Kathryn Callahan
NPI 1942418777 · Physical Therapy Assistant · Newton, MA
Kathryn Callahan is a Physical Therapy Assistant provider in Newton, MA (NPI 1942418777).
Provider details
- NPI number
- 1942418777
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 422 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
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
- 2007-05-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kathryn Callahan's NPI number?
- Kathryn Callahan's National Provider Identifier (NPI) is 1942418777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Callahan's specialty?
- Kathryn Callahan is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Kathryn Callahan located?
- Kathryn Callahan's practice location on file with NPPES is 52 S Gate Park, Newton, MA 02465-1616.
- What is Kathryn Callahan's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Callahan is (617) 795-0070.
- Is Kathryn Callahan's NPI active?
- Yes — Kathryn Callahan's NPI (1942418777) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.