IndividualActive
Karen Mark, LMSW
NPI 1134338262 · Social Worker · Long Island City, NY
Karen Mark, LMSW is a Social Worker provider in Long Island City, NY (NPI 1134338262).
Provider details
- NPI number
- 1134338262
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
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
3435 12th St # a
Ravenswood Senior Center
Long Island City, NY 11106-5057
Phone: (718) 609-1028
Street-level locationGet directions
Mailing address
107 W 25th St
New York, NY 10001-7202
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Mark's NPI number?
- Karen Mark's National Provider Identifier (NPI) is 1134338262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mark's specialty?
- Karen Mark is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Mark located?
- Karen Mark's practice location on file with NPPES is 3435 12th St # a, Long Island City, NY 11106-5057.
- What is Karen Mark's phone number?
- The practice phone number listed in the NPPES registry for Karen Mark is (718) 609-1028.
- Is Karen Mark's NPI active?
- Yes — Karen Mark's NPI (1134338262) 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.