Tu-Lan Nguyen, MD
NPI 1639319205 · Psychiatry Physician · Houston, TX
Tu-Lan Nguyen, MD is a Psychiatry Physician provider in Houston, TX (NPI 1639319205).
Provider details
- NPI number
- 1639319205
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- N1403 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 36 |
| Alprazolam | 32 |
| Duloxetine Hcl | 29 |
| Escitalopram Oxalate | 22 |
| Risperidone | 20 |
| Lorazepam | 18 |
| Desvenlafaxine Succinatebrand: Desvenlafaxine Succinate Er | 17 |
| Clonazepam | 16 |
| Dextroamphetamine/Amphetamine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,396 across 70 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
Registry dates
- Enumerated
- 2009-02-23
- Last updated
- 2009-02-23
Frequently asked questions
- What is Tu-Lan Nguyen's NPI number?
- Tu-Lan Nguyen's National Provider Identifier (NPI) is 1639319205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tu-Lan Nguyen's specialty?
- Tu-Lan Nguyen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Tu-Lan Nguyen located?
- Tu-Lan Nguyen's practice location on file with NPPES is 1300 Moursund St, Houston, TX 77030-3406.
- What is Tu-Lan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tu-Lan Nguyen is (713) 500-2700.
- Is Tu-Lan Nguyen's NPI active?
- Yes — Tu-Lan Nguyen's NPI (1639319205) is active in the NPPES registry as of the last update on 2009-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.