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Grace-Ellen Mahoney
NPI 1619825742 · Clinical Psychologist · Washington, DC
Grace-Ellen Mahoney is a Clinical Psychologist provider in Washington, DC (NPI 1619825742).
Provider details
- NPI number
- 1619825742
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sole proprietor
- Yes
- License
- 07053 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
1235 Pennsylvania Ave Se # 27
Washington, DC 20003-2227
Phone: (240) 293-0922
Street-level locationGet directions
Mailing address
1235 Pennsylvania Ave Se # 27
Washington, DC 20003-2227
Registry dates
- Enumerated
- 2026-03-16
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Grace-Ellen Mahoney's NPI number?
- Grace-Ellen Mahoney's National Provider Identifier (NPI) is 1619825742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace-Ellen Mahoney's specialty?
- Grace-Ellen Mahoney is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Grace-Ellen Mahoney located?
- Grace-Ellen Mahoney's practice location on file with NPPES is 1235 Pennsylvania Ave Se # 27, Washington, DC 20003-2227.
- What is Grace-Ellen Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Grace-Ellen Mahoney is (240) 293-0922.
- Is Grace-Ellen Mahoney's NPI active?
- Yes — Grace-Ellen Mahoney's NPI (1619825742) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.