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DR. RUTH SUMATHI STEPHEN PSY.D.
NPI 1336235407
Psychologist - Clinical in Ashburn, VA

Active since October 05, 2006
20925 PROFESSIONAL PLZ STE 230, ASHBURN, VA 20147(703) 858-7838(703) 858-9697 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ruth Sumathi Stephen Psy.d. NPPES

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

DR. RUTH SUMATHI STEPHEN PSY.D. (NPI 1336235407) is an individual clinical provider in Ashburn, Virginia, licensed in Virginia (0810003391) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1336235407
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. RUTH SUMATHI STEPHENCredential: PSY.D.
Location Address20925 PROFESSIONAL PLZ STE 230Ashburn, VA 20147-3403
Mailing Address6405 Fairbanks LnFrederick, MD 21701-7616 · (301) 695-5663
Phone(703) 858-7838
Fax(703) 858-9697
Sole ProprietorNo
Enumeration DateOctober 5, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1336235407 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 VA · 0810003391
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.
20925 PROFESSIONAL PLZ STE 230, Ashburn, VA 20147
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Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA Z SONG PHD
Psychologist (Clinical)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (804) 207-6737
ANN CARNES NP
Nurse Practitioner (Psychiatric/Mental Health)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (571) 535-2487
MRS. MICHELLE ANNE STANLEY PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (703) 621-7121
DR. XIAO YANG PHD
Psychologist (Clinical)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (804) 207-6737
MRS. ANGEL L ZERVOS LPC
Counselor (Professional)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (571) 832-0693
MARY M IRELAND PHD
Psychologist (Clinical)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (804) 207-6737
ATLANTIC COUNSELING GROUP
Counselor (Mental Health)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (703) 665-0949
DR. AMANDA JOSLIN WILLIAMS PH.D.
Psychologist (Clinical)
20925 PROFESSIONAL PLZ STE 230
ASHBURN, VA 20147
Loudoun County (703) 621-7121

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 Ruth Stephen's NPI number?

The NPI number for Ruth Stephen is 1336235407. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Ruth Stephen located?

Ruth Stephen practices at 20925 Professional Plz Ste 230, Ashburn, VA 20147. The listed phone number is (703) 858-7838.

What is Ruth Stephen'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 Ruth Stephen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.