Sierra Symonette, PSY.D.
NPI 1851737100 · Clinical Psychologist · Washington, DC
Sierra Symonette, PSY.D. is a Clinical Psychologist provider in Washington, DC (NPI 1851737100).
Provider details
- NPI number
- 1851737100
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PY60531921 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-05-14
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Sierra Symonette's NPI number?
- Sierra Symonette's National Provider Identifier (NPI) is 1851737100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Symonette's specialty?
- Sierra Symonette is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Sierra Symonette located?
- Sierra Symonette's practice location on file with NPPES is 300 5th Ave, Washington, DC 20319-5066.
- What is Sierra Symonette's phone number?
- The practice phone number listed in the NPPES registry for Sierra Symonette is (202) 433-5231.
- Is Sierra Symonette's NPI active?
- Yes — Sierra Symonette's NPI (1851737100) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.