Linda Callahan, LCSW-C
NPI 1538416003 · Clinical Social Worker · Baltimore, MD
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linda Callahan, LCSW-C is a Clinical Social Worker provider in Baltimore, MD (NPI 1538416003).
Provider details
- NPI number
- 1538416003
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- No
- License
- 16960 (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
13 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
- 2012-08-14
- Last updated
- 2024-08-21
- Certified
- 2024-08-21
Frequently asked questions
- What is Linda Callahan's NPI number?
- Linda Callahan's National Provider Identifier (NPI) is 1538416003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Callahan's specialty?
- Linda Callahan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Linda Callahan located?
- Linda Callahan's practice location on file with NPPES is 100 S Stricker St, Baltimore, MD 21223-2474.
- What is Linda Callahan's phone number?
- The practice phone number listed in the NPPES registry for Linda Callahan is (410) 387-5263.
- Does Linda Callahan accept Medicare?
- Linda Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linda Callahan's NPI active?
- Yes — Linda Callahan's NPI (1538416003) is active in the NPPES registry as of the last update on 2024-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.