Siobhan Ashley Gaston, APRN
Psychiatric/Mental Health Nurse Practitioner · Norwich, CT
Siobhan Ashley Gaston, APRN is a psychiatric/mental health nurse practitioner with a practice address in Norwich, Connecticut, and NPI 1295254340, issued on Sep 10, 2017. Check the license (Connecticut 6177, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Siobhan Ashley Gaston
- Credential
- APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 6177 CT
Self-reported in NPPES; status is on the state search - Practice location
- 401 W Thames St Bldg 301, Norwich, CT 06360
- Phone
- (860) 859-4738
- Enumerated
- Sep 10, 2017
- Record last updated
- Sep 21, 2023
- Fax
- (860) 859-4672
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,108 in Connecticut → Look up another NPI →
Also registered at 401 W Thames St Bldg 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elise FernstromPsychiatric/Mental Health Nurse Practitioner1083411904
- Heather Fournier, LCSWClinical Social Worker1245896281
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Verify Siobhan Ashley Gaston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
2,125 Medicare Part D claims for 81 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Clozapine147 claims
- Benztropine Mesylate144 claims
- Quetiapine Fumarate133 claims
- Trazodone Hcl104 claims
- Bupropion Xl92 claims
- Haloperidol90 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $50.84
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Siobhan Ashley Gaston among 1,108 psychiatric/mental health nurse practitioner records in Connecticut
Siobhan Ashley Gaston, APRN is one of 1,108 psychiatric/mental health nurse practitioner records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 41% of them.
- NPI issued2017 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2023 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 psychiatric/mental health nurse practitioner records list a practice address in Norwich
They are 20 of the 1,431 NPPES records with a practice address in Norwich, and 1,108 psychiatric/mental health nurse practitioner records in Connecticut.
All 1,108 in Connecticut → Every provider in Norwich → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Eleonore Bayles, APRNNorwich, CT 063601164933669
- Jeremy Booty, APRNNorwich, CT 063601669877189
- Lisa Harrison, APRNNorwich, CT 063601013295575
- John Kemp, APRNNorwich, CT 063601053967463
- Megan Klein, APRN, MS, LSNorwich, CT 063601437232766
- Eileen Moore, APRNNorwich, CT 063601588700538
- Kadian MorrisonNorwich, CT 063601205371093
- Erin O'Connor, PMHNP, DNPNorwich, CT 063601932525516
Common questions
What is Siobhan Ashley Gaston, APRN's NPI number?
Siobhan Ashley Gaston, APRN's National Provider Identifier (NPI) is 1295254340, issued on Sep 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Siobhan Ashley Gaston, APRN located?
The NPPES record lists a practice address at 401 W Thames St Bldg 301, Norwich, CT, 06360. Phone: (860) 859-4738. Providers update this record themselves, so call before visiting.
How can I verify Siobhan Ashley Gaston, APRN's license?
NPPES lists Connecticut license number 6177, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Siobhan Ashley Gaston, APRN prescribe under Medicare Part D?
In 2024, Siobhan Ashley Gaston, APRN had 2,125 Medicare Part D claims for 81 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.