Physician

Derek Dongwoo Lee, M.D.

According to 2025 Medicare claims, Derek Lee, M.D. (NPI: 1437341328) practices emergency medicine in the Waco, TX market, with the plurality of this provider's patient population coming from Mc Lennan, TX. This provider's primary affiliated billing organization is MCLENNAN COUNTY HOSPITALIST SERVICES PA (NPI: 1639242548; TIN: 205581922) and primary practice location at 76712-7910. Lee is affiliated with the CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Lee's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 582 traditional Medicare patients, billed 1,852 HCPCS/CPT codes, and received $187,288 in Medicare payments. The top billing code was 99291 (Critical care, first 30-74 minutes). Part D data shows 441 prescription claims across 216 beneficiaries totaling $23,507 in drug costs, led by Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter). DME data shows 30 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 fallen sharply in recent years, from $441,067 to $187,288. Similarly, Part D prescription costs have moved from a higher plateau to a lower plateau, from $50,268 to $23,507. In contrast, DME billing represents a smaller volume and did not follow a clear longitudinal pattern.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	1,484	4,843	$441,067
2016	1,501	4,915	$444,031
2017	1,419	4,574	$432,178
2018	1,206	4,100	$384,168
2019	1,245	3,890	$389,272
2020	1,051	3,303	$358,961
2021	878	2,866	$298,005
2022	678	2,270	$217,628
2023	639	2,001	$201,486
2024	582	1,852	$187,288

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	249	748	$50,268
2016	305	726	$47,482
2017	249	579	$31,148
2018	242	524	$36,564
2019	263	541	$31,856
2020	208	403	$17,396
2021	220	423	$25,200
2022	192	322	$17,440
2023	188	357	$15,921
2024	216	441	$23,507

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	28	$148
2017	16	118	$1,133
2018	N/R	70	$1,427
2019	N/R	94	$3,436
2020	32	111	$5,005
2021	49	183	$8,213
2022	40	188	$9,149
2023	N/R	65	$3,596
2024	N/R	30	$1,761

* / # = 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
99291	Critical care, first 30-74 minutes	88	209	$161
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	381	405	$128
99233	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	325	689	$89
99239	Hospital discharge day management, more than 30 minutes	233	241	$85
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	180	282	$58

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	360	$7,565
Eliquis	Apixaban	14	372	$7,113
Cefuroxime	Cefuroxime Axetil	32	160	$280
Pantoprazole Sodium	Pantoprazole Sodium	44	1,282	$257
Metoprolol Succinate	Metoprolol Succinate	16	510	$246

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
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	15	$1,442
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	N/R	15	$319

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 Derek Dongwoo Lee, M.D.?

Tedicare shows public-source Medicare data for Derek Dongwoo Lee, M.D. (NPI 1437341328), 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 Derek Dongwoo Lee, M.D. have ACO affiliation data?

Derek Dongwoo Lee, M.D. is shown with ACO affiliation data for CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Derek Dongwoo Lee, M.D.?

Derek Dongwoo Lee, M.D. is linked to MCLENNAN COUNTY HOSPITALIST SERVICES PA (billing NPI 1639242548) in the available physician profile data.

Does Derek Dongwoo Lee, 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.