Total Payments
$980,262
2024 Payments
$412,917
Companies
14
Transactions
992
Medicare Patients
2,077
Medicare Billing
$214,519
Payment Breakdown by Category
Other$852,103 (86.9%)
Travel$93,387 (9.5%)
Food & Beverage$20,352 (2.1%)
Consulting$14,245 (1.5%)
Education$175.77 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $852,103 | 312 | 86.9% |
| Travel and Lodging | $93,387 | 394 | 9.5% |
| Food and Beverage | $20,352 | 273 | 2.1% |
| Consulting Fee | $14,245 | 9 | 1.5% |
| Education | $175.77 | 4 | 0.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| GlaxoSmithKline, LLC. | $335,331 | 324 | $0 (2024) |
| GENZYME CORPORATION | $278,055 | 256 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $208,154 | 211 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $122,505 | 154 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $27,404 | 29 | $0 (2024) |
| Amgen Inc. | $7,754 | 5 | $0 (2023) |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $355.55 | 4 | $0 (2024) |
| SANOFI-AVENTIS U.S. LLC | $153.98 | 2 | $0 (2023) |
| Janssen Pharmaceuticals, Inc | $121.04 | 1 | $0 (2019) |
| Jazz Pharmaceuticals Inc. | $111.60 | 1 | $0 (2020) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $412,917 | 350 | GENZYME CORPORATION ($125,136) |
| 2023 | $372,671 | 411 | GlaxoSmithKline, LLC. ($172,558) |
| 2022 | $163,638 | 193 | GENZYME CORPORATION ($63,469) |
| 2021 | $30,531 | 33 | GENZYME CORPORATION ($28,237) |
| 2020 | $158.70 | 2 | Jazz Pharmaceuticals Inc. ($111.60) |
| 2019 | $121.04 | 1 | Janssen Pharmaceuticals, Inc ($121.04) |
| 2018 | $224.93 | 2 | AstraZeneca Pharmaceuticals LP ($124.93) |
All Payment Transactions
992 individual payment records from CMS Open Payments — Page 1 of 40
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/23/2024 | GlaxoSmithKline, LLC. | — | Consulting Fee | Cash or cash equivalent | $4,225.00 | General |
| 12/11/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | OFEV (Drug) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $4,195.00 | General |
| Category: RESPIRATORY | ||||||
| 12/05/2024 | GlaxoSmithKline, LLC. | — | Food and Beverage | Cash or cash equivalent | $97.92 | General |
| 12/05/2024 | GlaxoSmithKline, LLC. | — | Travel and Lodging | Cash or cash equivalent | $90.00 | General |
| 12/05/2024 | GlaxoSmithKline, LLC. | — | Travel and Lodging | Cash or cash equivalent | $10.00 | General |
| 11/26/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $2,673.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/26/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $2,673.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/21/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $2,673.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/19/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $7,425.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/19/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $5,049.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/19/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $2,673.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/16/2024 | GlaxoSmithKline, LLC. | — | Food and Beverage | In-kind items and services | $51.68 | General |
| 11/16/2024 | GlaxoSmithKline, LLC. | — | Food and Beverage | In-kind items and services | $30.00 | General |
| 11/16/2024 | GlaxoSmithKline, LLC. | — | Food and Beverage | In-kind items and services | $23.56 | General |
| 11/15/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Travel and Lodging | In-kind items and services | $1,291.64 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/15/2024 | AstraZeneca Pharmaceuticals LP | TEZSPIRE (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $950.00 | General |
| Category: Respiratory | ||||||
| 11/14/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $3,861.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/14/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $3,267.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/14/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $3,267.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/14/2024 | GlaxoSmithKline, LLC. | — | Travel and Lodging | In-kind items and services | $421.80 | General |
| 11/12/2024 | GENZYME CORPORATION | DUPIXENT (Biological), DUPIXENT | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $2,079.00 | General |
| Category: Immunology | ||||||
| 11/08/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $125.01 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/08/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $125.00 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/08/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $19.04 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/06/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | Cash or cash equivalent | $3,900.00 | General |
| Category: IMMUNOLOGY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 537 | 618 | $240,489 | $46,564 |
| 2022 | 11 | 503 | 594 | $231,731 | $50,377 |
| 2021 | 13 | 550 | 687 | $232,640 | $55,184 |
| 2020 | 14 | 487 | 647 | $257,120 | $62,394 |
Total Patients
2,077
Total Services
2,546
Medicare Billing
$214,519
Procedure Codes
60
All Medicare Procedures & Services
60 procedure records from CMS Medicare Utilization — Page 2 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | Facility | 2022 | 18 | 18 | $756.00 | $146.67 | 19.4% |
| 94729 | Test to examine how well the lungs exchange gases | Facility | 2022 | 18 | 18 | $486.00 | $126.81 | 26.1% |
| 85018 | Blood count, hemoglobin | Office | 2022 | 14 | 14 | $140.00 | $32.65 | 23.3% |
| 99291 | Critical care delivery critically ill or injured patient, first 30-74 minutes | Facility | 2021 | 48 | 109 | $92,868 | $19,091 | 20.6% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 87 | 102 | $40,290 | $9,883 | 24.5% |
| 95810 | Sleep monitoring of patient (6 years or older) in sleep lab | Facility | 2021 | 50 | 50 | $18,005 | $4,743 | 26.3% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Office | 2021 | 37 | 37 | $18,907 | $4,553 | 24.1% |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | Facility | 2021 | 19 | 63 | $13,608 | $3,658 | 26.9% |
| 95811 | Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube | Facility | 2021 | 31 | 31 | $11,749 | $3,119 | 26.5% |
| 99215 | Established patient outpatient visit, total time 40-54 minutes | Office | 2021 | 18 | 19 | $10,469 | $2,549 | 24.3% |
| 95800 | Study of sleep patterns, including sleep time | Facility | 2021 | 76 | 76 | $9,381 | $2,373 | 25.3% |
| G0399 | Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | Office | 2021 | 16 | 32 | $4,944 | $2,093 | 42.3% |
| 94729 | Measurement of lung diffusing capacity | Office | 2021 | 17 | 17 | $3,094 | $863.94 | 27.9% |
| 94726 | Determination of lung volumes using plethysmography | Office | 2021 | 17 | 17 | $2,839 | $789.48 | 27.8% |
| 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | Office | 2021 | 16 | 16 | $2,784 | $632.16 | 22.7% |
| 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | Facility | 2021 | 36 | 36 | $1,476 | $283.96 | 19.2% |
| 94726 | Determination of lung volumes using plethysmography | Facility | 2021 | 30 | 30 | $1,110 | $274.12 | 24.7% |
| 94729 | Measurement of lung diffusing capacity | Facility | 2021 | 35 | 35 | $945.00 | $238.21 | 25.2% |
| 85018 | Blood count, hemoglobin | Office | 2021 | 17 | 17 | $170.00 | $40.29 | 23.7% |
| 99291 | Critical care delivery critically ill or injured patient, first 30-74 minutes | Facility | 2020 | 70 | 133 | $110,124 | $23,093 | 21.0% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Office | 2020 | 86 | 98 | $31,371 | $8,073 | 25.7% |
| 99205 | New patient office or other outpatient visit, typically 60 minutes | Office | 2020 | 39 | 39 | $23,834 | $5,811 | 24.4% |
| 95811 | Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube | Facility | 2020 | 49 | 52 | $19,552 | $5,201 | 26.6% |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | Facility | 2020 | 18 | 85 | $18,190 | $5,067 | 27.9% |
| 99215 | Established patient office or other outpatient, visit typically 40 minutes | Office | 2020 | 32 | 35 | $15,120 | $3,751 | 24.8% |
About Dr. Stephen Yau, M.D
Dr. Stephen Yau, M.D is a Internal Medicine healthcare provider based in Portland, Oregon. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/18/2011. The National Provider Identifier (NPI) number assigned to this provider is 1154616035.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Stephen Yau, M.D has received a total of $980,262 in payments from pharmaceutical and medical device companies, with $412,917 received in 2024. These payments were reported across 992 transactions from 14 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($852,103).
As a Medicare-enrolled provider, Yau has provided services to 2,077 Medicare beneficiaries, totaling 2,546 services with total Medicare billing of $214,519. Data is available for 4 years (2020–2023), covering 60 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Pulmonary Disease, Critical Care Medicine
- Location Portland, OR
- Active Since 06/18/2011
- Last Updated 08/20/2024
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1154616035
Products in Payments
- DUPIXENT (Biological) $365,293
- NUCALA (Biological) $139,097
- TEZSPIRE (Biological) $138,287
- AREXVY (Drug) $134,696
- BREZTRI (Drug) $77,487
- OFEV (Drug) $27,404
- TRELEGY ELLIPTA (Drug) $10,428
- LifeVest (Device) $355.55
- FASENRA (Drug) $124.93
- XARELTO (Drug) $121.04
- XYREM (Drug) $111.60
- Carnation Ambulatory Monitor (Device) $109.60
- ZERBAXA (Drug) $100.00
- Wakix (Drug) $91.35
- Arikayce (Drug) $16.24
- AIRSUPRA (Drug) $8.68
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Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.
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