Marissa Flenniken
NPI 1235650649 · Clinical Social Worker · Wichita, KS
Marissa Flenniken is a Clinical Social Worker provider in Wichita, KS (NPI 1235650649).
Provider details
- NPI number
- 1235650649
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 06480 (KS)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
100% of core fields populated
- Practice footprint23% of score
2 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
Mailing address
Additional practice locations (1)
- 401 Broadway Ste 100Tacoma, WA 98402-3900Phone: (360) 556-3459
Registry dates
- Enumerated
- 2017-07-06
- Last updated
- 2026-02-18
- Certified
- 2026-02-18
Frequently asked questions
- What is Marissa Flenniken's NPI number?
- Marissa Flenniken's National Provider Identifier (NPI) is 1235650649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Flenniken's specialty?
- Marissa Flenniken is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marissa Flenniken located?
- Marissa Flenniken's practice location on file with NPPES is 807 N Waco Ave Ste 11, Wichita, KS 67203-3971.
- What is Marissa Flenniken's phone number?
- The practice phone number listed in the NPPES registry for Marissa Flenniken is (316) 721-8118.
- Is Marissa Flenniken's NPI active?
- Yes — Marissa Flenniken's NPI (1235650649) is active in the NPPES registry as of the last update on 2026-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.