Physician

Andrew Thomas Assenmacher, MD

Orthopedic surgery Monroe, MI Promedica Monroe Physicians Pllc

According to 2025 Medicare claims, Andrew Thomas Assenmacher, MD (NPI: 1578791240) practices orthopedic surgery in the Monroe, MI market, with the plurality of this provider's patient population coming from Monroe, MI. This provider's primary affiliated billing organization is Promedica Monroe Physicians Pllc (NPI: 1194078055; TIN: ).

Assenmacher's data goes back to 2012 and runs through 2026. For example, in 2023, this provider had 285 traditional Medicare patients, billed 1,808 HCPCS/CPT codes, and received $131,517 in Medicare payments. Part D data shows 200 prescription claims across 143 beneficiaries totaling $1,686 in drug costs, and DME data shows Suppressed by CMS claims. Open Payments data shows 7 records totaling $568.

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Download physician data with all billing codes (2014-2023) - $9 per 100 physicians.

10-Year Trend of Part B billing

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

Year	Patients	Services	Medicare Payment
2014	12	19	$1,906
2015	17	20	$2,049
2016	70	390	$16,675
2017	297	1,775	$98,594
2018	322	2,209	$118,379
2019	368	2,442	$123,949
2020	292	2,220	$101,637
2021	272	2,143	$127,659
2022	267	1,770	$97,199
2023	285	1,808	$131,517

10-Year Trend of Part D records

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

Year	Patients	Claims	Drug Cost
2014	24	29	$849
2015	59	104	$5,235
2016	51	117	$2,056
2017	91	184	$2,313
2018	77	129	$1,450
2019	93	143	$2,268
2020	114	193	$3,377
2021	99	169	$4,750
2022	96	136	$1,834
2023	143	200	$1,686

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	58	20	$4,895
2018	45	14	$3,782
2019	26	29	$3,905
2020	30	38	$5,795
2021	28	16	$848
2022	27	14	$1,252
2023	34	37	$4,403

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.

DME	Patients	Claims	Services	Medicare Payment
All DME supplier activity	34	37	37	$4,403
Prosthetics, orthotics, and supplies	33	33	33	$3,916

DME category summary is shown when item-level DME rows are not connected.

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

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