Diem-Tran Nguyen, MD
NPI 1215498761 · Allergy & Immunology Physician · Orange, CA
Diem-Tran Nguyen, MD is a Allergy & Immunology Physician provider in Orange, CA (NPI 1215498761).
Provider details
- NPI number
- 1215498761
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A194587 (CA)
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
7 yrs in NPPES registry
- Profile completeness33% of score
100% 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 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)
- One Baylor Plaza, Bcm 320Houston, TX 77030Phone: (832) 824-1170
Registry dates
- Enumerated
- 2019-03-27
- Last updated
- 2024-06-24
- Certified
- 2024-06-24
Frequently asked questions
- What is Diem-Tran Nguyen's NPI number?
- Diem-Tran Nguyen's National Provider Identifier (NPI) is 1215498761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diem-Tran Nguyen's specialty?
- Diem-Tran Nguyen is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Diem-Tran Nguyen located?
- Diem-Tran Nguyen's practice location on file with NPPES is 725 W La Veta Ave Ste 100, Orange, CA 92868-4445.
- What is Diem-Tran Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Diem-Tran Nguyen is (714) 633-6363.
- Is Diem-Tran Nguyen's NPI active?
- Yes — Diem-Tran Nguyen's NPI (1215498761) is active in the NPPES registry as of the last update on 2024-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.