Hau Do, MD
Family Medicine Physician · Costa Mesa, CA
Hau Do, MD is a family medicine physician with a practice address in Costa Mesa, California, and NPI 1508209164, issued on Apr 14, 2013. Check the license (California A135184, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hau Do
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A135184 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1190 Baker St Ste 100, Costa Mesa, CA 92626
- Phone
- (714) 668-2500
- Enumerated
- Apr 14, 2013
- Record last updated
- Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151110002974); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2013
- Entity
- Type 1 · individual
Also registered at 1190 Baker St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Jeon, MDFamily Medicine Physician1275094872
- Trucvy Le, M.D.Family Medicine Physician1427462159
- Mandy NguyenFamily Medicine Physician1548849979
Verify Hau Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A135184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average family medicine physician in 2024
5,133 Medicare Part D claims for 547 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 99 claims were for opioids.
Most prescribed
- Atorvastatin Calcium609 claims
- Losartan Potassium227 claims
- Levothyroxine Sodium209 claims
- Amlodipine Besylate191 claims
- Lisinopril186 claims
- Trazodone Hcl148 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupHuntington Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
56 family medicine physician records list a practice address in Costa Mesa
They are 56 of the 4,286 NPPES records with a practice address in Costa Mesa, and 17,133 family medicine physician records in California.
All 56 in Costa Mesa → All 17,133 in California → Every provider in Costa Mesa →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Hau Do, MD's NPI number?
Hau Do, MD's National Provider Identifier (NPI) is 1508209164, issued on Apr 14, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Hau Do, MD located?
The NPPES record lists a practice address at 1190 Baker St Ste 100, Costa Mesa, CA, 92626. Phone: (714) 668-2500. Providers update this record themselves, so call before visiting.
How can I verify Hau Do, MD's license?
NPPES lists California license number A135184, as entered by the provider. 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 Hau Do, MD prescribe under Medicare Part D?
In 2024, Hau Do, MD had 5,133 Medicare Part D claims for 547 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.