John Keaney
NPI 1598384844 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Keaney is a Internal Medicine Physician provider in Boston, MA (NPI 1598384844).
Provider details
- NPI number
- 1598384844
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 327523 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-04-15
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is John Keaney's NPI number?
- John Keaney's National Provider Identifier (NPI) is 1598384844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Keaney's specialty?
- John Keaney is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Keaney located?
- John Keaney's practice location on file with NPPES is 394 Harrison Ave, Boston, MA 02118-2212.
- What is John Keaney's phone number?
- The practice phone number listed in the NPPES registry for John Keaney is (617) 903-5000.
- Does John Keaney accept Medicare?
- John Keaney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Keaney's NPI active?
- Yes — John Keaney's NPI (1598384844) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.