William Schreiner
NPI 1639851215 · Rehabilitation Practitioner · Sacramento, CA
William Schreiner is a Rehabilitation Practitioner provider in Sacramento, CA (NPI 1639851215).
Provider details
- NPI number
- 1639851215
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- 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
2 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
- 2023-08-03
- Last updated
- 2026-02-17
- Certified
- 2026-02-17
Frequently asked questions
- What is William Schreiner's NPI number?
- William Schreiner's National Provider Identifier (NPI) is 1639851215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schreiner's specialty?
- William Schreiner is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Schreiner located?
- William Schreiner's practice location on file with NPPES is 600 Bercut Dr, Sacramento, CA 95811-0131.
- What is William Schreiner's phone number?
- The practice phone number listed in the NPPES registry for William Schreiner is (916) 440-1500.
- Is William Schreiner's NPI active?
- Yes — William Schreiner's NPI (1639851215) is active in the NPPES registry as of the last update on 2026-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.