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PROVIDER PROFILE · NPI 1316057045

David Grekin

DermatologyFort Wayne, INI
CROSS-REFERENCE

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ProviderScore
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
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.
REFERRAL NETWORK

Where David Grekin'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). 8 inbound referrers · 14 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
LAKELAND HOSPITALS AT NILES AND ST JOSEPH, INC65225
Shanon Lacy
Pathology · West Allis, WI
4370
Patrick Heintz
Pathology · West Allis, WI
2740
Rajesh Trivedi
Internal Medicine · West Bend, WI
1949
KURIATA, MARK1563
Mack Karnes
Diagnostic Radiology · St Francis, WI
1418
Ijaz Malik
Cardiology · Milwaukee, WI
1216
Nicholas Brahm
Family Practice · Hartford, WI
1146
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
A2cl Services, Llc
Clinical Laboratory · West Allis, WI
113226
LAKELAND HOSPITALS AT NILES AND ST JOSEPH, INC63187
Dermatopathology Laboratory Of Central States
Clinical Laboratory · Dayton, OH
5771
AURORA MEDICAL CENTER OF WASHINGTON COUNTY, INC.3343
KURIATA, MARK2376
Renee Jahnke
Internal Medicine · West Bend, WI
1738
Rajesh Trivedi
Internal Medicine · West Bend, WI
1668
Muhammad Mian
Internal Medicine · West Bend, WI
1571
Todd Rieter
Podiatry · West Bend, WI
1418
WEBER, ERIC1440
Mack Karnes
Diagnostic Radiology · St Francis, WI
1319
Ijaz Malik
Cardiology · Milwaukee, WI
1327
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.