Mary Theis, MA, CSLG PSY LCPC
NPI 1366808974 · Professional Counselor · Evanston, IL
Mary Theis, MA, CSLG PSY LCPC is a Professional Counselor provider in Evanston, IL (NPI 1366808974).
Provider details
- NPI number
- 1366808974
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- MA, CSLG PSY LCPC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 180.004853 (IL)
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
10 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
- 2016-01-12
- Last updated
- 2016-01-12
Frequently asked questions
- What is Mary Theis's NPI number?
- Mary Theis's National Provider Identifier (NPI) is 1366808974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Theis's specialty?
- Mary Theis is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Theis located?
- Mary Theis's practice location on file with NPPES is 9343 Drake Ave, Evanston, IL 60203-1406.
- What is Mary Theis's phone number?
- The practice phone number listed in the NPPES registry for Mary Theis is (847) 677-7022.
- Is Mary Theis's NPI active?
- Yes — Mary Theis's NPI (1366808974) is active in the NPPES registry as of the last update on 2016-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.