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Ellen Libby, PH.D.
NPI 1023384823 · Psychologist · Washington, DC
Ellen Libby, PH.D. is a Psychologist provider in Washington, DC (NPI 1023384823).
Provider details
- NPI number
- 1023384823
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1010 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
1231 Potomac St Nw
Washington, DC 20007-3230
Phone: (202) 333-4250
Street-level locationGet directions
Mailing address
3309 Harness Creek Rd
Annapolis, MD 21403-1617
Registry dates
- Enumerated
- 2012-03-26
- Last updated
- 2012-03-26
Frequently asked questions
- What is Ellen Libby's NPI number?
- Ellen Libby's National Provider Identifier (NPI) is 1023384823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Libby's specialty?
- Ellen Libby is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ellen Libby located?
- Ellen Libby's practice location on file with NPPES is 1231 Potomac St Nw, Washington, DC 20007-3230.
- What is Ellen Libby's phone number?
- The practice phone number listed in the NPPES registry for Ellen Libby is (202) 333-4250.
- Is Ellen Libby's NPI active?
- Yes — Ellen Libby's NPI (1023384823) is active in the NPPES registry as of the last update on 2012-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.