Theresa Wier, PSYD, LPC
NPI 1255516001 · Clinical Psychologist · Oak Park, IL
Theresa Wier, PSYD, LPC is a Clinical Psychologist provider in Oak Park, IL (NPI 1255516001).
Provider details
- NPI number
- 1255516001
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD, LPC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 071008216 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2007-12-28
- Last updated
- 2013-03-05
Frequently asked questions
- What is Theresa Wier's NPI number?
- Theresa Wier's National Provider Identifier (NPI) is 1255516001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Wier's specialty?
- Theresa Wier is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Theresa Wier located?
- Theresa Wier's practice location on file with NPPES is 1101 Lake St, Oak Park, IL 60301-1085.
- What is Theresa Wier's phone number?
- The practice phone number listed in the NPPES registry for Theresa Wier is (708) 256-6358.
- Is Theresa Wier's NPI active?
- Yes — Theresa Wier's NPI (1255516001) is active in the NPPES registry as of the last update on 2013-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.