IndividualActive
Gemma Hamm
NPI 1104475847 · Social Worker · Chicago, IL
Provider details
- NPI number
- 1104475847
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Other Technician247200000X
Technologists, Technicians & Other Technical Service Providers
Student, Health Care
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 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
304 N Loomis St
Chicago, IL 60607-1147
Phone: (312) 243-8487
Street-level locationGet directions
Mailing address
304 N Loomis St
Chicago, IL 60607-1147
Additional practice locations (2)
- 2400 E Katella Ave Ste 800Anaheim, CA 92806-5955Phone: (714) 858-3590
- 17320 W 12 Mile RdSouthfield, MI 48076-2100Phone: (714) 875-9928
Registry dates
- Enumerated
- 2019-09-05
- Last updated
- 2024-03-22
- Certified
- 2024-03-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.