Physician

Andrew Thomas Assenmacher, M.D.

According to 2025 Medicare claims, Andrew Assenmacher, M.D. (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 (NPI: 1194078055; TIN: 46-1111822) and primary practice location at 48162-7815. Assenmacher is affiliated with the ProMedica Health Network, Inc. (ACO ID: A3016), Physician Leaders Direct Contracting Entity, LLC (ACO ID: D0171), and Vytalize Health 9 ACO LLC (ACO ID: D0313), participating under both the MSSP and REACH models.

Assenmacher's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 323 traditional Medicare patients, billed 1,546 HCPCS/CPT codes, and received $122,270 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 170 prescription claims across 118 beneficiaries totaling $2,084 in drug costs, led by Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen). DME data shows 21 claims. Open Payments data shows 7 records totaling $568. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has risen steadily, from $2,049 to $122,270. In contrast, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $5,235 to $2,084. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
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
2024	323	1,546	$122,270

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
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
2024	118	170	$2,084

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	34	47	$3,168
2018	15	15	$1,181
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	11	12	$966
2023	24	24	$2,244
2024	21	21	$2,004

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	103	119	$92
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	80	102	$66
20610	Aspiration and/or injection of fluid from large joint	35	43	$49
73030	X-ray of shoulder, minimum of 2 views	81	130	$23
J3301	Injection, triamcinolone acetonide, not otherwise specified, 10 mg	48	508	$1

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	90	419	$469
Celecoxib	Celecoxib	11	555	$147
Cephalexin	Cephalexin	11	103	$72
Tramadol Hcl	Tramadol Hcl	11	45	$42
Meloxicam	Meloxicam	14	660	$29

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
L3670	Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf	N	21	21	$2,004

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	7	$568	Zimmer Biomet Holdings, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Andrew Thomas Assenmacher, M.D.?

Tedicare shows public-source Medicare data for Andrew Thomas Assenmacher, M.D. (NPI 1578791240), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Andrew Thomas Assenmacher, M.D. have ACO affiliation data?

Andrew Thomas Assenmacher, M.D. is shown with ACO affiliation data for ProMedica Health Network, Inc. (MSSP, ACO ID A3016), Physician Leaders Direct Contracting Entity, LLC (REACH, ACO ID D0171), and Vytalize Health 9 ACO LLC (REACH, ACO ID D0313).

What billing organization is linked to Andrew Thomas Assenmacher, M.D.?

Andrew Thomas Assenmacher, M.D. is linked to PROMEDICA MONROE PHYSICIANS (billing NPI 1194078055) in the available physician profile data.

Does Andrew Thomas Assenmacher, M.D. have Open Payments data?

Andrew Thomas Assenmacher, M.D. has 7 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.