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PROVIDER PROFILE · NPI 1033144852

Daniel O'brienM.D.

PRACTICEMEDICAL ANESTHESIOLOGY CONSULTANTSSee all providers at this practice →
AnesthesiologyFitchburg, MAI
CROSS-REFERENCE

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REFERRAL NETWORK

Where Daniel 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). 5 inbound referrers · 19 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NASHOBA VALLEY MEDICAL CENTER, A STEWARD FAMILY HOSPITAL, INC71132
Matthew Foley
Diagnostic Radiology · Ayer, MA
2240
Steven Brusie
Ophthalmology · Ayer, MA
2250
Adam Cerel
Cardiology · Ayer, MA
1743
Daryl Parker
Diagnostic Radiology · Mansfield, MA
1117
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NASHOBA VALLEY MEDICAL CENTER, A STEWARD FAMILY HOSPITAL, INC83177
Matthew Foley
Diagnostic Radiology · Ayer, MA
2966
Steven Brusie
Ophthalmology · Ayer, MA
27106
Magdy Salama
Pathology · Ayer, MA
2530
Mary Bakalos
Diagnostic Radiology · Ayer, MA
1936
Adam Cerel
Cardiology · Ayer, MA
1847
Paul Harasimowicz
Orthopedic Surgery · Ayer, MA
1647
Amjad Husain
Pulmonary Disease · Nashua, NH
1438
GREENWOOD, KENT1431
NASHOBA ASSOCIATED BOARDS OF HEALTH1416
Jose Gutierrez
Internal Medicine · Burlington, MA
1422
Cynthia Arrasin
Nurse Practitioner · Baldwinville, MA
1339
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
198
Unique beneficiaries
—
Total services
202
Distinct HCPCS
5
Medicare payment
$21K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,419 Anesthesiology providers in MA — below median (cohort median 245).
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
Total received
$22
Payment records
1
By payment type
Food and Beverage$22