IndividualActive
Ellen Williams
NPI 1205209855 · Registered Nurse · Washington, DC
Ellen Williams is a Registered Nurse provider in Washington, DC (NPI 1205209855).
Provider details
- NPI number
- 1205209855
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN966623 (DC)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
1707 L St Nw
Suite 900
Washington, DC 20036-4201
Phone: (202) 829-1111
Street-level locationGet directions
Mailing address
4256 Suitland Rd Apt 101
Suitland, MD 20746-2059
Registry dates
- Enumerated
- 2015-11-04
- Last updated
- 2015-11-04
Frequently asked questions
- What is Ellen Williams's NPI number?
- Ellen Williams's National Provider Identifier (NPI) is 1205209855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Williams's specialty?
- Ellen Williams is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Ellen Williams located?
- Ellen Williams's practice location on file with NPPES is 1707 L St Nw, Washington, DC 20036-4201.
- What is Ellen Williams's phone number?
- The practice phone number listed in the NPPES registry for Ellen Williams is (202) 829-1111.
- Is Ellen Williams's NPI active?
- Yes — Ellen Williams's NPI (1205209855) is active in the NPPES registry as of the last update on 2015-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.