Shannon Williamson, P.H.D.
NPI 1275624181 · Speech-Language Pathologist · Mauldin, SC
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Williamson, P.H.D. is a Speech-Language Pathologist provider in Mauldin, SC (NPI 1275624181).
Provider details
- NPI number
- 1275624181
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- P.H.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2385 (SC)
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
- 2006-09-27
- Last updated
- 2023-10-19
- Certified
- 2023-10-19
Frequently asked questions
- What is Shannon Williamson's NPI number?
- Shannon Williamson's National Provider Identifier (NPI) is 1275624181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Williamson's specialty?
- Shannon Williamson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Shannon Williamson located?
- Shannon Williamson's practice location on file with NPPES is 310 New Neely Ferry Rd, Mauldin, SC 29662-2617.
- What is Shannon Williamson's phone number?
- The practice phone number listed in the NPPES registry for Shannon Williamson is (864) 438-0990.
- Does Shannon Williamson accept Medicare?
- Shannon Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Williamson's NPI active?
- Yes — Shannon Williamson's NPI (1275624181) is active in the NPPES registry as of the last update on 2023-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.