PROVIDER PROFILE · NPI 1811953987

William KatsiyiannisMD

PRACTICEJ&J SERVICES, INCSee all providers at this practice →

Clinical Cardiac ElectrophysiologyMinneapolis, MNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

784

Unique beneficiaries

—

Total services

1,163

Distinct HCPCS

Medicare payment

$46K

Peer benchmark

Total Medicare services vs. 50 Clinical Cardiac Electrophysiology providers in MN — bottom quintile (cohort median 2,114).

PRESCRIBING · PART D · 2024

Total Rx claims

963

Beneficiaries

—

Total drug cost

$513K

Distinct drugs

Brand share

56.2%

Top prescribed drugs

Apixaban352 claims

Flecainide Acetate142 claims

Metoprolol Succinate113 claims

Sotalol Hcl73 claims

Rivaroxaban65 claims

QUALITY · MIPS · 2024

Final MIPS score

85.6

Quality

72.5

Cost

77.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.45%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$162

Payment records

By payment type

Food and Beverage$162

REFERRAL NETWORK

Where William Katsiyiannis'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
RIDGEVIEW MEDICAL CENTER	24	85
Norma Thiessen Cardiology · Edina, MN	21	48
Mosi Bennett Cardiology · Minneapolis, MN	13	44
Michael Samara Cardiology · Minneapolis, MN	12	25
Robert Yost Diagnostic Radiology · Waconia, MN	12	15
Barry Cabuay Cardiology · Minneapolis, MN	12	29
Christine Maxfield Nurse Practitioner · Minneapolis, MN	12	20
KAYFES, MAREVE	11	16
Katarzyna Hryniewicz Cardiology · Minneapolis, MN	11	31
John Lesser Cardiology · Minneapolis, MN	11	17

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