Anthony Nguyen, D.O.
NPI 1023487790 · Psychiatry Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Nguyen, D.O. is a Psychiatry Physician provider in Riverside, CA (NPI 1023487790).
Provider details
- NPI number
- 1023487790
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- 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 tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 47 | 15 |
| Hydroxyzine Hcl | 32 | — |
| Buspirone Hcl | 26 | — |
| Quetiapine Fumarate | 26 | — |
| Sertraline Hcl | 25 | 11 |
| Duloxetine Hcl | 24 | — |
| Mirtazapine | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 21015 Pathfinder RdDiamond Bar, CA 91765-4018Phone: (916) 430-6574
Registry dates
- Enumerated
- 2015-09-23
- Last updated
- 2024-07-31
- Certified
- 2024-07-31
Frequently asked questions
- What is Anthony Nguyen's NPI number?
- Anthony Nguyen's National Provider Identifier (NPI) is 1023487790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Nguyen's specialty?
- Anthony Nguyen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Nguyen located?
- Anthony Nguyen's practice location on file with NPPES is 771 W Blaine St # C, Riverside, CA 92507-3940.
- What is Anthony Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Anthony Nguyen is (951) 955-2233.
- Does Anthony Nguyen accept Medicare?
- Anthony Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Nguyen's NPI active?
- Yes — Anthony Nguyen's NPI (1023487790) is active in the NPPES registry as of the last update on 2024-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.