IndividualActive
Karen Mruk, LCSW
NPI 1235343021 · Social Worker · New York, NY
Karen Mruk, LCSW is a Social Worker provider in New York, NY (NPI 1235343021).
Provider details
- NPI number
- 1235343021
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R050677-1 (NY)
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
19 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
24 E 12th St Rm 505
New York, NY 10003-4560
Phone: (212) 337-1138
Street-level locationGet directions
Mailing address
74 2nd Pl Apt 5b
Brooklyn, NY 11231-4143
Registry dates
- Enumerated
- 2007-05-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Mruk's NPI number?
- Karen Mruk's National Provider Identifier (NPI) is 1235343021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mruk's specialty?
- Karen Mruk is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Mruk located?
- Karen Mruk's practice location on file with NPPES is 24 E 12th St Rm 505, New York, NY 10003-4560.
- What is Karen Mruk's phone number?
- The practice phone number listed in the NPPES registry for Karen Mruk is (212) 337-1138.
- Is Karen Mruk's NPI active?
- Yes — Karen Mruk's NPI (1235343021) 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.