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PROVIDER PROFILE · NPI 1154367993

Ronald ChanM.D.

Diagnostic RadiologyWalnut Creek, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
4,323
Unique beneficiaries
—
Total services
8,003
Distinct HCPCS
60
Medicare payment
$172K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — top quintile (cohort median 2,975).
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 050180
Hospital
CCN 050276
Hospital
CCN 050496
Hospital
CCN 050689
Hospital
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
83.6
Quality
67.6
Cost
71.6
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.36%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Ronald Chan'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). 172 inbound referrers · 408 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
STANFORD HEALTH CARE TRI-VALLEY271476
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
186305
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
136195
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
129206
Amy Lai
Diagnostic Radiology · New York, NY
105155
Mark Tu
Diagnostic Radiology · Walnut Creek, CA
104179
Eric Chen
Interventional Radiology · Los Angeles, CA
99138
Kimberly Blumberg
Diagnostic Radiology · Walnut Creek, CA
98151
Michael Brown
Cardiology · Walnut Creek, CA
88166
Daniel Kim
Diagnostic Radiology · Walnut Creek, CA
84147
Saurabh Patel
Diagnostic Radiology · Walnut Creek, CA
71106
David Woo
Diagnostic Radiology · Walnut Creek, CA
71116
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
JOHN MUIR HEALTH8571,266
JOHN MUIR HEALTH534804
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
533985
American Medical Response West
Ambulance Service Provider · Concord, CA
271386
William Hoddick
Diagnostic Radiology · Walnut Creek, CA
225395
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
203314
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
177278
JOHN MUIR HEALTH162188
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
161226
Amy Lai
Diagnostic Radiology · New York, NY
133222
Kirk So
Diagnostic Radiology · Walnut Creek, CA
125171
Kimberly Blumberg
Diagnostic Radiology · Walnut Creek, CA
123176
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.