William Schalla, OTR
NPI 1184890139 · Occupational Therapist · San Antonio, TX
William Schalla, OTR is a Occupational Therapist provider in San Antonio, TX (NPI 1184890139).
Provider details
- NPI number
- 1184890139
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR
- Sex
- Male
- Sole proprietor
- Yes
- License
- 108243 (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
18 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
- 2008-04-30
- Last updated
- 2008-04-30
Frequently asked questions
- What is William Schalla's NPI number?
- William Schalla's National Provider Identifier (NPI) is 1184890139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schalla's specialty?
- William Schalla is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Schalla located?
- William Schalla's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is William Schalla's phone number?
- The practice phone number listed in the NPPES registry for William Schalla is (210) 358-4124.
- Is William Schalla's NPI active?
- Yes — William Schalla's NPI (1184890139) is active in the NPPES registry as of the last update on 2008-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.