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PROVIDER PROFILE · NPI 1821091323

NPI 1821091323

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.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where NPI 1821091323'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Michael Sullivan
Family Practice · Watertown, WI
105620
Robert Lesniak
Diagnostic Radiology · Waukesha, WI
3691
Robert Legrow
Family Practice · Watertown, WI
35216
Gratia Pitcher
Hospitalist · Duluth, MN
35113
David Yenerich
Diagnostic Radiology · Waukesha, WI
2964
Jeffrey Smith
Emergency Medicine · Summit, WI
2975
Erik Hardy
Internal Medicine · Madison, WI
2775
Michael Grajewski
Family Practice · Watertown, WI
27128
Edward Foster
Emergency Medicine · Watertown, WI
2752
Mark Bakalars
Diagnostic Radiology · Waukesha, WI
2553
HARGARTEN, KATHLEEN2474
NPI 10836943502086
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.