PROVIDER PROFILE · NPI 1750548434

Mary RiwesD.O.

PRACTICEUNIVERSITY OF MICHIGANSee all providers at this practice →

Medical OncologyAnn Arbor, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

115

Distinct HCPCS

Medicare payment

$12K

Peer benchmark

Total Medicare services vs. 86 Medical Oncology providers in MI — bottom quintile (cohort median 430).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$446K

Distinct drugs

Brand share

77.5%

Top prescribed drugs

Apixaban26 claims

Ruxolitinib Phosphate18 claims

Dexamethasone16 claims

Secukinumab11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Mary Riwes'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF MICHIGAN	51	2,544
Daniel Couriel Hematology-Oncology · Salt Lake City, UT	18	378
John Magenau Hematology · Ann Arbor, MI	18	253
Attaphol Pawarode Hematology-Oncology · Ann Arbor, MI	15	225

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history