Maria Teresa Illingworth, MSW
Social Worker · Washington, DC
Maria Teresa Illingworth, MSW is a social worker with a practice address in Washington, District of Columbia, and NPI 1952541138, issued on Feb 27, 2009. Check the license with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Maria Teresa Illingworth
- Credential
- MSW
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 50 Irving St NW, Washington, DC 20422
- Phone
- (202) 745-8000
- Enumerated
- Feb 27, 2009
- Record last updated
- Feb 27, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (202) 745-8169
- Entity
- Type 1 · individual
8 nearest social worker records → All 700 in District of Columbia → Look up another NPI →
Also registered at 50 Irving St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maria Teresa Illingworth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Maria Teresa Illingworth among 700 social worker records in District of Columbia
Maria Teresa Illingworth, MSW is one of 700 social worker records with a practice address in District of Columbia. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 8% of them.
- NPI issued2009 · 8% of these records are older, 90% newer
- In a Medicare fileNo · 1% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2009 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
691 social worker records list a practice address in Washington
They are 691 of the 45,857 NPPES records with a practice address in Washington, and 700 social worker records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 700 in District of Columbia → Every provider in Washington → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
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- Christopher Bell, LGSWWashington, DC 204221093803561
- Katharine Bloeser, LGSWWashington, DC 204221376655894
- Jennifer Cameron, LISWWashington, DC 204221336389659
- Jennifer Cho, L.G.S.W.Washington, DC 204221447341540
- Brenda FaasWashington, DC 204221376638007
- Kimberly Ford, LCSWWashington, DC 204221861638876
- Andrea Husbands, LICSWWashington, DC 204221841439726
Common questions
What is Maria Teresa Illingworth, MSW's NPI number?
Maria Teresa Illingworth, MSW's National Provider Identifier (NPI) is 1952541138, issued on Feb 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maria Teresa Illingworth, MSW located?
The NPPES record lists a practice address at 50 Irving St NW, Washington, DC, 20422. Phone: (202) 745-8000. Providers update this record themselves, so call before visiting.
How can I verify Maria Teresa Illingworth, MSW's license?
Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.