IndividualActive
John Keane, MD
NPI 1265492847 · Cardiovascular Disease Physician · Boston, MA
John Keane, MD is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1265492847).
Provider details
- NPI number
- 1265492847
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35177 (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
300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-9793
Street-level locationGet directions
Mailing address
91 Stiles Rd
Salem, NH 03079-5804
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2010-01-22
Frequently asked questions
- What is John Keane's NPI number?
- John Keane's National Provider Identifier (NPI) is 1265492847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Keane's specialty?
- John Keane is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Keane located?
- John Keane's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is John Keane's phone number?
- The practice phone number listed in the NPPES registry for John Keane is (617) 355-9793.
- Is John Keane's NPI active?
- Yes — John Keane's NPI (1265492847) is active in the NPPES registry as of the last update on 2010-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.