SIERRA ANNE SYMONETTE PSY.D.
NPI 1851737100
Psychologist - Clinical in Washington, DC

Q: What is Sierra Symonette's NPI number?

The NPI number for Sierra Symonette is 1851737100. It was assigned to this individual provider in the NPPES registry on May 14, 2013.

Q: What is Sierra Symonette's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Sierra Symonette was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 14, 2013

300 5TH AVE, WASHINGTON, DC 20319(202) 433-5231 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 9, 2025, Mar 1, 2016 (2 updates tracked since 2016).

On this page

About Sierra Anne Symonette Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERRA ANNE SYMONETTE PSY.D. (NPI 1851737100) is an individual clinical provider in Washington, District Of Columbia, licensed in Washington (PY60531921) and active in the NPI registry since May 2013.

NPPES Registry Identity

NPI1851737100

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameSIERRA ANNE SYMONETTECredential: PSY.D.

Location Address300 5TH AVEWashington, DC 20319-5066

Mailing Address300 5th AveWashington, DC 20319-5066 · (202) 433-5231

Phone(202) 433-5231

Sole ProprietorNo

Enumeration DateMay 14, 2013

Last NPPES UpdateSeptember 9, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2025

✔ NPI 1851737100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in WA · PY60531921

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sierra Symonette's NPI number?

The NPI number for Sierra Symonette is 1851737100. It was assigned to this individual provider in the NPPES registry on May 14, 2013.

Where is Sierra Symonette located?

Sierra Symonette practices at 300 5th Ave, Washington, DC 20319. The listed phone number is (202) 433-5231.

What is Sierra Symonette's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Sierra Symonette was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.