Physician

Aaron S Epstein, MD

According to 2025 Medicare claims, Aaron Epstein, MD (NPI: 1922085729) practices emergency medicine in the Lake County, IL market, with the plurality of this provider's patient population coming from Lake, IL. This provider's primary affiliated billing organization is NORTHWESTERN MEDICAL FACULTY FOUNDATION (NPI: 1346235314; TIN: 363097297) and primary practice location at 60045-1659. Epstein is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Epstein's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 239 traditional Medicare patients, billed 255 HCPCS/CPT codes, and received $28,650 in Medicare payments. The top billing code was 99291 (Critical care, first 30-74 minutes). Part D data shows 105 prescription claims across 69 beneficiaries totaling $2,876 in drug costs, led by Cephalexin (Cephalexin). Open Payments data shows 25 records totaling $19,864. 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 declined steadily, from $53,484 to $28,650. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $1,617 and ending at $2,876. 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	418	472	$53,484
2016	422	467	$53,477
2017	374	406	$46,554
2018	404	444	$49,482
2019	398	433	$49,926
2020	283	317	$35,250
2021	353	368	$44,826
2022	377	412	$46,302
2023	290	315	$37,103
2024	239	255	$28,650

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	71	100	$1,617
2016	64	80	$2,697
2017	61	90	$3,064
2018	61	89	$7,384
2019	58	83	$2,880
2020	36	55	$2,053
2021	46	58	$2,933
2022	69	102	$2,667
2023	71	105	$2,069
2024	69	105	$2,876

DME Billing Trend

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

No connected DME records

* / # = 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
99291	Critical care, first 30-74 minutes	14	14	$156
99285	Emergency department visit with high level of medical decision making	115	117	$134
99284	Emergency department visit with moderate level of medical decision making	99	101	$96

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Cephalexin	Cephalexin	21	147	$137

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	25	$19,864	AstraZeneca Pharmaceuticals LP
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 S. Epstein, MD?

Tedicare shows public-source Medicare data for Aaron S. Epstein, MD (NPI 1922085729), 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 S. Epstein, MD have ACO affiliation data?

Aaron S. Epstein, MD is shown with ACO affiliation data for Northwestern Medicine Physician Network ACO (MSSP, ACO ID A2620).

What billing organization is linked to Aaron S. Epstein, MD?

Aaron S. Epstein, MD is linked to NORTHWESTERN MEDICAL FACULTY FOUNDATION (billing NPI 1346235314) in the available physician profile data.

Does Aaron S. Epstein, MD have Open Payments data?

Aaron S. Epstein, MD has 25 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.