Physician

Archie Lim Ong, M.D.

According to 2025 Medicare claims, Archie Ong, M.D. (NPI: 1093979486) practices neurology 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 60045-1601. Ong is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.

Ong's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 339 traditional Medicare patients, billed 62,662 HCPCS/CPT codes, and received $1,114,447 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 34 prescription claims across 26 beneficiaries totaling $6,873 in drug costs, led by Atorvastatin Calcium (Atorvastatin Calcium). Open Payments data shows 1 records totaling $143. 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 $71,459 to $1,114,447. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. 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	372	688	$71,459
2016	443	768	$72,835
2017	508	900	$88,515
2018	556	917	$90,257
2019	576	1,044	$105,272
2020	502	891	$89,896
2021	550	978	$97,666
2022	519	883	$91,126
2023	418	5,379	$191,527
2024	339	62,662	$1,114,447

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	49	178	$6,655
2016	95	314	$17,050
2017	118	543	$52,513
2018	123	541	$48,983
2019	123	534	$60,069
2020	146	635	$77,682
2021	167	729	$85,729
2022	175	732	$107,722
2023	162	565	$73,947
2024	26	34	$6,873

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
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	97	97	$110
99222	Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	154	166	$107
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	67	81	$65
96365	Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	35	127	$53
99231	Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	110	175	$41

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Atorvastatin Calcium	Atorvastatin Calcium	12	1,080	$106

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.	1	$143	W. L. Gore & Associates, Inc.
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 Archie Lim Ong, M.D.?

Tedicare shows public-source Medicare data for Archie Lim Ong, M.D. (NPI 1093979486), 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 Archie Lim Ong, M.D. have ACO affiliation data?

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

What billing organization is linked to Archie Lim Ong, M.D.?

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

Does Archie Lim Ong, M.D. have Open Payments data?

Archie Lim Ong, M.D. has 1 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.