Physician

Adam David Stein, MD

According to 2025 Medicare claims, Adam Stein, MD (NPI: 1316003833) practices endocrinology 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 60189-2037. Stein is affiliated with the Northwestern Medicine Health Network ACO LLC (ACO ID: A5444), participating under the MSSP model.

Stein's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 400 traditional Medicare patients, billed 5,210 HCPCS/CPT codes, and received $144,301 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 4,347 prescription claims across 527 beneficiaries totaling $2,484,901 in drug costs, led by Ozempic (Semaglutide). DME data shows 788 claims. Open Payments data shows 4 records totaling $1,975. 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 moved sharply higher in recent years, from $846,030 to $2,484,901. For DME billing, reported payments moved sharply higher in recent years, from $4,064 to $204,878.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	511	11,620	$136,310
2016	517	20,656	$161,905
2017	497	19,199	$164,933
2018	470	19,899	$170,851
2019	373	16,154	$122,578
2020	368	5,867	$80,427
2021	370	2,804	$92,388
2022	401	3,799	$107,254
2023	419	4,149	$120,955
2024	400	5,210	$144,301

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	376	3,008	$846,030
2016	431	3,355	$982,979
2017	434	3,587	$1,123,826
2018	485	3,519	$1,242,354
2019	490	3,197	$1,177,229
2020	644	2,703	$1,296,596
2021	489	2,873	$1,872,152
2022	510	3,616	$2,414,984
2023	516	3,885	$2,803,268
2024	527	4,347	$2,484,901

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	147	359	$9,881
2016	151	398	$12,309
2017	178	433	$18,018
2018	169	535	$44,897
2019	144	524	$56,920
2020	170	515	$59,576
2021	185	799	$171,467
2022	190	844	$133,360
2023	234	915	$149,016
2024	237	788	$216,715

* / # = 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	310	483	$92
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	44	44	$71
95251	Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report	78	151	$27
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	294	375	$13
83036	Hemoglobin a1c level	151	206	$10

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	383	19,773	$642,553
Jardiance	Empagliflozin	204	15,990	$300,955
Mounjaro	Tirzepatide	132	5,404	$199,226
Trulicity	Dulaglutide	123	5,746	$189,380
Humulin R U-500 Kwikpen	Insulin Regular, Human	17	981	$84,354

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
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	91	438	$180,113
J1817	Insulin for administration through dme (i.e., insulin pump) per 50 units	N	N/R	34	$12,501
E0784	External ambulatory infusion pump, insulin	Y	N/R	21	$6,927
A4224	Supplies for maintenance of insulin infusion catheter, per week	N	14	30	$6,702
E2103	Non-adjunctive, non-implanted continuous glucose monitor or receiver	N	23	23	$5,042

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	4	$1,975	Abbott Laboratories
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 Adam David Stein, MD?

Tedicare shows public-source Medicare data for Adam David Stein, MD (NPI 1316003833), 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 Adam David Stein, MD have ACO affiliation data?

Adam David Stein, MD is shown with ACO affiliation data for Northwestern Medicine Health Network ACO LLC (MSSP, ACO ID A5444).

What billing organization is linked to Adam David Stein, MD?

Adam David Stein, MD is linked to CENTRAL DUPAGE PHYSICIAN GROUP (billing NPI 1033149844) in the available physician profile data.

Does Adam David Stein, MD have Open Payments data?

Adam David Stein, MD has 4 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.