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PROVIDER PROFILE · NPI 1558351494

Guillermo WaltersM.D.

PRACTICEHEALTHALLIANCE HOSPITALSee all providers at this practice →
Diagnostic RadiologyLeominster, MAI
CROSS-REFERENCE

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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
100.0
Quality
83.0
Cost
0.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
1.05%
APM Entity
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,413
Unique beneficiaries
—
Total services
1,449
Distinct HCPCS
29
Medicare payment
$54K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,146 Diagnostic Radiology providers in MA — below median (cohort median 2,596).
REFERRAL NETWORK

Where Guillermo Walters'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). 115 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
UMASS MEMORIAL HEALTHALLIANCE CLINTON HOSPITAL INC1,7824,458
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
297599
Rodrick Williams
Diagnostic Radiology · Easthampton, MA
292677
Patricia Cross
Diagnostic Radiology · Leominster, MA
279761
Dionyssios Robotis
Cardiology · Leominster, MA
267598
Peter Wilson
Cardiology · Leominster, MA
223459
Umass Memorial Health Alliance Mri Center Llc
Independent Diagnostic Testing Facility (IDTF) · Leominster, MA
189290
Fitchburg Emergency Medical Services Inc
Ambulance Service Provider · Leominster, MA
179377
Michael Shear
Emergency Medicine · Gardner, MA
170311
City Of Leominster
Ambulance Service Provider · Leominster, MA
159311
Robert Hansen
Emergency Medicine · Millbury, MA
157322
Payam Aghassi
Pulmonary Disease · Leominster, MA
133508
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.