Joy Dyferrer, M.S.CCC-SLP
NPI 1952634412 · Speech-Language Pathologist · Santa Clara, CA
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joy Dyferrer, M.S.CCC-SLP is a Speech-Language Pathologist provider in Santa Clara, CA (NPI 1952634412).
Provider details
- NPI number
- 1952634412
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S.CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 12726 (CA)
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
- 2009-09-15
- Last updated
- 2022-03-28
Frequently asked questions
- What is Joy Dyferrer's NPI number?
- Joy Dyferrer's National Provider Identifier (NPI) is 1952634412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joy Dyferrer's specialty?
- Joy Dyferrer is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Joy Dyferrer located?
- Joy Dyferrer's practice location on file with NPPES is 1333 Lawrence Expy, Santa Clara, CA 95051.
- What is Joy Dyferrer's phone number?
- The practice phone number listed in the NPPES registry for Joy Dyferrer is (408) 851-1000.
- Does Joy Dyferrer accept Medicare?
- Joy Dyferrer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joy Dyferrer's NPI active?
- Yes — Joy Dyferrer's NPI (1952634412) is active in the NPPES registry as of the last update on 2022-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.