John Xin
NPI 1548762339 · Clinical Laboratory Director (Non-physician) · Boston, MA
John Xin is a Clinical Laboratory Director (Non-physician) provider in Boston, MA (NPI 1548762339).
Provider details
- NPI number
- 1548762339
- Entity type
- Individual
- Primary specialty
- Clinical Laboratory Director (Non-physician)Technologists, Technicians & Other Technical Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-03-07
- Last updated
- 2018-09-02
Frequently asked questions
- What is John Xin's NPI number?
- John Xin's National Provider Identifier (NPI) is 1548762339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Xin's specialty?
- John Xin is listed in the NPPES registry with a primary specialty of Clinical Laboratory Director (Non-physician) (Technologists, Technicians & Other Technical Service Providers).
- Where is John Xin located?
- John Xin's practice location on file with NPPES is 800 Washington St, Boston, MA 02111.
- What is John Xin's phone number?
- The practice phone number listed in the NPPES registry for John Xin is (617) 636-2922.
- Is John Xin's NPI active?
- Yes — John Xin's NPI (1548762339) is active in the NPPES registry as of the last update on 2018-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.