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PROVIDER PROFILE · NPI 1104845858

Abraham ChungM.D.

PRACTICEJOHN MUIR PHYSICIAN NETWORKSee all providers at this practice →
Internal MedicineConcord, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
90.3
Quality
89.5
Cost
74.3
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.64%
Group
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 050180
Hospital
CCN 050276
Hospital
CCN 050454
Hospital
CCN 050496
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
14
Beneficiaries
—
Total drug cost
$117
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Pantoprazole Sodium14 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$20
Payment records
1
By payment type
Food and Beverage$20
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
389
Unique beneficiaries
—
Total services
643
Distinct HCPCS
4
Medicare payment
$62K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).
REFERRAL NETWORK

Where Abraham Chung'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). 40 inbound referrers · 93 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Mitchell Applegate
Family Practice · Walnut Creek, CA
44168
CONTRA COSTA COUNTY42120
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
3463
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
3373
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
3372
Ronald Chan
Diagnostic Radiology · Walnut Creek, CA
2456
David Griffith
Emergency Medicine · Pittsburgh, PA
2338
Daniel Kim
Diagnostic Radiology · Walnut Creek, CA
2268
Melanie Lee
Internal Medicine · Concord, CA
2067
Ayman Hosny
Cardiology · Concord, CA
2048
Joan Reynolds
Diagnostic Radiology · Walnut Creek, CA
2033
Stephen Levinson
Emergency Medicine · Santa Rosa, CA
1943
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
JOHN MUIR HEALTH189346
American Medical Response West
Ambulance Service Provider · Concord, CA
95183
William Hoddick
Diagnostic Radiology · Walnut Creek, CA
74138
Angelo Crudale
Diagnostic Radiology · Walnut Creek, CA
64109
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
5793
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
46138
JOHN MUIR HEALTH4381
CONTRA COSTA COUNTY41142
Mitchell Applegate
Family Practice · Walnut Creek, CA
37137
JOHN MUIR HEALTH3666
Protransport 1
Ambulance Service Provider · Rohnert Park, CA
3473
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
3053
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.