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PROVIDER PROFILE · NPI 1164421483

James MarcumMD

CardiologyCleveland, TNI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 110236
Hospital
CCN 440091
Hospital
CCN 440185
Hospital
CCN 441306
Hospital
CCN 441310
Hospital
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
$55
Payment records
3
By payment type
Food and Beverage$55
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
344
Unique beneficiaries
—
Total services
352
Distinct HCPCS
5
Medicare payment
$34K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 374 Cardiology providers in TN — bottom quintile (cohort median 2,451).
REFERRAL NETWORK

Where James Marcum'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). 205 inbound referrers · 536 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MEMORIAL HEALTH CARE SYSTEM INC.1,1581,968
MILLS, ROBERT344680
MEMORIAL HEALTH CARE SYSTEM INC.326442
RIMER, THOMAS296373
PIEZ, CHARLES291377
Donovan Yamada
Diagnostic Radiology · Knoxville, TN
181467
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
173303
Guy Barat
Diagnostic Radiology · New Port Richey, FL
160365
William Rowlett
Diagnostic Radiology · Chattanooga, TN
155201
George Watson
Diagnostic Radiology · Chattanooga, TN
139216
Kilton Kingsman
Diagnostic Radiology · Chattanooga, TN
137175
SOLSTAS LAB PARTNERS GROUP LLC123223
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MEMORIAL HEALTH CARE SYSTEM INC.2,1384,228
Brian Mitchell
Cardiology · Cleveland, TN
4261,000
MILLS, ROBERT420920
Joseph Powers
Cardiology · Cleveland, TN
4091,034
James Hoback
Internal Medicine · Chattanooga, TN
401544
John Bisese
Diagnostic Radiology · Chattanooga, TN
400580
Michael Lacombe
Diagnostic Radiology · Chattanooga, TN
357470
George Watson
Diagnostic Radiology · Chattanooga, TN
338518
William Rowlett
Diagnostic Radiology · Chattanooga, TN
337465
CLEVELAND TENNESSEE HOSPITAL COMPANY LLC314781
Richard Lynn
Diagnostic Radiology · Chattanooga, TN
308522
Kilton Kingsman
Diagnostic Radiology · Chattanooga, TN
278413
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.