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 1316948771

Michael ZakemD.O.

Hematology-OncologyGrand Rapids, MII
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
915
Unique beneficiaries
—
Total services
2,777
Distinct HCPCS
25
Medicare payment
$45K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 228 Hematology-Oncology providers in MI — top quintile (cohort median 844).
PRESCRIBING · PART D · 2024
Total Rx claims
485
Beneficiaries
—
Total drug cost
$816K
Distinct drugs
11
Brand share
34.8%
Top prescribed drugs
Hydroxyurea213 claims
Apixaban91 claims
Acyclovir52 claims
Rivaroxaban30 claims
Zanubrutinib25 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Michael Zakem'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). 29 inbound referrers · 51 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MATHEW, EMILY144356
Rolf Hollstein
Diagnostic Radiology · Grand Rapids, MI
51166
Kelly Ludema
Diagnostic Radiology · Grand Rapids, MI
43164
Paul Kovack
Cardiology · Wyoming, MI
27156
Stephanie Dublis
Hematology-Oncology · Grand Rapids, MI
24188
David Patrick
Diagnostic Radiology · Jackson, MI
2378
SPECTRUM HEALTH PRIMARY CARE PARTNERS2198
Kerry Larson
Diagnostic Radiology · Grand Rapids, MI
2050
Dean Gorsuch
Diagnostic Radiology · Grand Rapids, MI
2044
Sarat Khandavalli
Pathology · Wyoming, MI
2063
William Rozell
Interventional Radiology · Grand Rapids, MI
19160
Jeffrey Mcclure
Diagnostic Radiology · Grand Rapids, MI
1845
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
METROPOLITAN HOSPITAL4128,114
REGENTS OF THE UNIVERSITY OF MICHIGAN97433
Aaron Zarnosky
Physician Assistant · Grand Rapids, MI
72257
SPECTRUM HEALTH HOSPITALS67381
METROPOLITAN ENTERPRISES INC.47186
MATHEW, EMILY45160
Kelly Ludema
Diagnostic Radiology · Grand Rapids, MI
42152
Rolf Hollstein
Diagnostic Radiology · Grand Rapids, MI
36110
Robert Deguzman
Diagnostic Radiology · Grand Rapids, MI
3597
David Reynolds
Diagnostic Radiology · Grand Rapids, MI
3296
Michael Naski
Pathology · Wyoming, MI
2999
Leonard Coiner
Diagnostic Radiology · Grand Rapids, MI
2792
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
$18
Payment records
1
By payment type
Food and Beverage$18