Peter Ellsworth, PHD
NPI 1609141282 · Clinical Psychologist · Washington, DC
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Ellsworth, PHD is a Clinical Psychologist provider in Washington, DC (NPI 1609141282).
Provider details
- NPI number
- 1609141282
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 05429 (MD)
Specialties & taxonomies
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
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
Mailing address
Registry dates
- Enumerated
- 2012-03-15
- Last updated
- 2025-09-11
- Certified
- 2022-09-01
Frequently asked questions
- What is Peter Ellsworth's NPI number?
- Peter Ellsworth's National Provider Identifier (NPI) is 1609141282, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Ellsworth's specialty?
- Peter Ellsworth is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Peter Ellsworth located?
- Peter Ellsworth's practice location on file with NPPES is 1350 Connecticut Ave Nw Ste 500, Washington, DC 20036-1736.
- What is Peter Ellsworth's phone number?
- The practice phone number listed in the NPPES registry for Peter Ellsworth is (202) 790-9725.
- Does Peter Ellsworth accept Medicare?
- Peter Ellsworth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Ellsworth's NPI active?
- Yes — Peter Ellsworth's NPI (1609141282) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.