Tien DO, MS
NPI 1891997623 · Student in an Organized Health Care Education/Training Program · Boston, MA
Tien DO, MS is a Student in an Organized Health Care Education/Training Program provider in Boston, MA (NPI 1891997623).
Provider details
- NPI number
- 1891997623
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MS
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
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
- 2007-06-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Tien DO's NPI number?
- Tien DO's National Provider Identifier (NPI) is 1891997623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tien DO's specialty?
- Tien DO is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Tien DO located?
- Tien DO's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Tien DO's phone number?
- The practice phone number listed in the NPPES registry for Tien DO is (617) 726-3647.
- Is Tien DO's NPI active?
- Yes — Tien DO's NPI (1891997623) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.