Gwen Kolb
NPI 1598117889 · Clinical Social Worker · Boston, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwen Kolb is a Clinical Social Worker provider in Boston, MA (NPI 1598117889).
Provider details
- NPI number
- 1598117889
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 124563 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
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
9 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
- 2016-07-11
- Last updated
- 2022-03-22
- Certified
- 2022-03-22
Frequently asked questions
- What is Gwen Kolb's NPI number?
- Gwen Kolb's National Provider Identifier (NPI) is 1598117889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwen Kolb's specialty?
- Gwen Kolb is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gwen Kolb located?
- Gwen Kolb's practice location on file with NPPES is 3815 Washington St Ste 2, Boston, MA 02130-3760.
- What is Gwen Kolb's phone number?
- The practice phone number listed in the NPPES registry for Gwen Kolb is (617) 285-5299.
- Does Gwen Kolb accept Medicare?
- Gwen Kolb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwen Kolb's NPI active?
- Yes — Gwen Kolb's NPI (1598117889) is active in the NPPES registry as of the last update on 2022-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.