IndividualActive
Jay Harris, MD
NPI 1104877646 · Radiation Oncology Physician · Boston, MA
Jay Harris, MD is a Radiation Oncology Physician provider in Boston, MA (NPI 1104877646).
Provider details
- NPI number
- 1104877646
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37185 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
44 Binney Street Dana 1622
Dana Farber Cancer Institute Department of Radiation on
Boston, MA 02115
Phone: (617) 632-2291
Street-level locationGet directions
Mailing address
111 Cypress St
Brookline, MA 02445-6002
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2012-08-07
Frequently asked questions
- What is Jay Harris's NPI number?
- Jay Harris's National Provider Identifier (NPI) is 1104877646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jay Harris's specialty?
- Jay Harris is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jay Harris located?
- Jay Harris's practice location on file with NPPES is 44 Binney Street Dana 1622, Boston, MA 02115.
- What is Jay Harris's phone number?
- The practice phone number listed in the NPPES registry for Jay Harris is (617) 632-2291.
- Is Jay Harris's NPI active?
- Yes — Jay Harris's NPI (1104877646) is active in the NPPES registry as of the last update on 2012-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.