Siobhan Riddel, MSW
NPI 1508345281 · Clinical Social Worker · Manchester, NH
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siobhan Riddel, MSW is a Clinical Social Worker provider in Manchester, NH (NPI 1508345281).
Provider details
- NPI number
- 1508345281
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Specialist174400000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-08-13
- Last updated
- 2025-03-12
- Certified
- 2025-03-12
Frequently asked questions
- What is Siobhan Riddel's NPI number?
- Siobhan Riddel's National Provider Identifier (NPI) is 1508345281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Riddel's specialty?
- Siobhan Riddel is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Siobhan Riddel located?
- Siobhan Riddel's practice location on file with NPPES is 401 Cypress St, Manchester, NH 03103-3628.
- What is Siobhan Riddel's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Riddel is (603) 668-4111.
- Does Siobhan Riddel accept Medicare?
- Siobhan Riddel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siobhan Riddel's NPI active?
- Yes — Siobhan Riddel's NPI (1508345281) is active in the NPPES registry as of the last update on 2025-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.