IndividualActive
Joann Hammack
NPI 1427780394 · Social Worker · Rockford, IL
Joann Hammack is a Social Worker provider in Rockford, IL (NPI 1427780394).
Provider details
- NPI number
- 1427780394
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 150.105256 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
2704 N Main St
Rockford, IL 61103-3112
Phone: (815) 391-1000
Street-level locationGet directions
Mailing address
1021 N Mulford Rd
Rockford, IL 61107-3874
Registry dates
- Enumerated
- 2022-06-28
- Last updated
- 2022-06-28
- Certified
- 2022-06-26
Frequently asked questions
- What is Joann Hammack's NPI number?
- Joann Hammack's National Provider Identifier (NPI) is 1427780394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joann Hammack's specialty?
- Joann Hammack is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Joann Hammack located?
- Joann Hammack's practice location on file with NPPES is 2704 N Main St, Rockford, IL 61103-3112.
- What is Joann Hammack's phone number?
- The practice phone number listed in the NPPES registry for Joann Hammack is (815) 391-1000.
- Is Joann Hammack's NPI active?
- Yes — Joann Hammack's NPI (1427780394) is active in the NPPES registry as of the last update on 2022-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.