Vivian Hwang, MD
NPI 1356392591 · Emergency Medicine Physician · Falls Church, VA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Hwang, MD is a Emergency Medicine Physician provider in Falls Church, VA (NPI 1356392591).
Provider details
- NPI number
- 1356392591
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101235977 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2006-05-12
- Last updated
- 2007-07-17
Frequently asked questions
- What is Vivian Hwang's NPI number?
- Vivian Hwang's National Provider Identifier (NPI) is 1356392591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Hwang's specialty?
- Vivian Hwang is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Hwang located?
- Vivian Hwang's practice location on file with NPPES is 3300 Gallows Rd, Falls Church, VA 22042-3307.
- What is Vivian Hwang's phone number?
- The practice phone number listed in the NPPES registry for Vivian Hwang is (703) 776-3111.
- Does Vivian Hwang accept Medicare?
- Vivian Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Hwang's NPI active?
- Yes — Vivian Hwang's NPI (1356392591) is active in the NPPES registry as of the last update on 2007-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.