Quick answers
- Does Sarah Bione-Dunn accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah Bione-Dunn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sarah Bione-Dunn see?
- In 2024, CMS data shows 409 Original Medicare patients and 1,414 services for Sarah Bione-Dunn. This counts Original Medicare only and measures volume, not quality.
- What is Sarah Bione-Dunn's NPI number?
- 1356579395. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sarah Bione-Dunn, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 409 |
|---|---|
| Services billed to Medicare | 1,414 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Psychotherapy, 30 minutes (90832)1,012 services
- Psychiatric diagnostic evaluation (90791)309 services
- Group psychotherapy (90853)38 services
- Psychotherapy, 45 minutes (90834)26 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Depression67%
- Anxiety63%
- Arthritis62%
- Heart failure49%
Practice locations
Addresses where Sarah Bione-Dunn is enrolled with Medicare (CMS data updated October 2, 2026).
- 270 Farmington Ave, Suite 309Farmington, CT 06032 (860) 677‑5570
Group practices
Medicare enrollment lists Sarah Bione-Dunn as a member of these groups (CMS data updated October 2, 2026).
- Connecticut Mental Health Specialists Inc68 clinicians in the group
- Value Based Long Term Care K PC65 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Farmington
Clinicians with the same Medicare primary specialty in Farmington, CT — not a recommendation.
Other clinicians in Connecticut Mental Health Specialists Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2010 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356579395 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians