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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General Payments · PY2024 · Entire year

$7,580.36

302 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

PY2024 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $7,545.36 301
Education $35.00 1

By paying entity

PY2024 · entire year · sorted by reported total

Paying entityAmountRecords
AstraZeneca Pharmaceuticals LP $999.06 23
Amgen Inc. $649.22 23
ABBVIE INC. $588.63 32
Phathom Pharmaceuticals, Inc. $539.35 22
Gilead Sciences, Inc. $494.67 11
Madrigal Pharmaceuticals $290.60 8
Boehringer Ingelheim Pharmaceuticals, Inc. $288.29 8
Almatica Pharma LLC $270.04 12
AIMMUNE THERAPEUTICS, INC. $260.99 13
Novartis Pharmaceuticals Corporation $253.59 26
Neurocrine Biosciences, Inc. $240.38 5
Bayer Healthcare Pharmaceuticals Inc. $191.55 16
Salix Pharmaceuticals, a division of Bausch Health US, LLC $173.27 12
Ardelyx, Inc. $165.10 8
SCILEX PHARMACEUTICALS INC. $159.58 2
GENZYME CORPORATION $158.78 5
Lilly USA, LLC $157.35 8
Agios Pharmaceuticals, Inc. $143.97 2
VIVUS LLC $140.71 6
Mylan Specialty L.P. $133.64 6
Vanda Pharmaceuticals Inc. $125.00 1
PFIZER INC. $103.03 9
GlaxoSmithKline, LLC. $102.25 4
Astellas Pharma US Inc $99.35 4
IRONWOOD PHARMACEUTICALS, INC $93.56 4
Dexcom, Inc. $83.46 4
CeQur Corporation $64.01 1
Corcept Therapeutics $63.42 2
Eisai Inc. $51.74 2
Kowa Pharmaceuticals America, Inc. $46.69 2
Biogen, Inc. $45.94 2
UCB, Inc. $44.61 2
Abbott Laboratories $44.10 2
Otsuka America Pharmaceutical, Inc. $43.22 2
Sumitomo Pharma America, Inc. $42.65 2
Merck Sharp & Dohme LLC $37.29 2
Oyster Point Pharma, Inc. $27.18 1
Baxter Healthcare $24.93 1
Janssen Pharmaceuticals, Inc $24.93 1
Arcutis Biotherapeutics, Inc. $22.50 1
Lundbeck LLC $22.27 1
Radius Health, Inc. $19.21 1
IBSA Pharma Inc. $17.75 1
Xeris Pharmaceuticals, Inc. $16.87 1
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) $15.63 1

Page 1 of 7; records 1–50 of 302 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

MICHAEL M DAO

NPI 1437321932 · CMS profile ID 337948

Allopathic & Osteopathic Physicians / Internal Medicine

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.

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.

General Payments, PY2024; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 1 of 7; records 1–50 of 302 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1437321932?year=2024&recipient=provider#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
MICHAEL M DAO, NPI 1437321932, CMS profile ID 337948. General Payments, PY2024; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 7; records 1–50 of 302 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1437321932?year=2024&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff.
APA 7
IndustryPayments. (2026). MICHAEL M DAO, NPI 1437321932, CMS profile ID 337948. General Payments, PY2024; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 7; records 1–50 of 302 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1437321932?year=2024&recipient=provider#records-h. Source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff.
Bluebook
MICHAEL M DAO, NPI 1437321932, CMS profile ID 337948, IndustryPayments, General Payments, PY2024; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 1 of 7; records 1–50 of 302 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff. https://industrypayments.org/provider/npi-1437321932?year=2024&recipient=provider#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2024

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

General Payments · PY2024 · Physicians and non-physician practitioners · CMS publication 2026-06-30

302 matching records · $7,580.36 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 302 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 302.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
AIMMUNE THERAPEUTICS, INC. $28.7012/28/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1146990417 CMS
Abbott Laboratories $23.1712/26/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1125065537 CMS
Eisai Inc. $26.7712/23/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1110765609 CMS
AIMMUNE THERAPEUTICS, INC. $26.2012/20/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1146990786 CMS
Phathom Pharmaceuticals, Inc. $23.2912/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1151053675 CMS
AstraZeneca Pharmaceuticals LP $13.8612/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1104286268 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $12.1412/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1153533146 CMS
Ardelyx, Inc. $6.9012/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1146677212 CMS
Astellas Pharma US Inc $29.6912/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1139447476 CMS
Gilead Sciences, Inc. $25.8812/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1133768023 CMS
ABBVIE INC. $1.2712/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1103600602 CMS
ABBVIE INC. $11.8812/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1103600604 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.3012/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1118008753 CMS
Amgen Inc. $21.0012/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1115551260 CMS
AIMMUNE THERAPEUTICS, INC. $13.7412/11/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1147004778 CMS
GENZYME CORPORATION $19.9012/11/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1139627938 CMS
Kowa Pharmaceuticals America, Inc. $24.6712/09/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1113465321 CMS
SCILEX PHARMACEUTICALS INC. $136.0312/06/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1136288706 CMS
Ardelyx, Inc. $24.3512/05/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1146677210 CMS
AstraZeneca Pharmaceuticals LP $17.4312/05/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1104215801 CMS
Amgen Inc. $125.8712/04/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1117233457 CMS
Novartis Pharmaceuticals Corporation $17.9312/03/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1086906263 CMS
VIVUS LLC $23.7712/03/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1129415358 CMS
Almatica Pharma LLC $23.7112/02/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1137561012 CMS
Dexcom, Inc. $17.7911/27/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1153321990 CMS
AIMMUNE THERAPEUTICS, INC. $26.7711/26/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1146991848 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.0011/26/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1086242708 CMS
Phathom Pharmaceuticals, Inc. $23.0411/26/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1151053673 CMS
AIMMUNE THERAPEUTICS, INC. $9.4911/25/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1147004502 CMS
Bayer Healthcare Pharmaceuticals Inc. $11.7111/22/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1086089277 CMS
Agios Pharmaceuticals, Inc. $135.7111/21/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149642756 CMS
Amgen Inc. $7.1011/20/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1117233455 CMS
Biogen, Inc. $23.4211/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1104874188 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.6311/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1153567970 CMS
Merck Sharp & Dohme LLC $17.6211/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1141823911 CMS
Madrigal Pharmaceuticals $22.8011/16/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1144164181 CMS
ABBVIE INC. $8.4911/15/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1103600600 CMS
AstraZeneca Pharmaceuticals LP $15.6911/15/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1105603566 CMS
Madrigal Pharmaceuticals $8.2511/15/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1144164179 CMS
AstraZeneca Pharmaceuticals LP $118.8111/14/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1105851720 CMS
ABBVIE INC. $24.0011/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1103600598 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $32.2811/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1118008761 CMS
Phathom Pharmaceuticals, Inc. $7.4311/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1151053671 CMS
ABBVIE INC. $21.0711/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1103600596 CMS
Amgen Inc. $13.0011/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1115551249 CMS
IRONWOOD PHARMACEUTICALS, INC $24.3411/11/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1153738543 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.2911/08/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1118008759 CMS
Madrigal Pharmaceuticals $29.2911/08/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1144164177 CMS
ABBVIE INC. $2.7911/06/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1103600594 CMS
Ardelyx, Inc. $21.7511/06/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1146677208 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.