Tuan Duong, PA-C
NPI 1861894370 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tuan Duong, PA-C is a Physician Assistant provider in San Francisco, CA (NPI 1861894370).
Provider details
- NPI number
- 1861894370
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
83% 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 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,012 | 397 |
| Amlodipine Besylate | 747 | 289 |
| Losartan Potassium | 614 | 248 |
| Metformin Hcl | 542 | 213 |
| Omeprazole | 348 | 150 |
| Triamcinolone Acetonide | 285 | 160 |
| Gabapentin | 240 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$108 across 5 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
- 2014-09-16
- Last updated
- 2019-05-10
Frequently asked questions
- What is Tuan Duong's NPI number?
- Tuan Duong's National Provider Identifier (NPI) is 1861894370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tuan Duong's specialty?
- Tuan Duong is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tuan Duong located?
- Tuan Duong's practice location on file with NPPES is 1520 Stockton St, San Francisco, CA 94133-3354.
- What is Tuan Duong's phone number?
- The practice phone number listed in the NPPES registry for Tuan Duong is (408) 251-1410.
- Does Tuan Duong accept Medicare?
- Tuan Duong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tuan Duong's NPI active?
- Yes — Tuan Duong's NPI (1861894370) is active in the NPPES registry as of the last update on 2019-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.