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PROVIDER PROFILE · NPI 1629094560

Sarah WoonM.D.

NephrologyConcord, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 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
1,272
Beneficiaries
—
Total drug cost
$109K
Distinct drugs
30
Brand share
12.9%
Top prescribed drugs
Calcitriol183 claims
Losartan Potassium131 claims
Lisinopril122 claims
Amlodipine Besylate101 claims
Hydralazine Hcl83 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Sarah Woon'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). 31 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Ileana Helms
Nephrology · Concord, CA
85472
NPI 12553355353969
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
3367
Fernando Otero
Vascular Surgery · Walnut Creek, CA
30276
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
2451
Eric Chen
Interventional Radiology · Los Angeles, CA
2442
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
2451
David Woo
Diagnostic Radiology · Walnut Creek, CA
2263
Ayman Hosny
Cardiology · Concord, CA
2256
RENAL TREATMENT CENTERS CALIFORNIA INC.1951
Amy Lai
Diagnostic Radiology · New York, NY
1931
Ronald Chan
Diagnostic Radiology · Walnut Creek, CA
1729
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.