Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Covered recipient · General Payments record

MICHAEL M DAO

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1437321932
CMS profile
337948
Location
GARDEN GROVE, CA

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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Filter and download payment records

General Payments · PY2021 · Entire year

$6,862.27

337 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

Other CMS categories — not shown on this page

Research Payments

CMS also publishes Research Payments as a separate dataset. This site does not currently mirror it, and no research figure is shown on this page. This provider appears in that dataset.

“If you are a physician who served as a principal investigator on a research study, you may see the payments associated with that research study listed under your name. This does not necessarily mean the payments are attributed to you. The dollar amount of the record corresponds to the total payment; the amounts are not attributed to each individual on the record.”

— Centers for Medicare & Medicaid Services, Open Payments Frequently Asked Questions, FAQ #12224

These records are published by CMS and can be viewed on this provider’s official CMS record. View this provider on CMS Open Payments ↗

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2021 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $6,655.05 332
Education $189.22 4
Gift $18.00 1

By paying entity

PY2021 · entire year · sorted by reported total

Payment records · PY2021

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2021 · Physicians and non-physician practitioners · CMS publication 2026-06-30

337 matching records · $6,862.27 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 337 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 337.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Amarin Pharma Inc. $17.3612/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026815218673 CMS
Biogen, Inc. $14.2512/23/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026827779755 CMS
Amgen Inc. $10.6012/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026825620093 CMS
Clarus Therapeutics Inc. $11.0412/20/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855038693 CMS
Nestle HealthCare Nutrition Inc. $21.4812/17/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026820887141 CMS
Novo Nordisk Inc $19.4612/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026811170737 CMS
Novo Nordisk Inc $24.7512/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026811465811 CMS
Janssen Pharmaceuticals, Inc $12.6812/15/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855639061 CMS
Merck Sharp & Dohme Corporation $15.0512/15/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026848472513 CMS
Takeda Pharmaceuticals U.S.A., Inc. $7.5812/14/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026819905871 CMS
Takeda Pharmaceuticals U.S.A., Inc. $3.4412/14/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026819905875 CMS
Takeda Pharmaceuticals U.S.A., Inc. $26.0012/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026819905869 CMS
AstraZeneca Pharmaceuticals LP $20.9812/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026829783223 CMS
Gilead Sciences, Inc. $28.7112/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026848182863 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.2612/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026850333929 CMS
Bayer HealthCare Pharmaceuticals Inc. $13.8912/06/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026789195825 CMS
Mylan Specialty L.P. $13.4312/06/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026965442689 CMS
PFIZER INC. $3.7412/06/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026833125221 CMS
Bard Peripheral Vascular, Inc. $21.0712/02/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026837248271 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $10.0012/01/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026849942487 CMS
Amgen Inc. $18.0011/30/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026825620117 CMS
Gilead Sciences, Inc. $7.2811/30/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026848182861 CMS
Bayer HealthCare Pharmaceuticals Inc. $8.9811/25/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026789096649 CMS
Genentech USA, Inc. $14.0011/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026835951481 CMS
AstraZeneca Pharmaceuticals LP $11.6511/23/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026829590841 CMS
VIVUS LLC $18.3211/23/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026814343371 CMS
Bayer HealthCare Pharmaceuticals Inc. $12.3911/20/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026789196217 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $13.7511/19/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026763415464 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $33.1811/19/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026763415466 CMS
Bayer HealthCare Pharmaceuticals Inc. $120.8611/18/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026789044921 CMS
AbbVie Inc. $16.7611/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026794327005 CMS
AbbVie Inc. $108.2311/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026794327007 CMS
Amgen Inc. $21.5411/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026825620113 CMS
Horizon Therapeutics plc $6.0511/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026797106565 CMS
Novo Nordisk Inc $15.0211/15/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026811465805 CMS
Radius Health, Inc. $24.0411/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026830731417 CMS
AstraZeneca Pharmaceuticals LP $18.8311/12/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026830007801 CMS
AstraZeneca Pharmaceuticals LP $17.0411/10/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026829389355 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $12.8111/10/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026850227741 CMS
SANOFI-AVENTIS U.S. LLC $22.7511/09/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026843468155 CMS
Bayer HealthCare Pharmaceuticals Inc. $9.5911/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026789097289 CMS
IBSA Pharma Inc. $18.7211/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026792503699 CMS
Dynavax Technologies Corporation $18.3511/05/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026800992749 CMS
Amgen Inc. $11.7411/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026825620109 CMS
Bayer HealthCare Pharmaceuticals Inc. $5.6011/01/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026789066201 CMS
AbbVie Inc. $13.7510/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026794327003 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.7210/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026763415468 CMS
Novo Nordisk Inc $17.7310/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026811170729 CMS
Genentech USA, Inc. $18.9810/28/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026835951479 CMS
AbbVie Inc. $26.0110/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026794327001 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $10,431.84 316
PY2020 $7,527.22 245
PY2021 $6,862.27 337
PY2022 $6,263.60 258
PY2023 $6,441.40 281
PY2024 $7,580.36 302
PY2025 $10,507.47 306

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files and profile matching
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.

Cite this record.

Plain
MICHAEL M DAO, NPI 1437321932. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1437321932.
APA 7
IndustryPayments. (2026). MICHAEL M DAO, NPI 1437321932 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1437321932
Bluebook
MICHAEL M DAO, NPI 1437321932, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1437321932.

Source: Centers for Medicare & Medicaid Services, Open Payments.