty?

Marie O'brien (NPI 1083836464) is a Medicare-billing provider whose primary specialty is Rheumatology in Allentown, PA.

Where does Marie O'brien practice?

Marie O'brien practices in Allentown, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1083836464.

How much does Medicare pay Marie O'brien?

Marie O'brien (NPI 1083836464) received approximately $189K in total Medicare Part B payments, serving 491 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1083836464

Marie O'brienD.O.

RheumatologyAllentown, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

919

Unique beneficiaries

—

Total services

13,834

Distinct HCPCS

Medicare payment

$138K

Peer benchmark

Total Medicare services vs. 267 Rheumatology providers in PA — above median (cohort median 4,116).

PRESCRIBING · PART D · 2024

Total Rx claims

2,334

Beneficiaries

—

Total drug cost

$1.9M

Distinct drugs

Brand share

24.8%

Top prescribed drugs

Hydroxychloroquine Sulfate472 claims

Methotrexate Sodium259 claims

Gabapentin239 claims

Prednisone224 claims

Allopurinol121 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$370

Payment records

By payment type

Food and Beverage$370

Top paying entities

Food and Beverage$370

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (6)

Hospital

Hospital

Hospital

Hospital

Hospital

Inpatient rehabilitation facility

REFERRAL NETWORK

Where Marie 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). 7 inbound referrers · 13 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LEHIGH VALLEY HOSPITAL	106	270
ST LUKES HOSPITAL	24	43
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	18	43
Kenneth Kurtz Diagnostic Radiology · Allentown, PA	13	20
Gregory Altemose Clinical Cardiac Electrophysiology · Miramar Beach, FL	13	22
GOOD SHEPHERD REHABILITATION HOSPITAL	12	23
Robert Rienzo Diagnostic Radiology · Allentown, PA	12	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Health Network Laboratories, Llc Clinical Laboratory · Allentown, PA	124	528
LEHIGH VALLEY HOSPITAL	121	369
LEHIGH VALLEY HOSPITAL MUHLENBERG	37	83
ST LUKES HOSPITAL	24	44
John Cox Diagnostic Radiology · Allentown, PA	21	26
KRICUN, ROBERT	17	26
Stanley Benzel Diagnostic Radiology · Allentown, PA	15	24
Robert Rienzo Diagnostic Radiology · Allentown, PA	15	24
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	14	32
GOOD SHEPHERD REHABILITATION HOSPITAL	14	41
Babak Bozorgnia Cardiology · Allentown, PA	11	25
Matthew Brown Diagnostic Radiology · Allentown, PA	11	17

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