Gretchen Sittre, OTR.
NPI 1821579111 · Occupational Therapist · Castroville, TX
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Sittre, OTR. is a Occupational Therapist provider in Castroville, TX (NPI 1821579111).
Provider details
- NPI number
- 1821579111
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR.
- Sex
- Female
- Sole proprietor
- No
- License
- 115268 (TX)
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
7 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
- 2018-08-24
- Last updated
- 2018-08-24
Frequently asked questions
- What is Gretchen Sittre's NPI number?
- Gretchen Sittre's National Provider Identifier (NPI) is 1821579111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Sittre's specialty?
- Gretchen Sittre is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gretchen Sittre located?
- Gretchen Sittre's practice location on file with NPPES is 913 US Highway 90 W, Castroville, TX 78009-3853.
- What is Gretchen Sittre's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Sittre is (830) 931-2900.
- Does Gretchen Sittre accept Medicare?
- Gretchen Sittre is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Sittre's NPI active?
- Yes — Gretchen Sittre's NPI (1821579111) is active in the NPPES registry as of the last update on 2018-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.