IndividualActive
Katherine Hahn
NPI 1336009257 · Clinical Social Worker · Chicago, IL
Katherine Hahn is a Clinical Social Worker provider in Chicago, IL (NPI 1336009257).
Provider details
- NPI number
- 1336009257
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 149.025482 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
111 W Jackson Blvd Ste 1700
Chicago, IL 60604-3597
Phone: (646) 941-7645
Street-level locationGet directions
Mailing address
111 W Jackson Blvd Ste 1700
Chicago, IL 60604-3597
Registry dates
- Enumerated
- 2025-11-13
- Last updated
- 2026-03-23
- Certified
- 2026-03-23
Frequently asked questions
- What is Katherine Hahn's NPI number?
- Katherine Hahn's National Provider Identifier (NPI) is 1336009257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Hahn's specialty?
- Katherine Hahn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Hahn located?
- Katherine Hahn's practice location on file with NPPES is 111 W Jackson Blvd Ste 1700, Chicago, IL 60604-3597.
- What is Katherine Hahn's phone number?
- The practice phone number listed in the NPPES registry for Katherine Hahn is (646) 941-7645.
- Is Katherine Hahn's NPI active?
- Yes — Katherine Hahn's NPI (1336009257) is active in the NPPES registry as of the last update on 2026-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.