IndividualActive
Olivia Siddle
NPI 1366223125 · Speech-Language Pathologist · Fairfax, VA
Olivia Siddle is a Speech-Language Pathologist provider in Fairfax, VA (NPI 1366223125).
Provider details
- NPI number
- 1366223125
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2202012291 (VA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
3750 Blenheim Blvd
Fairfax, VA 22030-1806
Phone: (703) 342-4690
Approximate (ZIP-level) locationGet directions
Mailing address
5757 Dow Ave Apt 327
Alexandria, VA 22304-5105
Registry dates
- Enumerated
- 2023-10-09
- Last updated
- 2026-02-13
- Certified
- 2026-02-13
Frequently asked questions
- What is Olivia Siddle's NPI number?
- Olivia Siddle's National Provider Identifier (NPI) is 1366223125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Siddle's specialty?
- Olivia Siddle is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Olivia Siddle located?
- Olivia Siddle's practice location on file with NPPES is 3750 Blenheim Blvd, Fairfax, VA 22030-1806.
- What is Olivia Siddle's phone number?
- The practice phone number listed in the NPPES registry for Olivia Siddle is (703) 342-4690.
- Is Olivia Siddle's NPI active?
- Yes — Olivia Siddle's NPI (1366223125) is active in the NPPES registry as of the last update on 2026-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.