IndividualActive
Maria Illingworth, MSW
NPI 1952541138 · Social Worker · Washington, DC
Maria Illingworth, MSW is a Social Worker provider in Washington, DC (NPI 1952541138).
Provider details
- NPI number
- 1952541138
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
50 Irving St Nw
Washington, DC 20422-0001
Phone: (202) 745-8000
Fax: (202) 745-8169
Street-level locationGet directions
Mailing address
50 Irving Street, Nw
Washington, DC 20422
Registry dates
- Enumerated
- 2009-02-27
- Last updated
- 2009-02-27
Frequently asked questions
- What is Maria Illingworth's NPI number?
- Maria Illingworth's National Provider Identifier (NPI) is 1952541138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Illingworth's specialty?
- Maria Illingworth is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Maria Illingworth located?
- Maria Illingworth's practice location on file with NPPES is 50 Irving St Nw, Washington, DC 20422-0001.
- What is Maria Illingworth's phone number?
- The practice phone number listed in the NPPES registry for Maria Illingworth is (202) 745-8000.
- Is Maria Illingworth's NPI active?
- Yes — Maria Illingworth's NPI (1952541138) is active in the NPPES registry as of the last update on 2009-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.