Marianne Sydorko, LCSW-C
NPI 1942534771 · Clinical Social Worker · Silver Spring, MD
Marianne Sydorko, LCSW-C is a Clinical Social Worker provider in Silver Spring, MD (NPI 1942534771).
Provider details
- NPI number
- 1942534771
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 15356 (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
16 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
- 2009-09-26
- Last updated
- 2009-09-26
Frequently asked questions
- What is Marianne Sydorko's NPI number?
- Marianne Sydorko's National Provider Identifier (NPI) is 1942534771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Sydorko's specialty?
- Marianne Sydorko is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marianne Sydorko located?
- Marianne Sydorko's practice location on file with NPPES is 47 Long Green Ct, Silver Spring, MD 20906-2053.
- What is Marianne Sydorko's phone number?
- The practice phone number listed in the NPPES registry for Marianne Sydorko is (202) 413-4874.
- Is Marianne Sydorko's NPI active?
- Yes — Marianne Sydorko's NPI (1942534771) is active in the NPPES registry as of the last update on 2009-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.