Margaret Duff, M.A., CCC-SLP
NPI 1154408524 · Speech-Language Pathologist · Cleveland, OH
Margaret Duff, M.A., CCC-SLP is a Speech-Language Pathologist provider in Cleveland, OH (NPI 1154408524).
Provider details
- NPI number
- 1154408524
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.A., CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- SP-5876 (OH)
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
- 2006-11-01
- Last updated
- 2010-04-13
Frequently asked questions
- What is Margaret Duff's NPI number?
- Margaret Duff's National Provider Identifier (NPI) is 1154408524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Duff's specialty?
- Margaret Duff is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Margaret Duff located?
- Margaret Duff's practice location on file with NPPES is 11635 Euclid Ave, Cleveland, OH 44106-4319.
- What is Margaret Duff's phone number?
- The practice phone number listed in the NPPES registry for Margaret Duff is (216) 231-8787.
- Is Margaret Duff's NPI active?
- Yes — Margaret Duff's NPI (1154408524) is active in the NPPES registry as of the last update on 2010-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.