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PROVIDER PROFILE · NPI 1407851942

Charles ZachemD.O.

NephrologyEugene, ORI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$123
Payment records
2
By payment type
Food and Beverage$123
PRESCRIBING · PART D · 2024
Total Rx claims
2,053
Beneficiaries
—
Total drug cost
$152K
Distinct drugs
44
Brand share
14.6%
Top prescribed drugs
Calcitriol411 claims
Losartan Potassium147 claims
Amlodipine Besylate147 claims
Carvedilol129 claims
Furosemide88 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,040
Unique beneficiaries
—
Total services
2,479
Distinct HCPCS
16
Medicare payment
$139K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 103 Nephrology providers in OR — top quintile (cohort median 800).
REFERRAL NETWORK

Where Charles Zachem'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). 56 inbound referrers · 92 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
PEACEHEALTH260934
William Gutheim
Nephrology · Eugene, OR
187657
KRATKA, REED160394
FRESENIUS MEDICAL CARE DIALYSIS SERVICES - OREGON, LLC129915
Shalin Sanghvi
Nephrology · Springfield, OR
122350
John Dohrman
Nuclear Medicine · Eugene, OR
68163
David Saenger
Cardiology · Springfield, OR
67182
SPECTRA LABORATORIES INC65172
David Greenberg
Diagnostic Radiology · Bend, OR
62128
Charles Mcglade
Diagnostic Radiology · Springfield, OR
58157
Stephan Thiede
Diagnostic Radiology · Eugene, OR
58115
Akshay Gupta
Diagnostic Radiology · Springfield, OR
55118
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
PEACEHEALTH2001,132
PEACEHEALTH186671
William Gutheim
Nephrology · Eugene, OR
180609
Mary Labib
Nephrology · Springfield, OR
171421
KRATKA, REED139326
Shalin Sanghvi
Nephrology · Springfield, OR
118328
FRESENIUS MEDICAL CARE DIALYSIS SERVICES - OREGON, LLC112548
WILSON, LLOYD76232
John Dohrman
Nuclear Medicine · Eugene, OR
71163
SPECTRA LABORATORIES INC68190
Dariusz Zawierucha
Interventional Radiology · Springfield, OR
65172
Charles Mcglade
Diagnostic Radiology · Springfield, OR
62152
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.