IndividualActive
Yoko Hamasaki
NPI 1558490516 · Social Worker · Springfield, MA
Yoko Hamasaki is a Social Worker provider in Springfield, MA (NPI 1558490516).
Provider details
- NPI number
- 1558490516
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- 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
511 E Columbus Ave
Springfield, MA 01105-2506
Phone: (413) 827-8959
Fax: (413) 827-7015
Street-level locationGet directions
Mailing address
18 Prospect St
Ayer, MA 01432-1636
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Yoko Hamasaki's NPI number?
- Yoko Hamasaki's National Provider Identifier (NPI) is 1558490516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yoko Hamasaki's specialty?
- Yoko Hamasaki is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Yoko Hamasaki located?
- Yoko Hamasaki's practice location on file with NPPES is 511 E Columbus Ave, Springfield, MA 01105-2506.
- What is Yoko Hamasaki's phone number?
- The practice phone number listed in the NPPES registry for Yoko Hamasaki is (413) 827-8959.
- Is Yoko Hamasaki's NPI active?
- Yes — Yoko Hamasaki's NPI (1558490516) 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.