caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1346322872

William HaslerMD

PRACTICEUNIVERSITY OF MICHIGANSee all providers at this practice →
GastroenterologyAnn Arbor, MII
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
86.5
Quality
78.3
Cost
76.6
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.48%
Group
REFERRAL NETWORK

Where William Hasler'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). 9 inbound referrers · 9 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
REGENTS OF THE UNIVERSITY OF MICHIGAN1931,010
Christine Brozo
Physician Assistant · Ann Arbor, MI
3048
REGENTS OF THE UNIVERSITY OF MICHIGAN1847
SONDA, L1444
Aamer Chughtai
Diagnostic Radiology · Ann Arbor, MI
1427
Santhi Ganesh
Cardiology · Ann Arbor, MI
1331
Mohamed Sayyouh
Diagnostic Radiology · Ann Arbor, MI
1125
Peter Liu
Diagnostic Radiology · Cleveland, OH
1128
Jonathan Mchugh
Pathology · Ann Arbor, MI
1121
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
REGENTS OF THE UNIVERSITY OF MICHIGAN98539
REGENTS OF THE UNIVERSITY OF MICHIGAN51143
REGENTS OF THE UNIVERSITY OF MICHIGAN1943
APPELMAN, HENRY1640
Fred Morady
Clinical Cardiac Electrophysiology · Ann Arbor, MI
1538
Michael Lehmann
Internal Medicine · Northville, MI
1435
Huron Valley Ambulance Inc
Ambulance Service Provider · Ann Arbor, MI
1328
MCKENNA, BARBARA1122
SONDA, L1144
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$179
Payment records
4
By payment type
Food and Beverage$179
PRESCRIBING · PART D · 2024
Total Rx claims
314
Beneficiaries
—
Total drug cost
$88K
Distinct drugs
13
Brand share
29.0%
Top prescribed drugs
Famotidine66 claims
Gentamicin Sulfate53 claims
Mirtazapine36 claims
Pantoprazole Sodium30 claims
Rifaximin23 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
596
Unique beneficiaries
—
Total services
622
Distinct HCPCS
12
Medicare payment
$48K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 386 Gastroenterology providers in MI — above median (cohort median 472).