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PROVIDER PROFILE · NPI 1730161142

John DanzigerM.D.

PRACTICEBETH ISRAEL DEACONESS MEDICAL CENTERSee all providers at this practice →
NephrologyBoston, MAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
667
Beneficiaries
—
Total drug cost
$140K
Distinct drugs
17
Brand share
27.1%
Top prescribed drugs
Calcitriol124 claims
Dapagliflozin Propanediol83 claims
Lisinopril64 claims
Amlodipine Besylate61 claims
Torsemide54 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
995
Unique beneficiaries
—
Total services
2,062
Distinct HCPCS
30
Medicare payment
$143K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 270 Nephrology providers in MA — top quintile (cohort median 904).
REFERRAL NETWORK

Where John Danziger'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). 46 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.60264
Alexander Bankier
Diagnostic Radiology · Worcester, MA
42192
DVA HEALTHCARE OF MASSACHUSETTS INC40835
Ronald Eisenberg
Diagnostic Radiology · Boston, MA
39194
Martha Pavlakis
Internal Medicine · Boston, MA
35306
Stewart Lecker
Nephrology · Boston, MA
33173
CARDARELLI, FRANCESCA32305
James Ducksoon Chang
Cardiology · Boston, MA
32140
Paul Spirn
Diagnostic Radiology · Boston, MA
31118
FALLON SERVICE, INC.281,365
Elisa Flower
Diagnostic Radiology · Boston, MA
2680
Sejal Shah
Diagnostic Radiology · Dallas, TX
2578
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.