Christopher Marchewka, LMSW
NPI 1609750256 · Clinical Social Worker · Spartanburg, SC
Christopher Marchewka, LMSW is a Clinical Social Worker provider in Spartanburg, SC (NPI 1609750256).
Provider details
- NPI number
- 1609750256
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- No
- License
- 17050 (SC)
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
Under 1 yr in 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
- 2025-08-05
- Last updated
- 2025-08-05
- Certified
- 2025-08-05
Frequently asked questions
- What is Christopher Marchewka's NPI number?
- Christopher Marchewka's National Provider Identifier (NPI) is 1609750256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Marchewka's specialty?
- Christopher Marchewka is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Christopher Marchewka located?
- Christopher Marchewka's practice location on file with NPPES is 460 Langdon St, Spartanburg, SC 29302-1614.
- What is Christopher Marchewka's phone number?
- The practice phone number listed in the NPPES registry for Christopher Marchewka is (864) 582-2411.
- Is Christopher Marchewka's NPI active?
- Yes — Christopher Marchewka's NPI (1609750256) is active in the NPPES registry as of the last update on 2025-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.