Emerg Med Clin North Am
BronchiolitisBronchodilator AgentsPediatric Emergency Medicine
Dr. Vivian Hwang, MD
NPI1356392591
- Medicare services, 2020
- 105
- Publications
- 3
- Hospital affiliations
- 1
- Industry payments
- $11
- Medical groups
- 2
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Dr. Hwang's professional email, personal email and mobile number
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Dr. Vivian Hwang is an emergency medicine physician in Falls Church, Virginia
Dr. Hwang practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Hwang's NPI, 1356392591, was assigned on May 12, 2006. Dr. Hwang holds Virginia license 0101235977.
NPI and contact details
- NPI
- 1356392591NPI Registry (opens in a new tab)
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Vivian Hwang practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Hwang's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Vivian Hwang is affiliated with 1 site of care and 2 medical groups
Dr. Hwang's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. The medical group on file is Inova Urgent Care Center. Dmand AI also links Dr. Hwang to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Vivian Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vivian Hwang is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hwang is licensed in Virginia.
Specialties and state licenses
- Emergency medicine, VirginiaPrimary
Emergency medicine physicians near Dr. Hwang
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Vivian Hwang billed Medicare for 105 services in 2020
CMS data shows 105 Medicare services from Dr. Hwang across 4 procedure codes in 2020. Medicare paid $12,530 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2020105
Paid by Medicare$12,530
Procedure codes4
Dr. Hwang's Medicare services by type, 2020
- Office and hospital visits77
- Tests and treatments28
Dr. Hwang compared with the Virginia median for emergency medicine physicians, 2020
- Dr. Hwang
- Virginia median
- Medicare services
- 105vs 31166% below
Medians across 1,632 emergency medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Hwang's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hwang and other emergency medicine physicians in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vivian Hwang's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Hwang's median patient age at 7, with 44% women.
Dr. Hwang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
For MedTech and pharma teams
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Dr. Vivian Hwang has 3 publications on record
Dmand AI links 3 papers to Dr. Hwang in 2018. The most frequent topics are Emergency Service, Hospital. Dr. Hwang's most frequent co-authors are Megan Anton, DO, Suchitra K. Hourigan, BMBCH and Maybelle Kou, MD.
Papers3
Topics Dr. Hwang writes about most
- Emergency Service, Hospital
Dr. Hwang's most frequent co-authors
- Megan Anton, DO1 shared paper
- Suchitra K. Hourigan, BMBCH1 shared paper
- Maybelle Kou, MD1 shared paper
Recent publications by Dr. Hwang
J Trauma Acute Care Surg
Athletic InjuriesBasketballBrain Concussion
Pediatr Emerg Care
Emergency Service, HospitalMedicaid
See who Dr. Hwang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hwang works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Vivian Hwang received $11 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Hwang from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $11.
Companies that paid Dr. Hwang the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Vivian Hwang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Vivian Hwang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Vivian Hwang's NPI number?
Dr. Vivian Hwang's NPI number is 1356392591. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Vivian Hwang?
Dr. Vivian Hwang is an emergency medicine physician in Falls Church, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Vivian Hwang practice?
Dr. Hwang practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Hwang's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dmand AI also links Dr. Hwang to 1 medical group.
What is Dr. Vivian Hwang's office phone number?
The practice phone on file for Dr. Hwang is (703) 698-3659.
What is Dr. Vivian Hwang's medical license number?
Dr. Hwang holds Virginia license 0101235977.
What medical group is Dr. Vivian Hwang part of?
Dr. Hwang is linked to Inova Urgent Care Center. Dmand AI links Dr. Hwang to 1 more medical group.
Does Dr. Vivian Hwang accept Medicare?
Yes. CMS data shows Dr. Hwang billed Medicare for 105 services in 2020.
What services does Dr. Vivian Hwang bill to Medicare?
In 2020, Dr. Hwang's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Has Dr. Vivian Hwang received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Dr. Hwang from 1 company from 2016 to 2016. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Vivian Hwang been practicing?
Dr. Hwang's NPI was assigned in 2006.
Does Dr. Vivian Hwang do research?
Dmand AI links 3 publications to Dr. Hwang.
Who does Dr. Vivian Hwang publish with?
Dr. Hwang's most frequent co-authors are Megan Anton, DO (1 shared paper), Suchitra K. Hourigan, BMBCH (1 shared paper) and Maybelle Kou, MD (1 shared paper).
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