Michael Dao, M.D.
Internal Medicine Physician · Garden Grove, CA
Michael Dao, M.D. is an internal medicine physician with a practice address in Garden Grove, California, and NPI 1437321932, issued on Mar 25, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Dao
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 9191 Westminster Ave, Garden Grove, CA 92844
- Phone
- (714) 899-2000
- Enumerated
- Mar 25, 2008
- Entity
- Type 1 · individual
Also registered at 9191 Westminster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angelline DaoPharmacist1700416674
- Christopher Dinh, D.D.SGeneral Practice Dentistry1699863407
- Helen Do, NURSE PRACTITIONERFamily Nurse Practitioner1386034296
- Jeffrey Ho, D.O.Physical Medicine & Rehabilitation Physician1316986045
- Giap Le, O.D.Optometrist1407046386
- Tuan Le, P.A.Medical Physician Assistant1417210204
Verify Michael Dao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
18.2 times the Medicare Part D claims of the average internal medicine physician in 2024
50,680 Medicare Part D claims for 1,853 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 1,317 claims were for opioids.
Most prescribed
- Atorvastatin Calcium2,477 claims
- Losartan Potassium2,144 claims
- Amlodipine Besylate1,689 claims
- Pantoprazole Sodium1,531 claims
- Montelukast Sodium1,516 claims
- Gabapentin1,291 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $7,580.36
302 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Dao Medical Group IncGarden Grove, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
40 internal medicine physician records list a Garden Grove practice address
They are 40 of the 4,572 NPPES records with a Garden Grove practice address, and 20,403 internal medicine physician records in California.
All 40 in Garden Grove → All 20,403 in California → Every provider in Garden Grove →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Michael Dao, M.D.'s NPI number?
Michael Dao, M.D.'s National Provider Identifier (NPI) is 1437321932, issued on Mar 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Dao, M.D. located?
The NPPES record lists a practice address at 9191 Westminster Ave, Garden Grove, CA, 92844. Phone: (714) 899-2000. Providers update this record themselves, so call before visiting.
How can I verify Michael Dao, M.D.'s license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Dao, M.D. prescribe under Medicare Part D?
In 2024, Michael Dao, M.D. had 50,680 Medicare Part D claims for 1,853 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.