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Marilyn Siegel, LCSW
NPI 1548399041 · Clinical Social Worker · Chicago, IL
Marilyn Siegel, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1548399041).
Provider details
- NPI number
- 1548399041
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149-005494 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
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
3525 W Peterson Ave Ste 400
Chicago, IL 60659-3324
Phone: (773) 866-5035
Street-level locationGet directions
Mailing address
3145 W Pratt Blvd
Chicago, IL 60645-4125
Registry dates
- Enumerated
- 2007-03-02
- Last updated
- 2020-01-24
- Certified
- 2020-01-24
Frequently asked questions
- What is Marilyn Siegel's NPI number?
- Marilyn Siegel's National Provider Identifier (NPI) is 1548399041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Siegel's specialty?
- Marilyn Siegel is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marilyn Siegel located?
- Marilyn Siegel's practice location on file with NPPES is 3525 W Peterson Ave Ste 400, Chicago, IL 60659-3324.
- What is Marilyn Siegel's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Siegel is (773) 866-5035.
- Is Marilyn Siegel's NPI active?
- Yes — Marilyn Siegel's NPI (1548399041) is active in the NPPES registry as of the last update on 2020-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.