Seiler Nishimura, LCSW
NPI 1023834942 · Mental Health Counselor · Brookline, MA
Seiler Nishimura, LCSW is a Mental Health Counselor provider in Brookline, MA (NPI 1023834942).
Provider details
- NPI number
- 1023834942
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW2141423 (MA)
Specialties & taxonomies
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
1 yr 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
Mailing address
Registry dates
- Enumerated
- 2024-11-25
- Last updated
- 2026-03-24
- Certified
- 2026-03-24
Frequently asked questions
- What is Seiler Nishimura's NPI number?
- Seiler Nishimura's National Provider Identifier (NPI) is 1023834942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seiler Nishimura's specialty?
- Seiler Nishimura is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Seiler Nishimura located?
- Seiler Nishimura's practice location on file with NPPES is 235 Cypress St Ste 310, Brookline, MA 02445-6777.
- What is Seiler Nishimura's phone number?
- The practice phone number listed in the NPPES registry for Seiler Nishimura is (617) 418-6163.
- Is Seiler Nishimura's NPI active?
- Yes — Seiler Nishimura's NPI (1023834942) is active in the NPPES registry as of the last update on 2026-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.