Robert Ho-Hoang, MD
NPI 1821165655 · Psychiatry Physician · Bellflower, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Ho-Hoang, MD is a Psychiatry Physician provider in Bellflower, CA (NPI 1821165655).
Provider details
- NPI number
- 1821165655
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A85998 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 132 | 45 |
| Sertraline Hcl | 100 | 35 |
| Trazodone Hcl | 88 | 34 |
| Buspirone Hcl | 75 | 32 |
| Mirtazapine | 74 | 32 |
| Clonazepam | 72 | 16 |
| Quetiapine Fumarate | 65 | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2021-12-01
- Certified
- 2021-12-01
Frequently asked questions
- What is Robert Ho-Hoang's NPI number?
- Robert Ho-Hoang's National Provider Identifier (NPI) is 1821165655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Ho-Hoang's specialty?
- Robert Ho-Hoang is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Ho-Hoang located?
- Robert Ho-Hoang's practice location on file with NPPES is 9400 Rosecrans Ave, Bellflower, CA 90706-2246.
- What is Robert Ho-Hoang's phone number?
- The practice phone number listed in the NPPES registry for Robert Ho-Hoang is (562) 461-3000.
- Does Robert Ho-Hoang accept Medicare?
- Robert Ho-Hoang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Ho-Hoang's NPI active?
- Yes — Robert Ho-Hoang's NPI (1821165655) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.