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PROVIDER PROFILE · NPI 1013116839

David ChafiianMD

Internal MedicineBrooklyn, NYI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 330043
Hospital
CCN 330160
Hospital
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
100
Unique beneficiaries
—
Total services
102
Distinct HCPCS
2
Medicare payment
$18K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 7,864 Internal Medicine providers in NY — bottom quintile (cohort median 552).
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 David Chafiian'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). 47 inbound referrers · 65 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BETH ISRAEL MEDICAL CENTER145191
Xiaojun Yan
Pulmonary Disease · Brooklyn, NY
57121
Howard Newhouse
Cardiology · Brooklyn, NY
44108
Murray Jonas
Internal Medicine · Brooklyn, NY
4086
New York City Health And Hospitals Corporation
Ambulance Service Provider · Brooklyn, NY
3952
Maurice Alwaya
Internal Medicine · Brooklyn, NY
3792
LIPTON, MITCHELL36119
MIDWOOD AMBULANCE & OXYGEN SERVICE INC3469
NPI 14473498243255
FLAMER, HAROLD3053
Bruce Saffran
Internal Medicine · Columbus, NJ
3041
Richard Libes
Diagnostic Radiology · New York, NY
2934
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NPI 176041347084244
MIDWOOD AMBULANCE & OXYGEN SERVICE INC5675
Xiaojun Yan
Pulmonary Disease · Brooklyn, NY
4888
BETH ISRAEL MEDICAL CENTER4575
Jacob Nir
Physical Medicine and Rehabilitation · Brooklyn, NY
4049
Murray Jonas
Internal Medicine · Brooklyn, NY
3966
Howard Newhouse
Cardiology · Brooklyn, NY
36106
Stacey Weisman
Diagnostic Radiology · New York, NY
3452
Mon Vera
Internal Medicine · New York, NY
3290
Maurice Alwaya
Internal Medicine · Brooklyn, NY
3173
LIPTON, MITCHELL3180
Yelena Khaysman
Psychiatry · Randolph, NJ
3071
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.