caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1679557649

Lisa CarknerM.D.

PRACTICEMEMORIAL HEART INSTITUTE, LLCSee all providers at this practice →
CardiologyChattanooga, TNI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
REFERRAL NETWORK

Where Lisa Carkner'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). 122 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MEMORIAL HEALTH CARE SYSTEM INC.1,3692,733
MEMORIAL HEALTH CARE SYSTEM INC.310416
RIMER, THOMAS221362
George Watson
Diagnostic Radiology · Chattanooga, TN
183325
William Rowlett
Diagnostic Radiology · Chattanooga, TN
179268
Kilton Kingsman
Diagnostic Radiology · Chattanooga, TN
179295
PIEZ, CHARLES160274
Allen Atchley
Cardiology · Chattanooga, TN
154269
MILLS, ROBERT148269
County Of Hamilton
Ambulance Service Provider · Chattanooga, TN
131210
Van Monroe
Cardiology · Chattanooga, TN
116201
James Marcum
Cardiology · Cleveland, TN
110173
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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
4,498
Unique beneficiaries
—
Total services
5,338
Distinct HCPCS
26
Medicare payment
$157K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 374 Cardiology providers in TN — top quintile (cohort median 2,451).
PRESCRIBING · PART D · 2024
Total Rx claims
6,883
Beneficiaries
—
Total drug cost
$1.0M
Distinct drugs
54
Brand share
24.6%
Top prescribed drugs
Atorvastatin Calcium657 claims
Metoprolol Succinate593 claims
Apixaban485 claims
Amlodipine Besylate448 claims
Rosuvastatin Calcium393 claims
QUALITY · MIPS · 2024
Final MIPS score
94.3
Quality
92.6
Cost
0.0
Improvement activities
40.0
Promoting interop.
93.2
Payment adjustment
0.81%
APM Entity
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$41
Payment records
2
By payment type
Food and Beverage$41