Tammi Walker, LCSW
NPI 1336632645 · Clinical Social Worker · Lisle, IL
Tammi Walker, LCSW is a Clinical Social Worker provider in Lisle, IL (NPI 1336632645).
Provider details
- NPI number
- 1336632645
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 73 W Monroe Street #422Chicago, IL 60603Phone: (888) 500-2067
Registry dates
- Enumerated
- 2018-06-11
- Last updated
- 2025-06-04
- Certified
- 2025-06-04
Frequently asked questions
- What is Tammi Walker's NPI number?
- Tammi Walker's National Provider Identifier (NPI) is 1336632645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammi Walker's specialty?
- Tammi Walker is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tammi Walker located?
- Tammi Walker's practice location on file with NPPES is 2525 Cabot Dr Ste 201, Lisle, IL 60532-3628.
- What is Tammi Walker's phone number?
- The practice phone number listed in the NPPES registry for Tammi Walker is (708) 406-9645.
- Is Tammi Walker's NPI active?
- Yes — Tammi Walker's NPI (1336632645) is active in the NPPES registry as of the last update on 2025-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.