What is William Katsiyiannis's specialty?

William Katsiyiannis (NPI 1811953987) is a Medicare-billing provider whose primary specialty is Clinical Cardiac Electrophysiology in Minneapolis, MN.

Where does William Katsiyiannis practice?

William Katsiyiannis practices in Minneapolis, MN, based on the location reported in the CMS Medicare provider datasets for NPI 1811953987.

How much does Medicare pay William Katsiyiannis?

William Katsiyiannis (NPI 1811953987) received approximately $65K in total Medicare Part B payments, serving 364 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events