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PROVIDER PROFILE · NPI 1841217759

Allan GrunbergM.D.

AnesthesiologyWashington Depot, CTI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
417
Unique beneficiaries
—
Total services
426
Distinct HCPCS
4
Medicare payment
$23K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 590 Anesthesiology providers in CT — top quintile (cohort median 201).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$786
Payment records
34
By payment type
Food and Beverage$744
Education$43
REFERRAL NETWORK

Where Allan Grunberg'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). 18 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Daniel Southern
Physical Medicine and Rehabilitation · Norwalk, CT
4388
John O'brien
Certified Registered Nurse Anesthetist (CRNA) · Danbury, CT
4143
Quest Diagnostics Llc
Clinical Laboratory · Wallingford, CT
3441
Robert Deveney
Orthopedic Surgery · Danbury, CT
2874
John Dunleavy
Orthopedic Surgery · Danbury, CT
2365
Michael Brand
Orthopedic Surgery · Danbury, CT
2152
HARTFORD HEALTHCARE LABORATORIES1618
Jeffrey Schmierer
Cardiology · Danbury, CT
1619
Kirt Frederickson
Diagnostic Radiology · Danbury, CT
1617
Maureen Devlin
Certified Registered Nurse Anesthetist (CRNA) · Danbury, CT
1616
Kirsten Butkovsky
Certified Registered Nurse Anesthetist (CRNA) · New London, NH
1616
Christopher German
Physician Assistant · Danbury, CT
1423
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.