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PROVIDER PROFILE · NPI 1508847419

Piotr GrabiasM.D.

Internal MedicineWebster, MAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$68
Payment records
3
By payment type
Food and Beverage$68
PRESCRIBING · PART D · 2024
Total Rx claims
6,447
Beneficiaries
—
Total drug cost
$418K
Distinct drugs
114
Brand share
14.7%
Top prescribed drugs
Lisinopril428 claims
Atorvastatin Calcium405 claims
Levothyroxine Sodium245 claims
Amlodipine Besylate212 claims
Metoprolol Succinate190 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
573
Unique beneficiaries
—
Total services
696
Distinct HCPCS
9
Medicare payment
$63K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,978 Internal Medicine providers in MA — above median (cohort median 564).
REFERRAL NETWORK

Where Piotr Grabias'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MARLBOROUGH HOSPITAL CORP121201
Patriot Ambulance, Inc.
Ambulance Service Provider · Chelmsford, MA
6381
Beata Stancel-Grabias
Internal Medicine · Webster, MA
44280
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
35105
SINGH, NIHARIKA3140
Tara Brigham
Emergency Medicine · Worcester, MA
3036
Miguel Lizardo
Internal Medicine · Temple Terrace, FL
2938
Ronald Garrell
Diagnostic Radiology · Lawrence, MA
2846
Community Ems, Inc.
Ambulance Service Provider · Marlborough, MA
2031
Aneetha Thirumalai
Internal Medicine · Worcester, MA
1621
Jonathan Arnow
Diagnostic Radiology · Marlborough, MA
1524
Allison Larusso
Emergency Medicine · Worcester, MA
1521
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.