Ruth Wittersgreen, PH.D.
NPI 1255383618 · Clinical Psychologist · Washington, DC
Ruth Wittersgreen, PH.D. is a Clinical Psychologist provider in Washington, DC (NPI 1255383618).
Provider details
- NPI number
- 1255383618
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0810003439 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 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
- 2006-05-16
- Last updated
- 2022-07-21
Frequently asked questions
- What is Ruth Wittersgreen's NPI number?
- Ruth Wittersgreen's National Provider Identifier (NPI) is 1255383618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Wittersgreen's specialty?
- Ruth Wittersgreen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ruth Wittersgreen located?
- Ruth Wittersgreen's practice location on file with NPPES is 1666 32nd Street, Nw, Washington, DC 20007.
- What is Ruth Wittersgreen's phone number?
- The practice phone number listed in the NPPES registry for Ruth Wittersgreen is (202) 407-3042.
- Is Ruth Wittersgreen's NPI active?
- Yes — Ruth Wittersgreen's NPI (1255383618) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.