Leslieann Williams, M.S., CCC-SLP
NPI 1003356254 · Speech-Language Pathologist · Kensington, MD
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslieann Williams, M.S., CCC-SLP is a Speech-Language Pathologist provider in Kensington, MD (NPI 1003356254).
Provider details
- NPI number
- 1003356254
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S., CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 05880 (MD)
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
9 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)
- 9803 Mahogany Dr Apt 305Gaithersburg, MD 20878-4633Phone: (240) 650-6521Fax: (888) 809-1851
Registry dates
- Enumerated
- 2017-03-06
- Last updated
- 2022-06-22
- Certified
- 2021-11-10
Frequently asked questions
- What is Leslieann Williams's NPI number?
- Leslieann Williams's National Provider Identifier (NPI) is 1003356254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslieann Williams's specialty?
- Leslieann Williams is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Leslieann Williams located?
- Leslieann Williams's practice location on file with NPPES is 3620 Littledale Rd, Kensington, MD 20895-3424.
- What is Leslieann Williams's phone number?
- The practice phone number listed in the NPPES registry for Leslieann Williams is (540) 219-6238.
- Does Leslieann Williams accept Medicare?
- Leslieann Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslieann Williams's NPI active?
- Yes — Leslieann Williams's NPI (1003356254) is active in the NPPES registry as of the last update on 2022-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.