Gretchen Wiener, M.O.T., O.T.R./L
NPI 1891000931 · Occupational Therapist · Smithtown, NY
Gretchen Wiener, M.O.T., O.T.R./L is a Occupational Therapist provider in Smithtown, NY (NPI 1891000931).
Provider details
- NPI number
- 1891000931
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- M.O.T., O.T.R./L
- Sex
- Female
- Sole proprietor
- Yes
- License
- 002052 (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
- 2010-08-12
- Last updated
- 2010-08-12
Frequently asked questions
- What is Gretchen Wiener's NPI number?
- Gretchen Wiener's National Provider Identifier (NPI) is 1891000931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Wiener's specialty?
- Gretchen Wiener is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gretchen Wiener located?
- Gretchen Wiener's practice location on file with NPPES is 68 New Mill Rd, Smithtown, NY 11787-3350.
- What is Gretchen Wiener's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Wiener is (631) 366-0628.
- Is Gretchen Wiener's NPI active?
- Yes — Gretchen Wiener's NPI (1891000931) is active in the NPPES registry as of the last update on 2010-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.