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PROVIDER PROFILE · NPI 1346237583

Barry IzensteinM.D.

EndocrinologySpringfield, MAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
61.9
Quality
74.2
Cost
82.3
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
-1.57%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$681
Payment records
32
By payment type
Food and Beverage$681
PRESCRIBING · PART D · 2024
Total Rx claims
5,809
Beneficiaries
—
Total drug cost
$1.1M
Distinct drugs
85
Brand share
29.5%
Top prescribed drugs
Levothyroxine Sodium376 claims
Amlodipine Besylate353 claims
Dulaglutide294 claims
Losartan Potassium284 claims
Hydrochlorothiazide275 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
790
Unique beneficiaries
—
Total services
1,067
Distinct HCPCS
5
Medicare payment
$41K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 341 Endocrinology providers in MA — above median (cohort median 496).
REFERRAL NETWORK

Where Barry Izenstein'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). 17 inbound referrers · 34 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BAYSTATE MEDICAL CENTER INC137478
THE MERCY HOSPITAL INC61158
BRODER, MARTIN2682
MEDCARE EMERGENCY HEALTH, INC.1741
VISITING NURSE ASSOCIATION AND HOSPICE OF WESTERN NEW ENGLAND, INC.1753
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
1737
William Hiser
Cardiology · Springfield, MA
1526
Jay Markham
Cardiology · Springfield, MA
1461
Kal Dulaimy
Diagnostic Radiology · Springfield, MA
1327
Michael Swirsky
Diagnostic Radiology · Springfield, MA
1223
Christopher Moore
Diagnostic Radiology · Springfield, MA
1229
Steven Berger
Ophthalmology · Springfield, MA
1226
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
BAYSTATE MEDICAL CENTER INC3432,095
BAYSTATE MEDICAL CENTER INC168619
THE MERCY HOSPITAL INC65170
System Coordinated Services, Inc
Clinical Laboratory · Springfield, MA
50167
American Medical Response Of Massachusetts Inc
Ambulance Service Provider · Springfield, MA
2974
SUNDANCE REHABILITATION AGENCY, LLC25122
BAYSTATE NOBLE HOSPITAL CORPORATION23107
HOLYOKE MEDICAL CENTER, INC.2180
Mark Jackowitz
Specialist · Springfield, MA
2143
BRODER, MARTIN2069
John Marenco
Clinical Cardiac Electrophysiology · Springfield, MA
2056
Marc Vanderleeden
Endocrinology · Springfield, MA
19104
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.