Physician

Denise Monahan, M.D.

According to 2025 Medicare claims, Denise Monahan, M.D. (NPI: 1114170289) practices surgical oncology 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. Monahan is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Monahan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 328 traditional Medicare patients, billed 615 HCPCS/CPT codes, and received $94,102 in Medicare payments. The top billing code was 19301 (Partial removal of breast). Part D data shows 33 prescription claims across 28 beneficiaries totaling $104 in drug costs, led by Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen). DME data shows 28 claims. No Open Payments records. 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 risen steadily, from $6,715 to $94,102. In contrast, Part D prescription costs have fallen sharply in recent years, from $294 to $104. 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	36	65	$6,715
2016	54	99	$11,428
2017	70	162	$38,791
2018	118	230	$45,122
2019	145	300	$50,877
2020	170	351	$68,773
2021	239	475	$84,593
2022	275	527	$87,178
2023	298	595	$98,909
2024	328	615	$94,102

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	N/R	N/R
2016	N/R	13	$294
2017	18	20	$95
2018	11	12	$63
2019	N/R	12	$108
2020	22	30	$304
2021	17	26	$407
2022	21	25	$193
2023	17	18	$79
2024	28	33	$104

DME Billing Trend

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

Year	Patients	Claims	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	N/R	11	$925
2020	N/R	N/R	N/R
2021	N/R	23	$1,689
2022	N/R	N/R	N/R
2023	14	25	$2,359
2024	17	28	$2,665

* / # = 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
19301	Partial removal of breast	40	41	$563
38525	Biopsy or removal of deep lymph nodes of underarm	22	22	$206
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	45	45	$169
99203	New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$84
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	225	324	$68

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	20	29	$43

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
L8000	Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type	N	17	28	$2,665

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Denise Monahan, M.D.?

Tedicare shows public-source Medicare data for Denise Monahan, M.D. (NPI 1114170289), 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 Denise Monahan, M.D. have ACO affiliation data?

Denise Monahan, M.D. is shown with ACO affiliation data for Northwestern Medicine Physician Network ACO (MSSP, ACO ID A2620).

What billing organization is linked to Denise Monahan, M.D.?

Denise Monahan, M.D. is linked to NORTHWESTERN MEDICAL FACULTY FOUNDATION (billing NPI 1346235314) in the available physician profile data.

Does Denise Monahan, M.D. have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.