IndividualActive
Margaret Blackburn, LMSW
NPI 1477184422 · Social Worker · Lanham, MD
Margaret Blackburn, LMSW is a Social Worker provider in Lanham, MD (NPI 1477184422).
Provider details
- NPI number
- 1477184422
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 25724 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
5100 Philadelphia Way
Lanham, MD 20706-4412
Phone: (301) 483-8605
Street-level locationGet directions
Mailing address
5100 Philadelphia Way
Lanham, MD 20706-4412
Registry dates
- Enumerated
- 2020-01-29
- Last updated
- 2020-01-29
- Certified
- 2020-01-29
Frequently asked questions
- What is Margaret Blackburn's NPI number?
- Margaret Blackburn's National Provider Identifier (NPI) is 1477184422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Blackburn's specialty?
- Margaret Blackburn is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Blackburn located?
- Margaret Blackburn's practice location on file with NPPES is 5100 Philadelphia Way, Lanham, MD 20706-4412.
- What is Margaret Blackburn's phone number?
- The practice phone number listed in the NPPES registry for Margaret Blackburn is (301) 483-8605.
- Is Margaret Blackburn's NPI active?
- Yes — Margaret Blackburn's NPI (1477184422) is active in the NPPES registry as of the last update on 2020-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.