El Rio Psychological Services, P.C.
NPI 1427380377 · Clinical Psychologist · Sherman, TX
El Rio Psychological Services, P.C. is a Clinical Psychologist organization in Sherman, TX (NPI 1427380377).
Provider details
- NPI number
- 1427380377
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- William Thomason, Clinical Psychologist(972) 841-3987
- License
- 25481 (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
16 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
Other names (DBA / former)
- Doing business as
- William Thomason
Registry dates
- Enumerated
- 2010-02-03
- Last updated
- 2010-02-03
Frequently asked questions
- What is El Rio Psychological Services, P.C.'s NPI number?
- El Rio Psychological Services, P.C.'s National Provider Identifier (NPI) is 1427380377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is El Rio Psychological Services, P.C.?
- El Rio Psychological Services, P.C. is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is El Rio Psychological Services, P.C. located?
- El Rio Psychological Services, P.C.'s practice location on file with NPPES is 402 W Lamar St, Sherman, TX 75090-5885.
- What is El Rio Psychological Services, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for El Rio Psychological Services, P.C. is (903) 893-0298.
- Who is the authorized official for El Rio Psychological Services, P.C.?
- The authorized official listed on El Rio Psychological Services, P.C.'s NPPES record is William Thomason, Clinical Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is El Rio Psychological Services, P.C.'s NPI active?
- Yes — El Rio Psychological Services, P.C.'s NPI (1427380377) is active in the NPPES registry as of the last update on 2010-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.