Siobhan Gaston, APRN
NPI 1295254340 · Psychiatric/Mental Health Nurse Practitioner · Norwich, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siobhan Gaston, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Norwich, CT (NPI 1295254340).
Provider details
- NPI number
- 1295254340
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 6177 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 147 | — |
| Benztropine Mesylate | 144 | 15 |
| Quetiapine Fumarate | 133 | 13 |
| Trazodone Hcl | 104 | 14 |
| Bupropion Hclbrand: Bupropion Xl | 92 | 11 |
| Haloperidol | 90 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 87 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-10
- Last updated
- 2023-09-21
- Certified
- 2023-09-21
Frequently asked questions
- What is Siobhan Gaston's NPI number?
- Siobhan Gaston's National Provider Identifier (NPI) is 1295254340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Gaston's specialty?
- Siobhan Gaston is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Siobhan Gaston located?
- Siobhan Gaston's practice location on file with NPPES is 401 W Thames St Bldg 301, Norwich, CT 06360-7155.
- What is Siobhan Gaston's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Gaston is (860) 859-4738.
- Does Siobhan Gaston accept Medicare?
- Siobhan Gaston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siobhan Gaston's NPI active?
- Yes — Siobhan Gaston's NPI (1295254340) is active in the NPPES registry as of the last update on 2023-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.