Benjamin Truong, MD
NPI 1801891452 · Primary Care Clinic/Center · Rosemead, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Truong, MD is a Primary Care Clinic/Center provider in Rosemead, CA (NPI 1801891452).
Provider details
- NPI number
- 1801891452
- Entity type
- Individual
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A48412 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
12 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 12 | $99 |
Typical Medicare-allowed amounts for these services range $99–$99 (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 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 109 | 46 |
| Amlodipine Besylate | 102 | 54 |
| Gabapentin | 68 | 38 |
| Simvastatin | 60 | 33 |
| Atorvastatin Calcium | 56 | 25 |
| Alendronate Sodium | 55 | 22 |
| Metoprolol Succinate | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$450 across 11 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
- 2005-06-19
- Last updated
- 2016-06-01
Frequently asked questions
- What is Benjamin Truong's NPI number?
- Benjamin Truong's National Provider Identifier (NPI) is 1801891452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Truong's specialty?
- Benjamin Truong is listed in the NPPES registry with a primary specialty of Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Benjamin Truong located?
- Benjamin Truong's practice location on file with NPPES is 9014 Garvey Ave, Rosemead, CA 91770-5306.
- What is Benjamin Truong's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Truong is (626) 572-3955.
- Does Benjamin Truong accept Medicare?
- Benjamin Truong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Truong's NPI active?
- Yes — Benjamin Truong's NPI (1801891452) is active in the NPPES registry as of the last update on 2016-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.