IndividualActive
Katherine Hollwitz, LMSW
NPI 1790027738 · Social Worker · Brooklyn, NY
Katherine Hollwitz, LMSW is a Social Worker provider in Brooklyn, NY (NPI 1790027738).
Provider details
- NPI number
- 1790027738
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- P85827 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
260 Broadway
4th Floor
Brooklyn, NY 11211-8433
Phone: (347) 505-5120
Fax: (718) 388-0896
Street-level locationGet directions
Mailing address
69 Kermit Pl
Brooklyn, NY 11218-1847
Registry dates
- Enumerated
- 2013-03-16
- Last updated
- 2013-03-16
Frequently asked questions
- What is Katherine Hollwitz's NPI number?
- Katherine Hollwitz's National Provider Identifier (NPI) is 1790027738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Hollwitz's specialty?
- Katherine Hollwitz is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Hollwitz located?
- Katherine Hollwitz's practice location on file with NPPES is 260 Broadway, Brooklyn, NY 11211-8433.
- What is Katherine Hollwitz's phone number?
- The practice phone number listed in the NPPES registry for Katherine Hollwitz is (347) 505-5120.
- Is Katherine Hollwitz's NPI active?
- Yes — Katherine Hollwitz's NPI (1790027738) is active in the NPPES registry as of the last update on 2013-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.