SOPHIA SIYUN WONG M.D.
NPI 1639468960
Ophthalmology in Bethesda, MD
About Sophia Siyun Wong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOPHIA SIYUN WONG M.D. (NPI 1639468960) is an individual ophthalmology provider in Bethesda, Maryland, licensed in Maryland (D0082359) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2011).
NPPES Registry Identity
Specialties & Licenses 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
Sophia Siyun Wong 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 Reassignments
3Medicare enrollment records show Sophia Wong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20816
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Beacon Retina PC
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 7 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 13
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20816 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHESDA, MD 20816
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 Sophia Wong's NPI number?
The NPI number for Sophia Wong is 1639468960. It was assigned to this individual provider in the NPPES registry on April 7, 2011.
Where is Sophia Wong located?
Sophia Wong practices at 5272 River Rd Ste 100, Bethesda, MD 20816. The listed phone number is (240) 563-9900.
What is Sophia Wong's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Sophia Wong enrolled in Medicare?
Yes. Sophia Wong 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 organizations bill Medicare for Sophia Wong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sophia Wong reassigns Medicare benefits to 3 organizations: Beacon Retina, P.C. (Bethesda, MD), Medical Faculty Associates, Inc (Washington, DC) and Virginia Retina Specialists (Falls Church, VA). Each 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 Sophia Wong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sophia Wong accept?
Health plans from Oscar Health list Sophia Wong 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.
When was this NPI record last updated?
The NPPES record for Sophia Wong was last updated on June 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Sophia Siyun Wong, M.D. · NPI 1639468960
Ophthalmology physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since April 7, 2011.
## Identity
- **NPI:** 1639468960 (Entity type: Individual)
- **Enumerated:** April 7, 2011
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** D0082359 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5272 RIVER RD STE 100, Bethesda, MD 20816-1454
- **Phone:** (240) 563-9900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Beacon Retina, P.C. (NPI 1225842578, Bethesda, MD); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Virginia Retina Specialists (NPI 1770943565, Falls Church, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 2011
## Record status
- **NPPES last updated:** June 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639468960) · Data from the CMS NPPES public registry.