Ellen Knowles, M.A., CCC-SLP
NPI 1356667810 · Speech-Language Pathologist · Springfield, VA
Ellen Knowles, M.A., CCC-SLP is a Speech-Language Pathologist provider in Springfield, VA (NPI 1356667810).
Provider details
- NPI number
- 1356667810
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.A., CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2202005625 (VA)
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
16 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
- 2010-04-08
- Last updated
- 2010-04-08
Frequently asked questions
- What is Ellen Knowles's NPI number?
- Ellen Knowles's National Provider Identifier (NPI) is 1356667810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Knowles's specialty?
- Ellen Knowles is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Ellen Knowles located?
- Ellen Knowles's practice location on file with NPPES is 9118 Donna Dean Dr, Springfield, VA 22153-1420.
- What is Ellen Knowles's phone number?
- The practice phone number listed in the NPPES registry for Ellen Knowles is (703) 912-4805.
- Is Ellen Knowles's NPI active?
- Yes — Ellen Knowles's NPI (1356667810) is active in the NPPES registry as of the last update on 2010-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.