Joanna Clark, M.S., CCC-SLP
NPI 1649324658 · Speech-Language Pathologist · Phoenix, AZ
Joanna Clark, M.S., CCC-SLP is a Speech-Language Pathologist provider in Phoenix, AZ (NPI 1649324658).
Provider details
- NPI number
- 1649324658
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S., CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- SLP1603 (AZ)
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
19 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
- 2007-01-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joanna Clark's NPI number?
- Joanna Clark's National Provider Identifier (NPI) is 1649324658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Clark's specialty?
- Joanna Clark is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Joanna Clark located?
- Joanna Clark's practice location on file with NPPES is 7960 W Osborn Rd, Phoenix, AZ 85033-3521.
- What is Joanna Clark's phone number?
- The practice phone number listed in the NPPES registry for Joanna Clark is (623) 691-4700.
- Is Joanna Clark's NPI active?
- Yes — Joanna Clark's NPI (1649324658) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.