Ken Zaner, MD
NPI 1073529137 · Medical Oncology Physician · Boston, MA
Ken Zaner, MD is a Medical Oncology Physician provider in Boston, MA (NPI 1073529137).
Provider details
- NPI number
- 1073529137
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 47353 (MA)
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
- 2006-07-31
- Last updated
- 2014-07-31
Frequently asked questions
- What is Ken Zaner's NPI number?
- Ken Zaner's National Provider Identifier (NPI) is 1073529137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ken Zaner's specialty?
- Ken Zaner is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ken Zaner located?
- Ken Zaner's practice location on file with NPPES is 830 Harrison Avenue, Boston, MA 02118-2905.
- What is Ken Zaner's phone number?
- The practice phone number listed in the NPPES registry for Ken Zaner is (617) 638-6428.
- Is Ken Zaner's NPI active?
- Yes — Ken Zaner's NPI (1073529137) is active in the NPPES registry as of the last update on 2014-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.