Physician Profile
John T Tsai, M.D.
Unclaimed ProfileAbout Dr. Tsai
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (703) 391-0900
- Email not available
Practice Locations
3650 JOSEPH SIEWICK DR SUITE 101
Fairfax, VA 22033
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Dr. Tsai specialize in?
Dr. Tsai is a pediatrician in Fairfax, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Pediatrics — Adolescent Medicine”.
NPI registry
Where is Dr. Tsai located?
Dr. Tsai is listed at 3650 JOSEPH SIEWICK DR SUITE 101, Fairfax, VA 22033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tsai's phone number?
The number on file is (703) 391-0900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tsai's NPI number?
Dr. Tsai's National Provider Identifier is 1376527366. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Tsai been practicing?
Dr. Tsai has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Tsai confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tsai. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.