Katharine Iesiev, LICSW
NPI 1285100826 · Clinical Social Worker · Springfield, MA
Katharine Iesiev, LICSW is a Clinical Social Worker provider in Springfield, MA (NPI 1285100826).
Provider details
- NPI number
- 1285100826
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 121478 (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
7 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
Mailing address
Registry dates
- Enumerated
- 2018-10-22
- Last updated
- 2020-12-03
- Certified
- 2020-12-03
Frequently asked questions
- What is Katharine Iesiev's NPI number?
- Katharine Iesiev's National Provider Identifier (NPI) is 1285100826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Iesiev's specialty?
- Katharine Iesiev is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katharine Iesiev located?
- Katharine Iesiev's practice location on file with NPPES is 2000 Main St, Springfield, MA 01103-1010.
- What is Katharine Iesiev's phone number?
- The practice phone number listed in the NPPES registry for Katharine Iesiev is (413) 739-5601.
- Is Katharine Iesiev's NPI active?
- Yes — Katharine Iesiev's NPI (1285100826) is active in the NPPES registry as of the last update on 2020-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.