IndividualActive
Charles Marker, LCSW-R
NPI 1174670830 · Clinical Social Worker · Malverne, NY
Charles Marker, LCSW-R is a Clinical Social Worker provider in Malverne, NY (NPI 1174670830).
Provider details
- NPI number
- 1174670830
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-R
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
353 Hempstead Ave
Malverne, NY 11565-1233
Phone: (516) 599-6420
Approximate (ZIP-level) locationGet directions
Mailing address
59 Malverne Ave
Malverne, NY 11565-1443
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Marker's NPI number?
- Charles Marker's National Provider Identifier (NPI) is 1174670830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Marker's specialty?
- Charles Marker is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Charles Marker located?
- Charles Marker's practice location on file with NPPES is 353 Hempstead Ave, Malverne, NY 11565-1233.
- What is Charles Marker's phone number?
- The practice phone number listed in the NPPES registry for Charles Marker is (516) 599-6420.
- Is Charles Marker's NPI active?
- Yes — Charles Marker's NPI (1174670830) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.