Physician

Duy Nelson Dao, DO, MPH, MS

According to 2025 Medicare claims, Duy Dao, DO, MPH, MS (NPI: 1356966501) practices emergency medicine in the Longview-Kelso, WA market, with the plurality of this provider's patient population coming from Cowlitz, WA. This provider's primary affiliated billing organization is CEP AMERICA LLC (NPI: 1548920598; TIN: 27-1369141) and primary practice location at 98632-2367. Dao is affiliated with the CommonSpirit ACO I (ACO ID: A2164), participating under the MSSP model.

Dao's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 308 traditional Medicare patients, billed 512 HCPCS/CPT codes, and received $43,419 in Medicare payments. The top billing code was 99291 (Critical care, first 30-74 minutes). Part D data shows 220 prescription claims across 157 beneficiaries totaling $5,302 in drug costs, led by Ondansetron Odt (Ondansetron). 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 $658 to $5,302. 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	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	308	512	$43,419

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	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	13	14	$658
2021	49	55	$971
2022	74	97	$2,023
2023	93	120	$2,330
2024	157	220	$5,302

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
99291	Critical care, first 30-74 minutes	52	52	$164
99285	Emergency department visit with high level of medical decision making	187	199	$131
99284	Emergency department visit with moderate level of medical decision making	58	60	$84
93010	Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	160	171	$6

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ondansetron Odt	Ondansetron	21	153	$242
Cephalexin	Cephalexin	25	154	$217
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	17	134	$173
Oxycodone Hcl	Oxycodone Hcl	24	37	$79
Prednisone	Prednisone	12	60	$31

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 Duy Nelson Dao, DO, MPH, MS?

Tedicare shows public-source Medicare data for Duy Nelson Dao, DO, MPH, MS (NPI 1356966501), 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 Duy Nelson Dao, DO, MPH, MS have ACO affiliation data?

Duy Nelson Dao, DO, MPH, MS is shown with ACO affiliation data for CommonSpirit ACO I (MSSP, ACO ID A2164).

What billing organization is linked to Duy Nelson Dao, DO, MPH, MS?

Duy Nelson Dao, DO, MPH, MS is linked to CEP AMERICA LLC (billing NPI 1548920598) in the available physician profile data.

Does Duy Nelson Dao, DO, MPH, MS 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.