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 1245270131

Greg WarrenDO

PRACTICEALBEMARLE NEPHROLOGY PLLCSee all providers at this practice →
Internal MedicineElizabeth City, NCI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (12)

CCN 342515
Dialysis facility
CCN 342570
Dialysis facility
CCN 342586
Dialysis facility
CCN 342598
Dialysis facility
CCN 342708
Dialysis facility
CCN 347017
Home health agency
CCN 347202
Home health agency
CCN 340099
Hospital
CCN 340109
Hospital
CCN 341324
Hospital
CCN 490007
Hospital
CCN 490046
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$501
Payment records
26
By payment type
Food and Beverage$476
Education$25
PRESCRIBING · PART D · 2024
Total Rx claims
4,930
Beneficiaries
—
Total drug cost
$579K
Distinct drugs
97
Brand share
18.6%
Top prescribed drugs
Amlodipine Besylate282 claims
Lisinopril252 claims
Atorvastatin Calcium219 claims
Furosemide194 claims
Hydralazine Hcl165 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,044
Unique beneficiaries
—
Total services
1,819
Distinct HCPCS
13
Medicare payment
$147K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,554 Internal Medicine providers in NC — top quintile (cohort median 687).
REFERRAL NETWORK

Where Greg Warren'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). 68 inbound referrers · 112 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SENTARA ALBEMARLE REGIONAL MEDICAL CENTER3231,368
Ravi Ramsamooj
Nephrology · Elizabeth City, NC
154766
EAST CAROLINA HEALTH110707
BRANDSPIGEL, KARL106473
James Hunter
Diagnostic Radiology · Greenville, NC
94232
Jose Jacob
Cardiology · Leesburg, FL
89380
PEAT, KENNETH79220
George Jordan
Diagnostic Radiology · Greenville, NC
69157
SAUER, TUESDAY57141
Legesse Tebeje
Internal Medicine · East Point, GA
45237
Chad Howard
Internal Medicine · Charlotte, NC
41370
Thomas Green
Internal Medicine · Moyock, NC
41212
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SENTARA ALBEMARLE REGIONAL MEDICAL CENTER223888
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
187516
Ravi Ramsamooj
Nephrology · Elizabeth City, NC
154735
EAST CAROLINA HEALTH1461,207
BRANDSPIGEL, KARL104520
PEAT, KENNETH89241
Lindsey White
Cardiology · Elizabeth City, NC
88260
County Of Pasquotank Office Of The Treasurer
Ambulance Service Provider · Elizabeth City, NC
861,144
NPI 173014970983458
Jose Jacob
Cardiology · Leesburg, FL
71223
James Hunter
Diagnostic Radiology · Greenville, NC
66188
DVA HEALTHCARE RENAL CARE INC65504
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.