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PROVIDER PROFILE · NPI 1487646477

Paul WarrenMD

NephrologyMilwaukee, WII
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
1,873
Beneficiaries
—
Total drug cost
$70K
Distinct drugs
28
Brand share
4.1%
Top prescribed drugs
Calcitriol336 claims
Furosemide216 claims
Spironolactone185 claims
Amlodipine Besylate181 claims
Losartan Potassium158 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,262
Unique beneficiaries
—
Total services
2,550
Distinct HCPCS
12
Medicare payment
$228K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 145 Nephrology providers in WI — top quintile (cohort median 835).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$45
Payment records
2
By payment type
Education$25
Food and Beverage$21
REFERRAL NETWORK

Where Paul 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). 102 inbound referrers · 189 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
William Kraklow
Nephrology · Milwaukee, WI
113299
MORAN, JAMES82360
Cary Berkowitz
Internal Medicine · Elkhorn, WI
67473
AURORA HEALTH CARE SOUTHERN LAKES, INC.63123
Vasundhara Ganne
Nephrology · Milwaukee, WI
62146
Kathleen O'mara
Diagnostic Radiology · St Francis, WI
61150
PARATECH AMBULANCE SERVICE, INC.61181
Fouad Husnain
Pulmonary Disease · Burlington, WI
60309
Amir Daniel
Internal Medicine · Milwaukee, WI
51111
Nancy Blankenship
Diagnostic Radiology · New Berlin, WI
51103
Kathleen Uy
Nephrology · Milwaukee, WI
50132
Prakash Shah
Cardiology · Milwaukee, WI
49169
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
A2cl Services, Llc
Clinical Laboratory · West Allis, WI
2701,219
AURORA HEALTH CARE SOUTHERN LAKES, INC.180858
AURORA HEALTH CARE METRO, INC.146394
AURORA HEALTH CARE SOUTHERN LAKES, INC.127473
William Kraklow
Nephrology · Milwaukee, WI
103328
TOTAL RENAL CARE INC911,643
Lubna Majeed-Haqqi
Nephrology · Milwaukee, WI
86188
PARATECH AMBULANCE SERVICE, INC.85234
NPI 173014970974502
Stephen Welka
Cardiology · Burlington, WI
69350
Amir Daniel
Internal Medicine · Milwaukee, WI
69138
SWOBODA, ROBERT60153
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.