IndividualActive
Marcella Walder, MSW
NPI 1104025428 · Clinical Social Worker · Greenbelt, MD
Marcella Walder, MSW is a Clinical Social Worker provider in Greenbelt, MD (NPI 1104025428).
Provider details
- NPI number
- 1104025428
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0251 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
16 Lakeside Dr
Greenbelt, MD 20770-1904
Phone: (301) 474-2146
Fax: (301) 474-1544
Street-level locationGet directions
Mailing address
16 Lakeside Dr
Greenbelt, MD 20770-1904
Registry dates
- Enumerated
- 2007-07-17
- Last updated
- 2007-07-17
Frequently asked questions
- What is Marcella Walder's NPI number?
- Marcella Walder's National Provider Identifier (NPI) is 1104025428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcella Walder's specialty?
- Marcella Walder is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marcella Walder located?
- Marcella Walder's practice location on file with NPPES is 16 Lakeside Dr, Greenbelt, MD 20770-1904.
- What is Marcella Walder's phone number?
- The practice phone number listed in the NPPES registry for Marcella Walder is (301) 474-2146.
- Is Marcella Walder's NPI active?
- Yes — Marcella Walder's NPI (1104025428) is active in the NPPES registry as of the last update on 2007-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.