Physician

Aaron A Bare, MD

According to 2025 Medicare claims, Aaron Bare, MD (NPI: 1902869670) practices orthopedic surgery in the Chicago-Naperville-Schaumburg, IL market, with the plurality of this provider's patient population coming from Du Page, IL. This provider's primary affiliated billing organization is CENTRAL DUPAGE PHYSICIAN GROUP (NPI: 1033149844; TIN: 363149833) and primary practice location at 60190-1295. Bare is affiliated with the Northwestern Medicine Health Network ACO LLC (ACO ID: A5444), participating under the MSSP model.

Bare's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 921 traditional Medicare patients, billed 2,873 HCPCS/CPT codes, and received $348,045 in Medicare payments. The top billing code was 99203 (New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more). Part D data shows 78 prescription claims across 55 beneficiaries totaling $463 in drug costs, led by Amoxicillin (Amoxicillin). DME data shows 22 claims. Open Payments data shows 13 records totaling $18,785. 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 changed little. Concurrently, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $4,165 to $463. 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	502	2,608	$280,457
2016	556	2,373	$235,895
2017	637	3,166	$319,724
2018	676	3,098	$275,763
2019	691	2,885	$293,282
2020	706	2,585	$236,631
2021	855	3,052	$297,628
2022	878	3,223	$337,039
2023	937	2,839	$314,643
2024	921	2,873	$348,045

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	88	202	$4,165
2016	85	166	$2,139
2017	63	94	$694
2018	81	114	$1,253
2019	71	96	$1,089
2020	50	64	$397
2021	54	64	$794
2022	30	39	$280
2023	68	97	$875
2024	55	78	$463

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	19	19	$6,807
2016	12	34	$4,540
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	22	22	$2,100

* / # = 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
99203	New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	249	249	$87
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	331	409	$74
20610	Aspiration and/or injection of fluid from large joint	209	231	$57
73030	X-ray of shoulder, minimum of 2 views	484	575	$31
J0702	Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	199	476	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Amoxicillin	Amoxicillin	29	29	$47

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	22	22	$2,100

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	13	$18,785	Catalyst OrthoScience
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 Aaron A. Bare, MD?

Tedicare shows public-source Medicare data for Aaron A. Bare, MD (NPI 1902869670), 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 Aaron A. Bare, MD have ACO affiliation data?

Aaron A. Bare, MD is shown with ACO affiliation data for Northwestern Medicine Health Network ACO LLC (MSSP, ACO ID A5444).

What billing organization is linked to Aaron A. Bare, MD?

Aaron A. Bare, MD is linked to CENTRAL DUPAGE PHYSICIAN GROUP (billing NPI 1033149844) in the available physician profile data.

Does Aaron A. Bare, MD have Open Payments data?

Aaron A. Bare, MD has 13 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.