Steven Sliwinski, PHD, P.C.
NPI 1134310907 · Counseling Psychologist · Plano, TX
Steven Sliwinski, PHD, P.C. is a Counseling Psychologist organization in Plano, TX (NPI 1134310907).
Provider details
- NPI number
- 1134310907
- Entity type
- Organization
- Primary specialty
- Counseling PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Steven Sliwinski, Psychologist(972) 424-9212
- License
- 31440 (TX)
Specialties & taxonomies
Behavioral Health & Social 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
- 2007-08-07
- Last updated
- 2007-08-07
Frequently asked questions
- What is Steven Sliwinski, PHD, P.C.'s NPI number?
- Steven Sliwinski, PHD, P.C.'s National Provider Identifier (NPI) is 1134310907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Steven Sliwinski, PHD, P.C.?
- Steven Sliwinski, PHD, P.C. is classified in the NPPES registry as Counseling Psychologist (Behavioral Health & Social Service Providers).
- Where is Steven Sliwinski, PHD, P.C. located?
- Steven Sliwinski, PHD, P.C.'s practice location on file with NPPES is 903 18th St Ste 117, Plano, TX 75074-5838.
- What is Steven Sliwinski, PHD, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Steven Sliwinski, PHD, P.C. is (972) 424-9212.
- Who is the authorized official for Steven Sliwinski, PHD, P.C.?
- The authorized official listed on Steven Sliwinski, PHD, P.C.'s NPPES record is Steven Sliwinski, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Steven Sliwinski, PHD, P.C.'s NPI active?
- Yes — Steven Sliwinski, PHD, P.C.'s NPI (1134310907) is active in the NPPES registry as of the last update on 2007-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.