Physician

Gerard J Mahoney, D.O.

According to 2025 Medicare claims, Gerard Mahoney, D.O. (NPI: 1659385219) practices family practice in the Traverse City, MI market, with the plurality of this provider's patient population coming from Benzie, MI. This provider's primary affiliated billing organization is CRYSTAL LAKE CLINIC P.C. (NPI: 1770537748; TIN: 383052737) and primary practice location at 49635-9003. Mahoney is affiliated with the West Michigan Accountable Care Organization, LLC (ACO ID: A4626) and Honest MSSP of Michigan LLC (ACO ID: A5616), participating under the MSSP model.

Mahoney's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 688 traditional Medicare patients, billed 4,978 HCPCS/CPT codes, and received $151,024 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 10,540 prescription claims across 732 beneficiaries totaling $821,452 in drug costs, led by Eliquis (Apixaban). DME data shows 364 claims. Open Payments data shows 30 records totaling $575. 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have changed little. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $55,612 and ending at $32,575.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	781	4,843	$167,522
2016	738	10,360	$160,867
2017	725	11,003	$147,151
2018	652	10,053	$127,226
2019	547	6,589	$112,505
2020	567	6,170	$99,911
2021	613	5,443	$126,008
2022	717	8,905	$215,883
2023	774	3,956	$196,056
2024	688	4,978	$151,024

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	962	19,971	$1,066,280
2016	950	19,940	$1,059,993
2017	959	20,316	$1,126,469
2018	875	17,575	$997,187
2019	839	14,500	$860,579
2020	775	12,417	$853,118
2021	773	10,425	$756,715
2022	766	10,403	$787,819
2023	767	10,361	$828,713
2024	732	10,540	$821,452

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	166	758	$43,815
2016	127	706	$33,344
2017	96	489	$15,430
2018	57	346	$22,444
2019	51	286	$32,117
2020	34	432	$37,637
2021	35	288	$34,483
2022	12	263	$28,216
2023	23	282	$36,425
2024	24	364	$30,747

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	278	278	$112
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	114	124	$107
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	382	607	$65
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	351	540	$50
G0008	Administration of influenza virus vaccine	76	76	$31

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	201	9,102	$170,742
Jardiance	Empagliflozin	87	4,993	$93,911
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	67	2,670	$53,147
Enbrel	Etanercept	13	364	$48,808
Trulicity	Dulaglutide	30	1,288	$44,483

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
E0466	Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)	Y	N/R	12	$12,253
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	22	$8,511
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	27	$2,262
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	42	$1,200
A4385	Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each	N	N/R	12	$872

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	30	$575	ABBVIE 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 Gerard J. Mahoney, D.O.?

Tedicare shows public-source Medicare data for Gerard J. Mahoney, D.O. (NPI 1659385219), 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 Gerard J. Mahoney, D.O. have ACO affiliation data?

Gerard J. Mahoney, D.O. is shown with ACO affiliation data for West Michigan Accountable Care Organization, LLC (MSSP, ACO ID A4626) and Honest MSSP of Michigan LLC (MSSP, ACO ID A5616).

What billing organization is linked to Gerard J. Mahoney, D.O.?

Gerard J. Mahoney, D.O. is linked to CRYSTAL LAKE CLINIC P.C. (billing NPI 1770537748) in the available physician profile data.

Does Gerard J. Mahoney, D.O. have Open Payments data?

Gerard J. Mahoney, D.O. has 30 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.