Nam Nguyen, D.O
NPI 1043442932 · Psychiatry Physician · Renton, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nam Nguyen, D.O is a Psychiatry Physician provider in Renton, WA (NPI 1043442932).
Provider details
- NPI number
- 1043442932
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- OP60450893 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
95 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $116 |
Typical Medicare-allowed amounts for these services range $116–$116 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 97 | 27 |
| Bupropion Hclbrand: Bupropion Xl | 88 | 22 |
| Trazodone Hcl | 59 | 18 |
| Quetiapine Fumarate | 57 | 12 |
| Buspirone Hcl | 55 | 16 |
| Alprazolam | 44 | 12 |
| Duloxetine Hcl | 44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-11
- Last updated
- 2018-02-05
Frequently asked questions
- What is Nam Nguyen's NPI number?
- Nam Nguyen's National Provider Identifier (NPI) is 1043442932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nam Nguyen's specialty?
- Nam Nguyen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nam Nguyen located?
- Nam Nguyen's practice location on file with NPPES is 4445 Talbot Rd S, Renton, WA 98055-6219.
- What is Nam Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Nam Nguyen is (425) 656-4055.
- Does Nam Nguyen accept Medicare?
- Nam Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nam Nguyen's NPI active?
- Yes — Nam Nguyen's NPI (1043442932) is active in the NPPES registry as of the last update on 2018-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.