IndividualActive
Leah Derr, LGSW
NPI 1043727258 · Social Worker · Frederick, MD
Leah Derr, LGSW is a Social Worker provider in Frederick, MD (NPI 1043727258).
Provider details
- NPI number
- 1043727258
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LGSW
- Sex
- Female
- Sole proprietor
- No
- License
- 23474 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
226 S Jefferson St
Frederick, MD 21701-6205
Phone: (301) 663-6135
Street-level locationGet directions
Mailing address
12 Wenner Dr
Brunswick, MD 21716-1246
Registry dates
- Enumerated
- 2018-01-09
- Last updated
- 2018-01-09
Frequently asked questions
- What is Leah Derr's NPI number?
- Leah Derr's National Provider Identifier (NPI) is 1043727258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Derr's specialty?
- Leah Derr is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Leah Derr located?
- Leah Derr's practice location on file with NPPES is 226 S Jefferson St, Frederick, MD 21701-6205.
- What is Leah Derr's phone number?
- The practice phone number listed in the NPPES registry for Leah Derr is (301) 663-6135.
- Is Leah Derr's NPI active?
- Yes — Leah Derr's NPI (1043727258) is active in the NPPES registry as of the last update on 2018-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.