What is Annika Illum's specialty?

Annika Illum (NPI 1588865778) is a Medicare-billing provider whose primary specialty is Cardiology in Dallas, TX.

Where does Annika Illum practice?

Annika Illum practices in Dallas, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1588865778.

How much does Medicare pay Annika Illum?

Annika Illum (NPI 1588865778) received approximately $81K in total Medicare Part B payments, serving 176 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588865778

Annika IllumM.D.

CardiologyDallas, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

517

Unique beneficiaries

—

Total services

872

Distinct HCPCS

Medicare payment

$77K

Peer benchmark

Total Medicare services vs. 1,379 Cardiology providers in TX — bottom quintile (cohort median 2,215).

PRESCRIBING · PART D · 2024

Total Rx claims

1,849

Beneficiaries

—

Total drug cost

$746K

Distinct drugs

Brand share

33.5%

Top prescribed drugs

Rosuvastatin Calcium209 claims

Ezetimibe157 claims

Sacubitril/Valsartan153 claims

Carvedilol145 claims

Apixaban134 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$551

Payment records

By payment type

Food and Beverage$551

Top paying entities

Food and Beverage$551

REFERRAL NETWORK

Where Annika Illum'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Brian Blatt Cardiology · Plano, TX	62	188
John Kim Diagnostic Radiology · Seattle, WA	43	227
Laboratory Corporation Of America Clinical Laboratory · Dallas, TX	35	77
Francis Wu Diagnostic Radiology · Plano, TX	28	98
Bao-Tram Nguyen Diagnostic Radiology · Plano, TX	26	89
HOLLAND, ROBERT	23	52
Jun Chen Nephrology · Plano, TX	23	164
Health Imaging Partners, Llc Independent Diagnostic Testing Facility (IDTF) · Plano, TX	21	35
William Peterson Emergency Medicine · Dallas, TX	20	60
Steven Davidoff Pulmonary Disease · Plano, TX	18	107
Arturo Segismundo Internal Medicine · Fort Worth, TX	17	433
Jeffrey Diebner Diagnostic Radiology · Plano, TX	16	64

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