What is John Danziger's specialty?

John Danziger (NPI 1730161142) is a Medicare-billing provider whose primary specialty is Nephrology in Boston, MA.

Where does John Danziger practice?

John Danziger practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1730161142.

How much does Medicare pay John Danziger?

John Danziger (NPI 1730161142) received approximately $150K in total Medicare Part B payments, serving 419 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1730161142

John DanzigerM.D.

PRACTICEBETH ISRAEL DEACONESS MEDICAL CENTERSee all providers at this practice →

NephrologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

995

Unique beneficiaries

—

Total services

2,062

Distinct HCPCS

Medicare payment

$143K

Peer benchmark

Total Medicare services vs. 270 Nephrology providers in MA — top quintile (cohort median 904).

PRESCRIBING · PART D · 2024

Total Rx claims

667

Beneficiaries

—

Total drug cost

$140K

Distinct drugs

Brand share

27.1%

Top prescribed drugs

Calcitriol124 claims

Dapagliflozin Propanediol83 claims

Lisinopril64 claims

Amlodipine Besylate61 claims

Torsemide54 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

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

Physician	Patients	Visits
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.	60	264
Alexander Bankier Diagnostic Radiology · Worcester, MA	42	192
DVA HEALTHCARE OF MASSACHUSETTS INC	40	835
Ronald Eisenberg Diagnostic Radiology · Boston, MA	39	194
Martha Pavlakis Internal Medicine · Boston, MA	35	306
Stewart Lecker Nephrology · Boston, MA	33	173
CARDARELLI, FRANCESCA	32	305
James Ducksoon Chang Cardiology · Boston, MA	32	140
Paul Spirn Diagnostic Radiology · Boston, MA	31	118
FALLON SERVICE, INC.	28	1,365
Elisa Flower Diagnostic Radiology · Boston, MA	26	80
Sejal Shah Diagnostic Radiology · Dallas, TX	25	78

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events