Robert Dinh Ho-Hoang, MD
Psychiatry Physician · Bellflower, CA
Robert Dinh Ho-Hoang, MD is a psychiatry physician with a practice address in Bellflower, California, and NPI 1821165655, issued on Nov 29, 2006. Check the license (California A85998, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Dinh Ho-Hoang
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A85998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9400 Rosecrans Ave, Bellflower, CA 90706
- Phone
- (562) 461-3000
- Enumerated
- Nov 29, 2006
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071022000313); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 9400 Rosecrans Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Basil Abdelkarim, MDInternal Medicine Physician1003968454
- Le Marie Abellon, NPNurse Practitioner1144389867
- Adrian Acevedo, MDEmergency Medicine Physician1407923303
- Pravin Acharya, MDEmergency Medicine Physician1104993088
- Michele Afshar, PAPhysician Assistant1013065952
- Maria Agbing-Mamangun, MDPsychiatry Physician1063589984
Verify Robert Dinh Ho-Hoang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A85998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average psychiatry physician in 2024
1,418 Medicare Part D claims for 267 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Lorazepam132 claims
- Sertraline Hcl100 claims
- Trazodone Hcl88 claims
- Buspirone Hcl75 claims
- Mirtazapine74 claims
- Clonazepam72 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 GroupNorwalk, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Dinh Ho-Hoang among 8,673 psychiatry physician records in California
Robert Dinh Ho-Hoang, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2002 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Bellflower → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Maria Agbing-Mamangun, MDBellflower, CA 907061063589984
- Mercy Garcia, MDBellflower, CA 907061982752812
- David Kliger, MDBellflower, CA 907061588735526
- Michael Landau, MDBellflower, CA 907061932257748
- Kei-Chuen Lau, MDBellflower, CA 907061154337319
- Kimbley Lau, DOBellflower, CA 907061629505045
- Paul Riskin, M.D.Bellflower, CA 907061518059773
- Andrew Sassani, M.D.Bellflower, CA 907061346370582
Common questions
What is Robert Dinh Ho-Hoang, MD's NPI number?
Robert Dinh Ho-Hoang, MD's National Provider Identifier (NPI) is 1821165655, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Dinh Ho-Hoang, MD located?
The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.
How can I verify Robert Dinh Ho-Hoang, MD's license?
NPPES lists California license number A85998, 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 Robert Dinh Ho-Hoang, MD prescribe under Medicare Part D?
In 2024, Robert Dinh Ho-Hoang, MD had 1,418 Medicare Part D claims for 267 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.