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PROVIDER PROFILE · NPI 1407047913

Karna ColbyM.D.

PRACTICEESS OF MARION LLCSee all providers at this practice →
PathologyMarion, ILI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
978
Unique beneficiaries
—
Total services
1,847
Distinct HCPCS
8
Medicare payment
$47K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 512 Pathology providers in IL — above median (cohort median 1,607).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
88.6
Quality
86.8
Cost
75.3
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.57%
Group
REFERRAL NETWORK

Where Karna Colby'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 · 4 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Sanford Bismarck
Clinical Laboratory · Bismarck, ND
1530
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SANFORD BISMARCK67169
FISHER, CATHERINE2638
Richelle Knudson
Dermatology · Bismarck, ND
1546
William Cornatzer
Dermatology · Bismarck, ND
1321
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.