Physician

Alexander Ivanov, MD

Cardiology La Crosse-Onalaska, WI-MN Gundersen Lutheran Medical Center Inc

According to 2025 Medicare claims, Alexander Ivanov, MD (NPI: 1356873657) practices cardiology in the La Crosse-Onalaska, WI-MN market, with the plurality of this provider's patient population coming from La Crosse, WI. This provider's primary affiliated billing organization is Gundersen Lutheran Medical Center Inc (NPI: 1376593442; TIN: ).

Ivanov's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 18 traditional Medicare patients, billed 19 HCPCS/CPT codes, and received $2,079 in Medicare payments. Part D data shows 196 prescription claims across 47 beneficiaries totaling $54,585 in drug costs, and 2021 DME data shows 13 claims. Open Payments data shows 28 records totaling $4,852.

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10-Year Trend of Part B billing

Medicare payment trend, with patients and services in the table.

Year	Patients	Services	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	Not reported for this year	Not reported for this year	Not reported for this year
2018	Not reported for this year	Not reported for this year	Not reported for this year
2019	Not reported for this year	Not reported for this year	Not reported for this year
2020	Not reported for this year	Not reported for this year	Not reported for this year
2021	68	70	$10,397
2022	49	54	$7,426
2023	18	19	$2,079

10-Year Trend of Part D records

Prescription claims trend, with patients and drug cost in the table.

Year	Patients	Claims	Drug Cost
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	45	129	$7,243
2018	102	487	$40,191
2019	98	628	$130,595
2020	43	204	$43,471
2021	16	44	$6,905
2022	30	105	$19,999
2023	47	196	$54,585

10-Year Trend of DME records

DME claim records trend, with patients and payment in the table.

Year	Patients	Claims	Medicare Payment
2014	Not reported for this year	Not reported for this year	Not reported for this year
2015	Not reported for this year	Not reported for this year	Not reported for this year
2016	Not reported for this year	Not reported for this year	Not reported for this year
2017	Not reported for this year	Not reported for this year	Not reported for this year
2018	Not reported for this year	Not reported for this year	Not reported for this year
2019	Not reported for this year	Not reported for this year	Not reported for this year
2020	Not reported for this year	Not reported for this year	Not reported for this year
2021	Not reported for this year	13	$24,265
2022	Not reported for this year	Not reported for this year	Not reported for this year
2023	Not reported for this year	Not reported for this year	Not reported for this year

Top 5 Part B billing codes in 2023

By N of patients.

No connected Part B code-level records for 2023.

Top 5 Part D drugs in 2023

By N of patients.

No connected Part D drug-level records for 2023.

Top 5 DME in 2023

By N of patients.

No connected DME records for 2023.

Physician Data Export

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Part B billing, Part D prescribing, DME records, yearly summaries, source JSON, and source notes.

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