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PROVIDER PROFILE · NPI 1366628935

John ZinkMD

PRACTICEALEPH LAB, LLCSee all providers at this practice →
General SurgeryWalnut Creek, CAI
CROSS-REFERENCE

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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
REFERRAL NETWORK

Where John Zink'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). 1 inbound referrers · 17 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Michael Deboisblanc
General Surgery · Walnut Creek, CA
1218
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
JOHN MUIR HEALTH70123
American Medical Response West
Ambulance Service Provider · Concord, CA
4058
Michael Deboisblanc
General Surgery · Walnut Creek, CA
2345
William Hoddick
Diagnostic Radiology · Walnut Creek, CA
1937
Jonathan Posin
Diagnostic Radiology · Walnut Creek, CA
1941
Brian Chin
General Surgery · Walnut Creek, CA
1630
Brian Mcguinness
Colorectal Surgery (Proctology) · Walnut Creek, CA
1635
ADEY, GEOFFREY1626
Charleen Kim
General Surgery · Walnut Creek, CA
1534
JOHN MUIR HEALTH1416
Terence Chen
Neurosurgery · Walnut Creek, CA
1215
Sunil Gandhi
Diagnostic Radiology · Walnut Creek, CA
1220
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
338
Unique beneficiaries
—
Total services
423
Distinct HCPCS
9
Medicare payment
$40K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,763 General Surgery providers in CA — top quintile (cohort median 269).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$17K
Payment records
39
By payment type
Education$12K
Travel and Lodging$4K
Food and Beverage$1K
Gift$15