IndividualActive
Alexander Tang, MD
NPI 1821652520 · Pediatrics Physician · Boston, MA
Alexander Tang, MD is a Pediatrics Physician provider in Boston, MA (NPI 1821652520).
Provider details
- NPI number
- 1821652520
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1014701 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
Street-level locationGet directions
Mailing address
300 Longwood Ave
Boston, MA 02115-5724
Additional practice locations (2)
- 1 Illini DrPeoria, IL 61605-2576Phone: (309) 671-3000
- 600 N Wolfe StBaltimore, MD 21287-0005Phone: (410) 955-2000
Registry dates
- Enumerated
- 2019-04-28
- Last updated
- 2025-12-17
- Certified
- 2025-12-17
Frequently asked questions
- What is Alexander Tang's NPI number?
- Alexander Tang's National Provider Identifier (NPI) is 1821652520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Tang's specialty?
- Alexander Tang is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Tang located?
- Alexander Tang's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Alexander Tang's phone number?
- The practice phone number listed in the NPPES registry for Alexander Tang is (617) 355-6000.
- Is Alexander Tang's NPI active?
- Yes — Alexander Tang's NPI (1821652520) is active in the NPPES registry as of the last update on 2025-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.