Kelly Diefenthaler, OTR/L
NPI 1427559145 · Occupational Therapist · Staten Island, NY
Kelly Diefenthaler, OTR/L is a Occupational Therapist provider in Staten Island, NY (NPI 1427559145).
Provider details
- NPI number
- 1427559145
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- 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
8 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
- 2018-02-27
- Last updated
- 2018-02-27
Frequently asked questions
- What is Kelly Diefenthaler's NPI number?
- Kelly Diefenthaler's National Provider Identifier (NPI) is 1427559145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelly Diefenthaler's specialty?
- Kelly Diefenthaler is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Kelly Diefenthaler located?
- Kelly Diefenthaler's practice location on file with NPPES is 165 Sheldon Avenue, Staten Island, NY 10312.
- What is Kelly Diefenthaler's phone number?
- The practice phone number listed in the NPPES registry for Kelly Diefenthaler is (917) 284-0598.
- Is Kelly Diefenthaler's NPI active?
- Yes — Kelly Diefenthaler's NPI (1427559145) is active in the NPPES registry as of the last update on 2018-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.