Physician

Aarthi Vijaykumar, M.D.

According to 2025 Medicare claims, Aarthi Vijaykumar, M.D. (NPI: 1821215856) practices nephrology in the Elgin, IL market, with the plurality of this provider's patient population coming from Kane, IL. This provider's primary affiliated billing organization is NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD. (NPI: 1124069182; TIN: 362907660) and primary practice location at 60010-1919. Vijaykumar is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Vijaykumar's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 517 traditional Medicare patients, billed 1,944 HCPCS/CPT codes, and received $150,408 in Medicare payments. The top billing code was 99223 (Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes). Part D data shows 1,411 prescription claims across 238 beneficiaries totaling $57,029 in drug costs, led by Cinacalcet Hcl (Cinacalcet Hcl). Open Payments data shows 11 records totaling $354. 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 changed little. Concurrently, Part D prescription costs have moved from a higher plateau to a lower plateau, from $60,444 to $57,029. 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	444	1,385	$130,732
2016	422	1,296	$117,548
2017	566	1,810	$163,804
2018	659	1,826	$172,706
2019	652	1,788	$163,007
2020	594	2,178	$182,372
2021	531	2,222	$171,687
2022	495	1,789	$143,343
2023	488	1,698	$146,982
2024	517	1,944	$150,408

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	66	343	$60,444
2016	61	381	$81,297
2017	79	440	$77,361
2018	85	428	$22,523
2019	126	602	$32,584
2020	156	792	$25,591
2021	182	1,008	$33,088
2022	195	1,047	$40,571
2023	212	1,124	$53,050
2024	238	1,411	$57,029

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
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	117	136	$140
99233	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	174	378	$95
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	156	330	$63
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	121	149	$60
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	211	383	$12

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Cinacalcet Hcl	Cinacalcet Hcl	17	660	$10,868
Lokelma	Sodium Zirconium Cyclosilicate	15	482	$7,016
Sevelamer Carbonate	Sevelamer Carbonate	15	1,110	$1,998
Hydralazine Hcl	Hydralazine Hcl	180	10,559	$1,726
Losartan Potassium	Losartan Potassium	170	10,951	$1,458

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.	11	$354	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 Aarthi Vijaykumar, M.D.?

Tedicare shows public-source Medicare data for Aarthi Vijaykumar, M.D. (NPI 1821215856), 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 Aarthi Vijaykumar, M.D. have ACO affiliation data?

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

What billing organization is linked to Aarthi Vijaykumar, M.D.?

Aarthi Vijaykumar, M.D. is linked to NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD. (billing NPI 1124069182) in the available physician profile data.

Does Aarthi Vijaykumar, M.D. have Open Payments data?

Aarthi Vijaykumar, M.D. has 11 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.