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PROVIDER PROFILE · NPI 1306870696

James GierahnM.D.

Internal MedicineRacine, WII
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
244
Unique beneficiaries
—
Total services
345
Distinct HCPCS
6
Medicare payment
$27K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,244 Internal Medicine providers in WI — below median (cohort median 578).
PRESCRIBING · PART D · 2024
Total Rx claims
8,844
Beneficiaries
—
Total drug cost
$541K
Distinct drugs
136
Brand share
19.4%
Top prescribed drugs
Atorvastatin Calcium642 claims
Furosemide506 claims
Amlodipine Besylate434 claims
Levothyroxine Sodium374 claims
Lisinopril287 claims
QUALITY · MIPS · 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 James Gierahn'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). 58 inbound referrers · 102 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
City Of Racine
Ambulance Service Provider · Racine, WI
62243
LINCOLN LUTHERAN HOME OF RACINE INC56359
PARATECH AMBULANCE SERVICE, INC.47182
Stephen Handrich
Diagnostic Radiology · Greenfield, WI
43145
Rushim Bains
Internal Medicine · Kildeer, IL
40314
Bhanu Prasad Paladugu
Internal Medicine · Roseburg, OR
40388
ZALESKI, GEORGE39165
Eric Jakubowski
Diagnostic Radiology · Waukesha, WI
35117
Mark Catherall
Hospitalist · Racine, WI
34264
Desiree Dizadji
Cardiology · Racine, WI
32192
WENZEL, MARK31117
James Walker
Diagnostic Radiology · Milwaukee, WI
31114
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ASCENSION ALL SAINTS HOSPITAL, INC4984,979
RACINE COUNTY2811,645
COOPER, SUZANNE1771,496
Wisconsin Diagnostic Laboratories Llc
Clinical Laboratory · Milwaukee, WI
1361,095
Symphony Diagnostic Services No 1 Llc
Portable X-Ray Supplier · Sparks, MD
65260
ERICKSON-NELSON SERVICES, INC64317
OLSON, DAVID46129
LINCOLN LUTHERAN HOME OF RACINE INC42175
NOSALIK, SUSAN40177
WISNIEWSKI, JASON38103
A2cl Services, Llc
Clinical Laboratory · West Allis, WI
3194
SCHUSTER, THOMAS3076
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.