James Tsai, M.D.
NPI 1275735607 · Anesthesiology Physician · Mc Lean, VA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Tsai, M.D. is a Anesthesiology Physician provider in Mc Lean, VA (NPI 1275735607).
Provider details
- NPI number
- 1275735607
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D72358 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-05
- Last updated
- 2021-06-28
- Certified
- 2021-06-28
Frequently asked questions
- What is James Tsai's NPI number?
- James Tsai's National Provider Identifier (NPI) is 1275735607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Tsai's specialty?
- James Tsai is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is James Tsai located?
- James Tsai's practice location on file with NPPES is 8008 Westpark Dr, Mc Lean, VA 22102-3109.
- What is James Tsai's phone number?
- The practice phone number listed in the NPPES registry for James Tsai is (703) 287-6400.
- Does James Tsai accept Medicare?
- James Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Tsai's NPI active?
- Yes — James Tsai's NPI (1275735607) is active in the NPPES registry as of the last update on 2021-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.