Margaret Treadwell, LCSW-C
NPI 1215125257 · Clinical Social Worker · Chevy Chase, MD
Margaret Treadwell, LCSW-C is a Clinical Social Worker provider in Chevy Chase, MD (NPI 1215125257).
Provider details
- NPI number
- 1215125257
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3727 (MD)
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
18 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
- 2007-10-03
- Last updated
- 2026-05-10
Frequently asked questions
- What is Margaret Treadwell's NPI number?
- Margaret Treadwell's National Provider Identifier (NPI) is 1215125257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Treadwell's specialty?
- Margaret Treadwell is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Treadwell located?
- Margaret Treadwell's practice location on file with NPPES is 5420 Grove St, Chevy Chase, MD 20815-7103.
- What is Margaret Treadwell's phone number?
- The practice phone number listed in the NPPES registry for Margaret Treadwell is (301) 654-4126.
- Is Margaret Treadwell's NPI active?
- Yes — Margaret Treadwell's NPI (1215125257) is active in the NPPES registry as of the last update on 2026-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.