TONY YU LEA HSIAO MD
NPI 1952517971
Internal Medicine in Annandale, VA
About Tony Yu Lea Hsiao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TONY YU LEA HSIAO MD (NPI 1952517971) is an individual internal medicine provider in Annandale, Virginia, licensed in Virginia (0101051072) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tony Yu Lea Hsiao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tony Hsiao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Catonsville, MD 21228
- Reassigned Medicare billing, District of Columbia enrollment
- 8 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 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.
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 Tony Hsiao's NPI number?
The NPI number for Tony Hsiao is 1952517971. It was assigned to this individual provider in the NPPES registry on May 15, 2007.
Where is Tony Hsiao located?
Tony Hsiao practices at 7507 Little River Turnpike #103, Annandale, VA 22003. The listed phone number is (703) 256-1335.
What is Tony Hsiao's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tony Hsiao enrolled in Medicare?
Yes. Tony Hsiao is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tony Hsiao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tony Hsiao reassigns Medicare benefits to Bhmat Consulting LLC (Catonsville, MD). 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 Tony Hsiao'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 Tony Hsiao 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.