IndividualActive
Katherine Marshall, LMSW
NPI 1336890441 · Social Worker · Rosedale, MD
Katherine Marshall, LMSW is a Social Worker provider in Rosedale, MD (NPI 1336890441).
Provider details
- NPI number
- 1336890441
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 28047 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
9627 Philadelphia Rd Ste 160
Rosedale, MD 21237-4157
Phone: (410) 780-5203
Approximate (ZIP-level) locationGet directions
Mailing address
9627 Philadelphia Rd Ste 160
Rosedale, MD 21237-4157
Registry dates
- Enumerated
- 2022-01-11
- Last updated
- 2022-01-11
- Certified
- 2022-01-11
Frequently asked questions
- What is Katherine Marshall's NPI number?
- Katherine Marshall's National Provider Identifier (NPI) is 1336890441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Marshall's specialty?
- Katherine Marshall is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Marshall located?
- Katherine Marshall's practice location on file with NPPES is 9627 Philadelphia Rd Ste 160, Rosedale, MD 21237-4157.
- What is Katherine Marshall's phone number?
- The practice phone number listed in the NPPES registry for Katherine Marshall is (410) 780-5203.
- Is Katherine Marshall's NPI active?
- Yes — Katherine Marshall's NPI (1336890441) is active in the NPPES registry as of the last update on 2022-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.