Gretchen Dietzen, OTR/L, CKTP
NPI 1770891871 · Occupational Therapist · Williamsville, NY
Gretchen Dietzen, OTR/L, CKTP is a Occupational Therapist provider in Williamsville, NY (NPI 1770891871).
Provider details
- NPI number
- 1770891871
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L, CKTP
- Sex
- Female
- Sole proprietor
- No
- License
- 012904-1 (NY)
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
- 2010-09-23
- Last updated
- 2010-09-23
Frequently asked questions
- What is Gretchen Dietzen's NPI number?
- Gretchen Dietzen's National Provider Identifier (NPI) is 1770891871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Dietzen's specialty?
- Gretchen Dietzen is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gretchen Dietzen located?
- Gretchen Dietzen's practice location on file with NPPES is 5544 Main St, Williamsville, NY 14221-5406.
- What is Gretchen Dietzen's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Dietzen is (716) 580-3976.
- Is Gretchen Dietzen's NPI active?
- Yes — Gretchen Dietzen's NPI (1770891871) is active in the NPPES registry as of the last update on 2010-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.