Duong Vien Ho-Hoang, D.O., M.ED.
Child & Adolescent Psychiatry Physician · Downey, CA
Duong Vien Ho-Hoang, D.O., M.ED. is a child & adolescent psychiatry physician with a practice address in Downey, California, and NPI 1922364009, issued on Apr 3, 2012. Check the license (California 20A13202, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Duong Vien Ho-Hoang
- Credential
- D.O., M.ED.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 20A13202 CA
Self-reported in NPPES; status is on the state search - Practice location
- Kaiser Permanente, Downey, CA 90242
- Phone
- (562) 807-6200
- Enumerated
- Apr 3, 2012
- Record last updated
- Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Verify Duong Vien Ho-Hoang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
519 Medicare Part D claims for 101 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl56 claims
- Trazodone Hcl45 claims
- Quetiapine Fumarate33 claims
- Olanzapine32 claims
- Lorazepam31 claims
- Escitalopram Oxalate30 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.
Duong Vien Ho-Hoang among 1,009 child & adolescent psychiatry physician records in California
Duong Vien Ho-Hoang, D.O., M.ED. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 77% of them.
- NPI issued2012 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Downey → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Joseph Marquez, D.O.Downey, CA 902421902989528
- Elias Rodriguez, MEDICAL DOCTORDowney, CA 902421972684744
- Wagdan Magharious, M.D.Downey, CA 902411578510228
- Adeshewa Adekunbi, MDGardena, CA 902481083134829
- Dawn Brown, M.D.Gardena, CA 902481740481118
- Ronald St. Hill, MDGardena, CA 902481316032147
- Vashaun Williams, M.D.Gardena, CA 902481730286527
- Hadijat Audu, MDHuntington Park, CA 902551013544790
Common questions
What is Duong Vien Ho-Hoang, D.O., M.ED.'s NPI number?
Duong Vien Ho-Hoang, D.O., M.ED.'s National Provider Identifier (NPI) is 1922364009, issued on Apr 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Duong Vien Ho-Hoang, D.O., M.ED. located?
The NPPES record lists a practice address at Kaiser Permanente, Downey, CA, 90242. Phone: (562) 807-6200. Providers update this record themselves, so call before visiting.
How can I verify Duong Vien Ho-Hoang, D.O., M.ED.'s license?
NPPES lists California license number 20A13202, 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 Duong Vien Ho-Hoang, D.O., M.ED. prescribe under Medicare Part D?
In 2024, Duong Vien Ho-Hoang, D.O., M.ED. had 519 Medicare Part D claims for 101 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.