Mandy Williams, PH.D., CCC-SLP
NPI 1134289945 · Speech-Language Pathologist · Vermillion, SD
Mandy Williams, PH.D., CCC-SLP is a Speech-Language Pathologist provider in Vermillion, SD (NPI 1134289945).
Provider details
- NPI number
- 1134289945
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- PH.D., CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 274-SLP (SD)
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
2 documented practice locations
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
Additional practice locations (1)
- 414 E Clark StVermillion, SD 57069-2307Phone: (605) 677-6205Fax: (605) 677-5767
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2019-02-12
Frequently asked questions
- What is Mandy Williams's NPI number?
- Mandy Williams's National Provider Identifier (NPI) is 1134289945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mandy Williams's specialty?
- Mandy Williams is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mandy Williams located?
- Mandy Williams's practice location on file with NPPES is 414 E Clark St, Vermillion, SD 57069.
- What is Mandy Williams's phone number?
- The practice phone number listed in the NPPES registry for Mandy Williams is (605) 677-6205.
- Is Mandy Williams's NPI active?
- Yes — Mandy Williams's NPI (1134289945) is active in the NPPES registry as of the last update on 2019-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.