Katherine O'Brien, M.S.W., L.I.C.S.W.,
NPI 1356669253 · Clinical Social Worker · Worcester, MA
Katherine O'Brien, M.S.W., L.I.C.S.W., is a Clinical Social Worker provider in Worcester, MA (NPI 1356669253).
Provider details
- NPI number
- 1356669253
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W., L.I.C.S.W.,
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
16 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
Mailing address
Registry dates
- Enumerated
- 2010-05-17
- Last updated
- 2013-04-29
Frequently asked questions
- What is Katherine O'Brien's NPI number?
- Katherine O'Brien's National Provider Identifier (NPI) is 1356669253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine O'Brien's specialty?
- Katherine O'Brien is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine O'Brien located?
- Katherine O'Brien's practice location on file with NPPES is 81 Plantation St, Worcester, MA 01604-3069.
- What is Katherine O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Katherine O'Brien is (508) 849-5600.
- Is Katherine O'Brien's NPI active?
- Yes — Katherine O'Brien's NPI (1356669253) is active in the NPPES registry as of the last update on 2013-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.