Trung Nguyen, MD
NPI 1235164096 · Family Medicine Physician · Rolling Hills Estates, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trung Nguyen, MD is a Family Medicine Physician provider in Rolling Hills Estates, CA (NPI 1235164096).
Provider details
- NPI number
- 1235164096
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C159386 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 412 | 148 |
| Amlodipine Besylate | 333 | 121 |
| Metformin Hcl | 299 | 100 |
| Levothyroxine Sodium | 273 | 93 |
| Losartan Potassium | 262 | 95 |
| Lisinopril | 182 | 64 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$130 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 (2)
- 17822 Beach BlvdHuntington Beach, CA 92647-7101Phone: (714) 409-3729
- 1001 Capital Funds CtNashville, TN 37217-3937Phone: (615) 361-6713Fax: (615) 361-6713
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2022-11-15
- Certified
- 2022-11-15
Frequently asked questions
- What is Trung Nguyen's NPI number?
- Trung Nguyen's National Provider Identifier (NPI) is 1235164096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trung Nguyen's specialty?
- Trung Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Trung Nguyen located?
- Trung Nguyen's practice location on file with NPPES is 550 Deep Valley Dr Ste 319, Rolling Hills Estates, CA 90274-7604.
- What is Trung Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Trung Nguyen is (310) 544-6858.
- Does Trung Nguyen accept Medicare?
- Trung Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trung Nguyen's NPI active?
- Yes — Trung Nguyen's NPI (1235164096) is active in the NPPES registry as of the last update on 2022-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.