Physician

Carrie Allison Mcilwain, MD

According to 2025 Medicare claims, Carrie Mcilwain, MD (NPI: 1053677005) practices gynecologist/oncologist in the Chicago-Naperville-Schaumburg, IL market, with the plurality of this provider's patient population coming from Cook, IL. This provider's primary affiliated billing organization is AFFILIATED ONCOLOGISTS, LLC (NPI: 1225314362; TIN: 274182621) and primary practice location at 60453-2199.

Mcilwain's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 212 traditional Medicare patients, billed 89,799 HCPCS/CPT codes, and received $2,396,677 in Medicare payments. The top billing code was 96413 (Administration of chemotherapy into vein, 1 hour or less). Part D data shows 116 prescription claims across 56 beneficiaries totaling $236,508 in drug costs, led by Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen). Open Payments data shows 7 records totaling $169. 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 moved sharply higher in recent years, from $11,214 to $2,396,677. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $3,843 and ending at $236,508. 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	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	46	417	$11,214
2020	207	4,745	$83,303
2021	226	9,867	$234,996
2022	242	9,112	$265,489
2023	191	52,301	$970,856
2024	212	89,799	$2,396,677

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	35	65	$3,843
2016	N/R	N/R	N/R
2017	26	49	$5,143
2018	48	139	$13,455
2019	25	58	$6,665
2020	19	48	$22,660
2021	33	78	$1,951
2022	35	109	$3,900
2023	56	125	$29,476
2024	56	116	$236,508

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
96413	Administration of chemotherapy into vein, 1 hour or less	63	314	$105
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	136	$102
96367	Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less	50	261	$23
99459	Pelvic exam	106	157	$18
J1100	Injection, dexamethasone sodium phosphate, 1 mg	44	2,936	$0

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	32	128	$136
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	22	597	$127

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.	7	$169	Merck Sharp & Dohme LLC
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 Carrie Allison Mcilwain, MD?

Tedicare shows public-source Medicare data for Carrie Allison Mcilwain, MD (NPI 1053677005), 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 Carrie Allison Mcilwain, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Carrie Allison Mcilwain, MD?

Carrie Allison Mcilwain, MD is linked to AFFILIATED ONCOLOGISTS, LLC (billing NPI 1225314362) in the available physician profile data.

Does Carrie Allison Mcilwain, MD have Open Payments data?

Carrie Allison Mcilwain, MD 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.