Amy Thu Bui, M.D.
Specialist · Mission Viejo, CA
Amy Thu Bui, M.D. is a specialist with a practice address in Mission Viejo, California, and NPI 1013027838, issued on Aug 30, 2006. Check the license (California A82140, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy Thu Bui
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A82140 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26800 Crown Valley Pkwy, Mission Viejo, CA 92691
- Phone
- (949) 542-8004
- Enumerated
- Aug 30, 2006
- Record last updated
- Oct 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 364-3682
- Medicare enrollment
- Enrolled (PECOS I20061101000569); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 26800 Crown Valley Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Altamira, ACNPAcute Care Nurse Practitioner1205815248
- Habib Azad, M.D.Nephrology Physician1114962610
- Bahman Badie, M.D.Internal Medicine Physician1396721916
- Mehrnaz Badie, M.D.Internal Medicine Physician1831212885
Verify Amy Thu Bui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A82140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average specialist in 2024
2,201 Medicare Part D claims for 251 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Levothyroxine Sodium298 claims
- Mounjaro163 claims
- Synthroid145 claims
- Alendronate Sodium119 claims
- Metformin Hcl Er106 claims
- Atorvastatin Calcium90 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: $1,299.85
62 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
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Common questions
What is Amy Thu Bui, M.D.'s NPI number?
Amy Thu Bui, M.D.'s National Provider Identifier (NPI) is 1013027838, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amy Thu Bui, M.D. located?
The NPPES record lists a practice address at 26800 Crown Valley Pkwy, Mission Viejo, CA, 92691. Phone: (949) 542-8004. Providers update this record themselves, so call before visiting.
How can I verify Amy Thu Bui, M.D.'s license?
NPPES lists California license number A82140, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Amy Thu Bui, M.D. prescribe under Medicare Part D?
In 2024, Amy Thu Bui, M.D. had 2,201 Medicare Part D claims for 251 beneficiaries; the average among specialist prescribers was 1,380. 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.