Physician

Julia Sun, M.D.

According to 2025 Medicare claims, Julia Sun, M.D. (NPI: 1235589912) practices rheumatology 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 60045-1687. Sun is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Sun's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 452 traditional Medicare patients, billed 56,100 HCPCS/CPT codes, and received $956,281 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 678 prescription claims across 163 beneficiaries totaling $533,765 in drug costs, led by Tavneos (Avacopan). 2020 DME data shows 12 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $5,137 to $533,765. 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	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	80	913	$22,794
2022	273	9,209	$164,628
2023	415	76,198	$1,052,119
2024	452	56,100	$956,281

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	27	76	$5,137
2017	58	310	$30,641
2018	74	390	$47,171
2019	65	293	$64,428
2020	44	182	$153,720
2021	52	156	$154,809
2022	107	475	$105,058
2023	168	653	$276,642
2024	163	678	$533,765

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	29	$606
2018	N/R	41	$3,540
2019	N/R	N/R	N/R
2020	N/R	12	$709
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	N/R	N/R

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	130	$100
96365	Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	74	155	$51
J0897	Injection, denosumab, 1 mg	98	6,720	$20
96372	Injection of drug or substance under skin or into muscle	138	254	$12
36415	Insertion of needle into vein for collection of blood sample	89	155	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Tavneos	Avacopan	15	450	$221,137
Xeljanz Xr	Tofacitinib Citrate	15	450	$87,347
Rinvoq	Upadacitinib	14	420	$79,629
Methotrexate	Methotrexate Sodium	68	5,625	$2,797
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	90	7,694	$2,671

Top 5 DME services in 2024

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

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 Julia Sun, M.D.?

Tedicare shows public-source Medicare data for Julia Sun, M.D. (NPI 1235589912), 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 Julia Sun, M.D. have ACO affiliation data?

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

What billing organization is linked to Julia Sun, M.D.?

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

Does Julia Sun, 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.