Johnna Knapp, CCC-SLP
NPI 1700399961 · Speech-Language Pathologist · Longview, WA
Johnna Knapp, CCC-SLP is a Speech-Language Pathologist provider in Longview, WA (NPI 1700399961).
Provider details
- NPI number
- 1700399961
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 60798378 (WA)
Specialties & taxonomies
Speech, Language and Hearing 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
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
- 2017-11-09
- Last updated
- 2017-11-09
Frequently asked questions
- What is Johnna Knapp's NPI number?
- Johnna Knapp's National Provider Identifier (NPI) is 1700399961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnna Knapp's specialty?
- Johnna Knapp is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Johnna Knapp located?
- Johnna Knapp's practice location on file with NPPES is 2615 Lilac St, Longview, WA 98632.
- What is Johnna Knapp's phone number?
- The practice phone number listed in the NPPES registry for Johnna Knapp is (360) 575-7000.
- Is Johnna Knapp's NPI active?
- Yes — Johnna Knapp's NPI (1700399961) is active in the NPPES registry as of the last update on 2017-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.