Katherine Wittmer
NPI 1538347158 · Developmental Therapist · South Hadley, MA
Katherine Wittmer is a Developmental Therapist provider in South Hadley, MA (NPI 1538347158).
Provider details
- NPI number
- 1538347158
- Entity type
- Individual
- Primary specialty
- Developmental TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
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
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2008-02-06
- Last updated
- 2008-02-06
Frequently asked questions
- What is Katherine Wittmer's NPI number?
- Katherine Wittmer's National Provider Identifier (NPI) is 1538347158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Wittmer's specialty?
- Katherine Wittmer is listed in the NPPES registry with a primary specialty of Developmental Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Katherine Wittmer located?
- Katherine Wittmer's practice location on file with NPPES is 30 Old Lyman Rd, South Hadley, MA 01075-2630.
- What is Katherine Wittmer's phone number?
- The practice phone number listed in the NPPES registry for Katherine Wittmer is (413) 533-7140.
- Is Katherine Wittmer's NPI active?
- Yes — Katherine Wittmer's NPI (1538347158) is active in the NPPES registry as of the last update on 2008-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.