DR. SOPHIA SHIAHUA WONG MD
NPI 1336347202
Internal Medicine in San Francisco, CA
About Dr. Sophia Shiahua Wong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SOPHIA SHIAHUA WONG MD (NPI 1336347202) is an individual internal medicine provider in San Francisco, California, licensed in California (A93141) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Sophia Shiahua Wong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sophia Wong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oakland, CA 94607
- Reassigned Medicare billing, California enrollment
- 130 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94110 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
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 1336347202. It was assigned to this individual provider in the NPPES registry on July 3, 2007.
Where is Sophia Wong located?
Sophia Wong practices at 995 Potrero Ave Positive Health Practice, Bldg. 80, Mailstop 0874, San Francisco, CA 94110. The listed phone number is (415) 476-4082.
What is Sophia Wong's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sophia Wong enrolled in Medicare?
Yes. Sophia Wong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sophia Wong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sophia Wong reassigns Medicare benefits to Asian Health Services (Oakland, CA). 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 Sophia Wong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sophia Wong was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.