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PROVIDER PROFILE · NPI 1144425000

Mary Ellen O'brienM.D.

PRACTICERHODE ISLAND HOSPITALSee all providers at this practice →
HospitalistProvidence, RII
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 220100
Hospital
CCN 220162
Hospital
QUALITY · MIPS · 2024
Final MIPS score
86.7
Quality
88.1
Cost
77.7
Improvement activities
40.0
Promoting interop.
71.0
Payment adjustment
0.49%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
493
Unique beneficiaries
—
Total services
508
Distinct HCPCS
5
Medicare payment
$68K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 42 Hospitalist providers in RI — above median (cohort median 492).
REFERRAL NETWORK

Where Mary Ellen 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). 68 inbound referrers · 150 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SOUTH SHORE HOSPITAL INC.509979
Harbor Medical Associates, Inc.
Clinical Laboratory · South Weymouth, MA
88327
Robert Gore
Diagnostic Radiology · South Weymouth, MA
88149
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
67110
James Suojanen
Diagnostic Radiology · South Weymouth, MA
6596
Rafael Altieri
Diagnostic Radiology · South Weymouth, MA
61100
FALLON EMERGENCY MEDICAL SERVICES, INC.5672
Stephen Bliss
Diagnostic Radiology · Los Angeles, CA
5282
BEZREH, JAMES5069
Ori Preis
Diagnostic Radiology · Boston, MA
4974
Kenneth Mclaughlin
Emergency Medicine · Weymouth, MA
4865
KELLEY, RUSSELL4879
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SOUTH SHORE HOSPITAL INC.286580
Stephen Bliss
Diagnostic Radiology · Los Angeles, CA
116179
Robert Gore
Diagnostic Radiology · South Weymouth, MA
115191
SOUTH SHORE HOSPITAL INC.9395
Brewster Ambulance Service Inc.
Ambulance Service Provider · Weymouth, MA
85139
Slobodan Miseljic
Diagnostic Radiology · South Weymouth, MA
83124
Harbor Medical Associates, Inc.
Clinical Laboratory · South Weymouth, MA
82303
Jennifer Lynch
Diagnostic Radiology · South Weymouth, MA
82115
Rafael Altieri
Diagnostic Radiology · South Weymouth, MA
81118
Justin Campbell
Diagnostic Radiology · Boston, MA
78115
John Mahoney
Diagnostic Radiology · South Weymouth, MA
78116
Ahmed Elaini
Diagnostic Radiology · Boston, MA
77110
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.