Geoffrey Keller
NPI 1881998599 · Physical Therapist · Boston, MA
Geoffrey Keller is a Physical Therapist provider in Boston, MA (NPI 1881998599).
Provider details
- NPI number
- 1881998599
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 18426 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-01-10
- Last updated
- 2011-01-10
Frequently asked questions
- What is Geoffrey Keller's NPI number?
- Geoffrey Keller's National Provider Identifier (NPI) is 1881998599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geoffrey Keller's specialty?
- Geoffrey Keller is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Geoffrey Keller located?
- Geoffrey Keller's practice location on file with NPPES is 45 Franklin St, Boston, MA 02110-1334.
- What is Geoffrey Keller's phone number?
- The practice phone number listed in the NPPES registry for Geoffrey Keller is (617) 542-6611.
- Is Geoffrey Keller's NPI active?
- Yes — Geoffrey Keller's NPI (1881998599) is active in the NPPES registry as of the last update on 2011-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.