Aimee Le-Huynh McArthur, DO
Psychiatry Physician · Los Altos, CA
Aimee Le-Huynh McArthur, DO is a psychiatry physician with a practice address in Los Altos, California, and NPI 1194286575, issued on Mar 27, 2019. Check the license (California 20A20019, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aimee Le-Huynh McArthur
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A20019 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4546 EL Camino Real Ste B7, Los Altos, CA 94022
- Phone
- (866) 362-4246
- Enumerated
- Mar 27, 2019
- Record last updated
- Jun 14, 2024
- Medicare enrollment
- Enrolled (PECOS I20230223000675); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 2019
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 4546 EL Camino Real Ste B7
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Burwell, D.O.Psychiatry Physician1174960496
- Victoria Chan, NDNaturopath1669072682
- Howard Fenn, MDPsychiatry Physician1396754743
- Swapnil Khurana, M.D.Psychosomatic Medicine Physician1992052658
- Richard Knowles, M.A.Mental Health Counselor1588914139
- Andrea Lee, NPPsychiatric/Mental Health Nurse Practitioner1700167681
Verify Aimee Le-Huynh McArthur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A20019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
155 Medicare Part D claims for 22 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Bupropion Xl13 claims
- Clonazepam13 claims
- Olanzapine11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Integrative Behavioral Health And Medicine IncPalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aimee Le-Huynh McArthur among 8,673 psychiatry physician records in California
Aimee Le-Huynh McArthur, DO is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2019 · median 2005 among the 3,295 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 psychiatry physician records list a practice address in Los Altos
They are 30 of the 718 NPPES records with a practice address in Los Altos, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Altos → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Burns, M.D.Los Altos Hills, CA 940221083779706
- Joseph Burwell, D.O.Los Altos, CA 940221174960496
- Michael Cochran, M.D.Los Altos, CA 940221265648323
- Howard Fenn, MDLos Altos, CA 940221396754743
- Karla Jurvetson, M.D.Los Altos, CA 940221053752386
- Danielle KamisLos Altos, CA 940221073908042
- Dainius Mulokas, M.D.Los Altos, CA 940221841328713
- Joann Mundin, MD, FRCPC, MSC, DABPLos Altos, CA 940221407357114
Common questions
What is Aimee Le-Huynh McArthur, DO's NPI number?
Aimee Le-Huynh McArthur, DO's National Provider Identifier (NPI) is 1194286575, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Aimee Le-Huynh McArthur, DO located?
The NPPES record lists a practice address at 4546 EL Camino Real Ste B7, Los Altos, CA, 94022. Phone: (866) 362-4246. Providers update this record themselves, so call before visiting.
How can I verify Aimee Le-Huynh McArthur, DO's license?
NPPES lists California license number 20A20019, 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 Aimee Le-Huynh McArthur, DO prescribe under Medicare Part D?
In 2024, Aimee Le-Huynh McArthur, DO had 155 Medicare Part D claims for 22 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Aimee Le-Huynh McArthur, DO's MIPS final score?
The 2023 MIPS final score is 91 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.