IndividualActive
Ruth Stephen, PSY.D.
NPI 1336235407 · Clinical Psychologist · Ashburn, VA
Ruth Stephen, PSY.D. is a Clinical Psychologist provider in Ashburn, VA (NPI 1336235407).
Provider details
- NPI number
- 1336235407
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0810003391 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
20925 Professional Plz Ste 230
Ashburn, VA 20147-3403
Phone: (703) 858-7838
Fax: (703) 858-9697
Street-level locationGet directions
Mailing address
6405 Fairbanks Ln
Frederick, MD 21701-7616
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ruth Stephen's NPI number?
- Ruth Stephen's National Provider Identifier (NPI) is 1336235407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Stephen's specialty?
- Ruth Stephen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ruth Stephen located?
- Ruth Stephen's practice location on file with NPPES is 20925 Professional Plz Ste 230, Ashburn, VA 20147-3403.
- What is Ruth Stephen's phone number?
- The practice phone number listed in the NPPES registry for Ruth Stephen is (703) 858-7838.
- Is Ruth Stephen's NPI active?
- Yes — Ruth Stephen's NPI (1336235407) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.