So-Fai Tsang, M.D.
NPI 1871547547 · Internal Medicine Physician · Burlington, MA
So-Fai Tsang, M.D. is a Internal Medicine Physician provider in Burlington, MA (NPI 1871547547).
Provider details
- NPI number
- 1871547547
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 59882 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-19
- Last updated
- 2013-04-23
Frequently asked questions
- What is So-Fai Tsang's NPI number?
- So-Fai Tsang's National Provider Identifier (NPI) is 1871547547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is So-Fai Tsang's specialty?
- So-Fai Tsang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is So-Fai Tsang located?
- So-Fai Tsang's practice location on file with NPPES is 41 Mall Rd, Burlington, MA 01805-0001.
- What is So-Fai Tsang's phone number?
- The practice phone number listed in the NPPES registry for So-Fai Tsang is (781) 744-8000.
- Is So-Fai Tsang's NPI active?
- Yes — So-Fai Tsang's NPI (1871547547) is active in the NPPES registry as of the last update on 2013-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.