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PROVIDER PROFILE · NPI 1265516421

John WilliamsM.D.

GastroenterologyMadison, WII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 520089
Hospital
CCN 520098
Hospital
QUALITY · MIPS · 2024
Final MIPS score
83.3
Quality
87.8
Cost
75.8
Improvement activities
40.0
Promoting interop.
77.0
Payment adjustment
0.35%
Group
PRESCRIBING · PART D · 2024
Total Rx claims
567
Beneficiaries
—
Total drug cost
$227K
Distinct drugs
12
Brand share
69.5%
Top prescribed drugs
Peg3350/Sod Sulf,bicarb,cl/Kcl271 claims
Omeprazole70 claims
Famotidine33 claims
Mesalamine29 claims
Balsalazide Disodium28 claims
REFERRAL NETWORK

Where John Williams'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). 3 inbound referrers · 4 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MERITER HOSPITAL, INC.137388
Jingnan Xiao
Pathology · Middleton, WI
1328
Michael Ford
Anesthesiology · Verona, WI
1225
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY166666
MERITER HOSPITAL, INC.3694
Rakesh Sarda
Pathology · Madison, WI
3074
Rashmi Agni
Pathology · Madison, WI
1937
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
437
Unique beneficiaries
—
Total services
470
Distinct HCPCS
12
Medicare payment
$46K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 249 Gastroenterology providers in WI — above median (cohort median 484).