Christina Hamman
NPI 1558883520 · Social Worker · Grand Rapids, MI
Christina Hamman is a Social Worker provider in Grand Rapids, MI (NPI 1558883520).
Provider details
- NPI number
- 1558883520
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
Behavioral Health & Social Service Providers
Profile Score
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
83% 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
Mailing address
Registry dates
- Enumerated
- 2017-07-12
- Last updated
- 2021-08-30
- Certified
- 2021-08-30
Frequently asked questions
- What is Christina Hamman's NPI number?
- Christina Hamman's National Provider Identifier (NPI) is 1558883520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Hamman's specialty?
- Christina Hamman is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Christina Hamman located?
- Christina Hamman's practice location on file with NPPES is 385 Leonard St Ne, Grand Rapids, MI 49503-1129.
- What is Christina Hamman's phone number?
- The practice phone number listed in the NPPES registry for Christina Hamman is (616) 301-8000.
- Is Christina Hamman's NPI active?
- Yes — Christina Hamman's NPI (1558883520) is active in the NPPES registry as of the last update on 2021-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.