Dr Ellen Marshall
NPI 1952104846 · Clinical Social Worker · Lewes, DE
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr Ellen Marshall is a Clinical Social Worker organization in Lewes, DE (NPI 1952104846).
Provider details
- NPI number
- 1952104846
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Ellen Marshall, Business Owner(302) 381-5265
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Family Psychologist103TF0000X
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
1 yr 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
- 2025-03-28
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is Dr Ellen Marshall's NPI number?
- Dr Ellen Marshall's National Provider Identifier (NPI) is 1952104846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Ellen Marshall?
- Dr Ellen Marshall is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dr Ellen Marshall located?
- Dr Ellen Marshall's practice location on file with NPPES is 17527 Nassau Commons Blvd Ste 101, Lewes, DE 19958-6283.
- What is Dr Ellen Marshall's phone number?
- The practice phone number listed in the NPPES registry for Dr Ellen Marshall is (302) 381-5265.
- Does Dr Ellen Marshall accept Medicare?
- Dr Ellen Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dr Ellen Marshall?
- The authorized official listed on Dr Ellen Marshall's NPPES record is Ellen Marshall, Business Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Ellen Marshall's NPI active?
- Yes — Dr Ellen Marshall's NPI (1952104846) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.