Physician

Ammara Aziz, MD

According to 2025 Medicare claims, Ammara Aziz, MD (NPI: 1336407998) practices endocrinology 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 ENDEAVOR HEALTH MEDICAL GROUP (NPI: 1497701882; TIN: 363738206) and primary practice location at 60193-2972. Aziz is affiliated with the Northwestern Medicine Health Network ACO LLC (ACO ID: A5444), participating under the MSSP model.

Aziz's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 214 traditional Medicare patients, billed 803 HCPCS/CPT codes, and received $52,445 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 1,524 prescription claims across 231 beneficiaries totaling $852,040 in drug costs, led by Ozempic (Semaglutide). DME data shows 138 claims. Open Payments data shows 18 records totaling $400. 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 up and down with repeated peaks and valleys, starting at $4,023 and ending at $52,445. Concurrently, Part D prescription costs have risen steadily, from $8,029 to $852,040. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $181 and ending at $42,587.

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	41	50	$4,023
2017	147	320	$21,274
2018	192	439	$25,064
2019	259	552	$28,793
2020	222	875	$24,745
2021	98	1,429	$12,728
2022	21	93	$3,857
2023	168	458	$32,951
2024	214	803	$52,445

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	28	69	$8,029
2016	26	65	$13,688
2017	79	441	$102,647
2018	135	1,086	$400,756
2019	157	1,372	$522,747
2020	235	1,303	$569,480
2021	219	826	$515,180
2022	35	78	$39,521
2023	131	607	$354,038
2024	231	1,524	$852,040

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	45	$627
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	35	99	$5,633
2019	44	247	$33,759
2020	68	294	$40,629
2021	37	137	$19,336
2022	N/R	36	$7,960
2023	13	53	$10,615
2024	65	138	$42,529

* / # = 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
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	83	83	$132
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	123	285	$102
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	39	44	$70
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	38	53	$13
83036	Hemoglobin a1c level	65	143	$10

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	174	7,524	$239,749
Jardiance	Empagliflozin	200	11,515	$219,589
Mounjaro	Tirzepatide	102	3,594	$129,305
Trulicity	Dulaglutide	19	868	$29,497
Rybelsus	Semaglutide	17	750	$22,781

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	22	79	$39,246
E2103	Non-adjunctive, non-implanted continuous glucose monitor or receiver	N	12	12	$2,714
A4253	Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips	N	20	30	$548
A4259	Lancets, per box of 100	N	11	17	$21

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	18	$400	Lilly USA, 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 Ammara Aziz, MD?

Tedicare shows public-source Medicare data for Ammara Aziz, MD (NPI 1336407998), 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 Ammara Aziz, MD have ACO affiliation data?

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

What billing organization is linked to Ammara Aziz, MD?

Ammara Aziz, MD is linked to ENDEAVOR HEALTH MEDICAL GROUP (billing NPI 1497701882) in the available physician profile data.

Does Ammara Aziz, MD have Open Payments data?

Ammara Aziz, MD has 18 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.