Katherine Thornton, M.D.
NPI 1689609497 · Medical Oncology Physician · Boston, MA
Katherine Thornton, M.D. is a Medical Oncology Physician provider in Boston, MA (NPI 1689609497).
Provider details
- NPI number
- 1689609497
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0061711 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-07-11
- Last updated
- 2016-06-22
Frequently asked questions
- What is Katherine Thornton's NPI number?
- Katherine Thornton's National Provider Identifier (NPI) is 1689609497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Thornton's specialty?
- Katherine Thornton is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Thornton located?
- Katherine Thornton's practice location on file with NPPES is 450 Brookline Ave, Boston, MA 02215-5418.
- What is Katherine Thornton's phone number?
- The practice phone number listed in the NPPES registry for Katherine Thornton is (617) 632-5204.
- Is Katherine Thornton's NPI active?
- Yes — Katherine Thornton's NPI (1689609497) is active in the NPPES registry as of the last update on 2016-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.