Phu Truong, MD
NPI 1477603272 · Internal Medicine Physician · Napa, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phu Truong, MD is a Internal Medicine Physician provider in Napa, CA (NPI 1477603272).
Provider details
- NPI number
- 1477603272
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A86105 (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
19 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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 550 | 192 |
| Lisinopril | 269 | 87 |
| Levothyroxine Sodium | 207 | 61 |
| Losartan Potassium | 190 | 69 |
| Fluticasone Propionate | 157 | 59 |
| Amlodipine Besylate | 153 | 62 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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
- 2007-01-12
- Last updated
- 2021-12-08
Frequently asked questions
- What is Phu Truong's NPI number?
- Phu Truong's National Provider Identifier (NPI) is 1477603272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phu Truong's specialty?
- Phu Truong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phu Truong located?
- Phu Truong's practice location on file with NPPES is 3285 Claremont Way, Napa, CA 94558-3313.
- What is Phu Truong's phone number?
- The practice phone number listed in the NPPES registry for Phu Truong is (707) 258-2500.
- Does Phu Truong accept Medicare?
- Phu Truong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phu Truong's NPI active?
- Yes — Phu Truong's NPI (1477603272) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.