Mary Walther, LCSW
NPI 1427066091 · Marriage & Family Therapist · Wilmette, IL
Mary Walther, LCSW is a Marriage & Family Therapist provider in Wilmette, IL (NPI 1427066091).
Provider details
- NPI number
- 1427066091
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
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
19 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
- 2006-08-03
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mary Walther's NPI number?
- Mary Walther's National Provider Identifier (NPI) is 1427066091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Walther's specialty?
- Mary Walther is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mary Walther located?
- Mary Walther's practice location on file with NPPES is 1167 Wilmette Ave, Wilmette, IL 60091-2643.
- What is Mary Walther's phone number?
- The practice phone number listed in the NPPES registry for Mary Walther is (847) 251-7350.
- Is Mary Walther's NPI active?
- Yes — Mary Walther's NPI (1427066091) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.