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Mallory Welsh, LCSW
NPI 1902311947 · Clinical Social Worker · Chicago, IL
Mallory Welsh, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1902311947).
Provider details
- NPI number
- 1902311947
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149.019897 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
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
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
300 W Adams St
Chicago, IL 60606-5101
Phone: (312) 578-9990
Street-level locationGet directions
Mailing address
365 N Halsted St
Chicago, IL 60661-1372
Registry dates
- Enumerated
- 2017-12-13
- Last updated
- 2017-12-13
Frequently asked questions
- What is Mallory Welsh's NPI number?
- Mallory Welsh's National Provider Identifier (NPI) is 1902311947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Welsh's specialty?
- Mallory Welsh is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mallory Welsh located?
- Mallory Welsh's practice location on file with NPPES is 300 W Adams St, Chicago, IL 60606-5101.
- What is Mallory Welsh's phone number?
- The practice phone number listed in the NPPES registry for Mallory Welsh is (312) 578-9990.
- Is Mallory Welsh's NPI active?
- Yes — Mallory Welsh's NPI (1902311947) is active in the NPPES registry as of the last update on 2017-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.