Josiah Nguyen
NPI 1063300788 · Physician Assistant · Reston, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josiah Nguyen is a Physician Assistant provider in Reston, VA (NPI 1063300788).
Provider details
- NPI number
- 1063300788
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-24
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Josiah Nguyen's NPI number?
- Josiah Nguyen's National Provider Identifier (NPI) is 1063300788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josiah Nguyen's specialty?
- Josiah Nguyen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Josiah Nguyen located?
- Josiah Nguyen's practice location on file with NPPES is 11800 Sunrise Valley Dr Ste 700, Reston, VA 20191-5315.
- What is Josiah Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Josiah Nguyen is (703) 834-1473.
- Does Josiah Nguyen accept Medicare?
- Josiah Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josiah Nguyen's NPI active?
- Yes — Josiah Nguyen's NPI (1063300788) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.