EMILY NGAN M.D.
NPI 1619409422
Obstetrics & Gynecology in Annandale, VA
About Emily Ngan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EMILY NGAN M.D. (NPI 1619409422) is an individual obstetrics & gynecology provider in Annandale, Virginia, licensed in Virginia (0101271972) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Emily Ngan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Emily Ngan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANNANDALE, VA 22003
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Emily Ngan's NPI number?
The NPI number for Emily Ngan is 1619409422. It was assigned to this individual provider in the NPPES registry on March 30, 2017.
Where is Emily Ngan located?
Emily Ngan practices at 3299 Woodburn Rd Ste 350, Annandale, VA 22003. The listed phone number is (703) 260-1179.
What is Emily Ngan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Emily Ngan enrolled in Medicare?
Yes. Emily Ngan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Emily Ngan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Emily Ngan reassigns Medicare benefits to Inova Health Care Services (Falls Church, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Emily Ngan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Emily Ngan accept?
Health plans from Oscar Health list Emily Ngan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Emily Ngan affiliated with any hospitals?
According to CMS data, Emily Ngan is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Emily Ngan was last updated on September 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.