Vivian Keller, LMSW
NPI 1922420835 · Clinical Social Worker · Grand Rapids, MI
Vivian Keller, LMSW is a Clinical Social Worker provider in Grand Rapids, MI (NPI 1922420835).
Provider details
- NPI number
- 1922420835
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801096145 (MI)
Specialties & taxonomies
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
12 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
Mailing address
Registry dates
- Enumerated
- 2014-01-11
- Last updated
- 2026-02-17
- Certified
- 2026-02-17
Frequently asked questions
- What is Vivian Keller's NPI number?
- Vivian Keller's National Provider Identifier (NPI) is 1922420835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Keller's specialty?
- Vivian Keller is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Vivian Keller located?
- Vivian Keller's practice location on file with NPPES is 1644 Giddings Ave Se, Grand Rapids, MI 49507-2225.
- What is Vivian Keller's phone number?
- The practice phone number listed in the NPPES registry for Vivian Keller is (616) 389-0548.
- Is Vivian Keller's NPI active?
- Yes — Vivian Keller's NPI (1922420835) is active in the NPPES registry as of the last update on 2026-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.