Han Dinh, D.O.
NPI 1891106464 · Psychiatry Physician · Fontana, CA
Han Dinh, D.O. is a Psychiatry Physician provider in Fontana, CA (NPI 1891106464).
Provider details
- NPI number
- 1891106464
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clozapine | 39 |
| Quetiapine Fumarate | 19 |
| Aripiprazole | 19 |
| Hydroxyzine Hcl | 18 |
| Buspirone Hcl | 17 |
| Trazodone Hcl | 15 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 14 |
| Mirtazapine | 14 |
| Olanzapine | 13 |
| Bupropion Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-16
- Last updated
- 2021-12-21
- Certified
- 2021-12-21
Frequently asked questions
- What is Han Dinh's NPI number?
- Han Dinh's National Provider Identifier (NPI) is 1891106464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Han Dinh's specialty?
- Han Dinh is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Han Dinh located?
- Han Dinh's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Han Dinh's phone number?
- The practice phone number listed in the NPPES registry for Han Dinh is (909) 427-5603.
- Is Han Dinh's NPI active?
- Yes — Han Dinh's NPI (1891106464) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.