Nancy Lithgow, RN, LICSW
NPI 1871703181 · Clinical Social Worker · Washington, DC
Nancy Lithgow, RN, LICSW is a Clinical Social Worker provider in Washington, DC (NPI 1871703181).
Provider details
- NPI number
- 1871703181
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- RN, LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LC00300848 (DC)
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
19 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
- 2007-05-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Lithgow's NPI number?
- Nancy Lithgow's National Provider Identifier (NPI) is 1871703181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Lithgow's specialty?
- Nancy Lithgow is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Lithgow located?
- Nancy Lithgow's practice location on file with NPPES is 101 6th St Ne, Washington, DC 20002-6019.
- What is Nancy Lithgow's phone number?
- The practice phone number listed in the NPPES registry for Nancy Lithgow is (202) 543-7700.
- Is Nancy Lithgow's NPI active?
- Yes — Nancy Lithgow's NPI (1871703181) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.