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 1275737165

Ian GrimesM.D.

GastroenterologyMadison, WII
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
Total Rx claims
721
Beneficiaries
—
Total drug cost
$2.5M
Distinct drugs
16
Brand share
63.9%
Top prescribed drugs
Peg3350/Sod Sulf,bicarb,cl/Kcl199 claims
Adalimumab93 claims
Mesalamine46 claims
Azathioprine46 claims
Pantoprazole Sodium35 claims
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
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
342
Unique beneficiaries
—
Total services
358
Distinct HCPCS
8
Medicare payment
$33K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 249 Gastroenterology providers in WI — below median (cohort median 484).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Ian Grimes'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). 5 inbound referrers · 14 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Kristina Matkowskyj
Pathology · Rochester, MN
3466
Igor Slukvin
Pathology · Madison, WI
3468
MERITER HOSPITAL, INC.1742
MAKIELSKI, JONATHAN1628
Michael Ford
Anesthesiology · Verona, WI
1124
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY248943
MILE BLUFF MEDICAL CENTER INC43153
Rashmi Agni
Pathology · Madison, WI
3570
Jesse Lloyd
Pathology · Madison, WI
2245
MILE BLUFF MEDICAL CENTER INC2147
Jeffrey Kanne
Diagnostic Radiology · Madison, WI
2053
Agnes Loeffler
Pathology · Cleveland, OH
1836
Timothy Kamp
Cardiology · Madison, WI
1418
Darya Buehler
Pathology · Madison, WI
1323
MAKIELSKI, JONATHAN1320
Rao Watson
Pathology · St Louis Park, MN
1223
Claire Beaumont
Diagnostic Radiology · Little Rock, AR
1117
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.