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PROVIDER PROFILE · NPI 1154308435

Gregory MertenM.D.

NephrologyCharlotte, NCI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (8)

CCN 342594
Dialysis facility
CCN 342654
Dialysis facility
CCN 342738
Dialysis facility
CCN 340098
Hospital
CCN 340113
Hospital
CCN 340130
Hospital
CCN 340171
Hospital
CCN 343026
Inpatient rehabilitation facility
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,451
Unique beneficiaries
—
Total services
7,308
Distinct HCPCS
30
Medicare payment
$149K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 295 Nephrology providers in NC — top quintile (cohort median 1,277).
PRESCRIBING · PART D · 2024
Total Rx claims
564
Beneficiaries
—
Total drug cost
$86K
Distinct drugs
19
Brand share
4.4%
Top prescribed drugs
Calcitriol106 claims
Furosemide68 claims
Amlodipine Besylate51 claims
Losartan Potassium46 claims
Doxazosin Mesylate44 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$140
Payment records
3
By payment type
Food and Beverage$140
REFERRAL NETWORK

Where Gregory Merten'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). 76 inbound referrers · 132 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
CAROLINAS MEDICAL CENTER2281,093
Mecklenburg Emergency Medical Services Agency
Ambulance Service Provider · Charlotte, NC
116558
BIO-MEDICAL APPLICATIONS OF NORTH CAROLINA, INC.1031,032
LITTMANN, LASZLO75198
Nancy Gritter
Nephrology · Charlotte, NC
73742
Matthew Elliott
Nephrology · Charlotte, NC
72569
Chris Fotiadis
Nephrology · Charlotte, NC
70306
Spectra East, Inc.
Clinical Laboratory · Rockleigh, NJ
56135
Christopher Buehrig
Internal Medicine · Charlotte, NC
48156
CAROLINAS MEDICAL CENTER47133
Daniel Tierney
Nephrology · Charlotte, NC
39144
James Ferris
Diagnostic Radiology · Charlotte, NC
36138
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CAROLINAS MEDICAL CENTER188952
Mecklenburg Emergency Medical Services Agency
Ambulance Service Provider · Charlotte, NC
116618
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
101535
Todd Griffith
Nephrology · Charlotte, NC
94777
MERCY HOSPITAL, INC88445
Nancy Gritter
Nephrology · Charlotte, NC
87807
BIO-MEDICAL APPLICATIONS OF NORTH CAROLINA, INC.87674
CAROLINAS MEDICAL CENTER85410
Verachai Lohavichan
Nephrology · Charlotte, NC
70245
Matthew Elliott
Nephrology · Charlotte, NC
68616
THE PRESBYTERIAN HOSPITAL67323
Edward Fisher
Nephrology · Charlotte, NC
62239
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.