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PROVIDER PROFILE · NPI 1396767752

Brian KastnerMD

Radiation OncologyEast Grand Rapids, MII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.00%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
11
Beneficiaries
—
Total drug cost
$741
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Memantine Hcl11 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
450
Unique beneficiaries
—
Total services
920
Distinct HCPCS
12
Medicare payment
$52K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 158 Radiation Oncology providers in MI — below median (cohort median 1,356).
REFERRAL NETWORK

Where Brian Kastner'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). 19 inbound referrers · 30 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Patrick Fabrizio
Radiation Oncology · Grand Rapids, MI
1652,898
SPECTRUM HEALTH PRIMARY CARE PARTNERS56287
Matthew Packard
Radiation Oncology · Grand Rapids, MI
51297
REED CITY HOSPITAL CORPORATION41194
O'ROURKE, TIMOTHY29295
Paul Shreve
Diagnostic Radiology · Grand Rapids, MI
2881
SPECTRUM HEALTH UNITED26229
Yuanbin Chen
Hematology-Oncology · Orlando, FL
25363
Amy Vander Woude
Hematology-Oncology · Grand Rapids, MI
2485
NPI 145737965321145
Latha Sree Polavaram
Hematology-Oncology · Grand Rapids, MI
21258
Eric Santos
Hematology-Oncology · Grand Rapids, MI
20510
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SPECTRUM HEALTH HOSPITALS2382,198
Michael Mahacek
Radiation Oncology · Grand Rapids, MI
1812,714
Patrick Fabrizio
Radiation Oncology · Grand Rapids, MI
1762,578
Eric Buth
Radiation Oncology · Reed City, MI
1702,418
REGENTS OF THE UNIVERSITY OF MICHIGAN90460
SPECTRUM HEALTH PRIMARY CARE PARTNERS55264
Matthew Packard
Radiation Oncology · Grand Rapids, MI
45271
Paul Thieme
Radiation Oncology · Marquette, MI
43645
REED CITY HOSPITAL CORPORATION40187
Nehal Lakhani
Hematology-Oncology · Grand Rapids, MI
33981
O'ROURKE, TIMOTHY31367
Brett Brinker
Hematology-Oncology · Grand Rapids, MI
28332
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.