William Tsai, MD
NPI 1568480796 · Pediatric Emergency Medicine (Emergency Medicine) Physician · Charlotte, NC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tsai, MD is a Pediatric Emergency Medicine (Emergency Medicine) Physician provider in Charlotte, NC (NPI 1568480796).
Provider details
- NPI number
- 1568480796
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Emergency Medicine Physician207P00000X
Allopathic & Osteopathic Physicians
- Diagnostic Ultrasound Physician2085U0001X
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
83% 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
- 2006-07-17
- Last updated
- 2007-12-06
Frequently asked questions
- What is William Tsai's NPI number?
- William Tsai's National Provider Identifier (NPI) is 1568480796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tsai's specialty?
- William Tsai is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is William Tsai located?
- William Tsai's practice location on file with NPPES is 1000 Blythe Blvd, Charlotte, NC 28203-5812.
- What is William Tsai's phone number?
- The practice phone number listed in the NPPES registry for William Tsai is (704) 355-3181.
- Does William Tsai accept Medicare?
- William Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tsai's NPI active?
- Yes — William Tsai's NPI (1568480796) is active in the NPPES registry as of the last update on 2007-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.