Quick answers
- Does Alissa Tarsi accept Medicare assignment?
- Yes. Medicare's clinician data says Alissa Tarsi 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 Alissa Tarsi see?
- In 2024, CMS data shows 163 Original Medicare patients and 336 services for Alissa Tarsi. This counts Original Medicare only and measures volume, not quality.
- What is Alissa Tarsi's NPI number?
- 1780386276. 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 Alissa Tarsi, 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 | 163 |
|---|---|
| Services billed to Medicare | 336 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)60 services
- Admn sarscov2 vacc 1 dose (90480)46 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)32 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)28 services
- Sarscov2 vac 50 mcg/0.5ml im (91322)25 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 cholesterol72%
- High blood pressure57%
- Arthritis39%
- Osteoporosis23%
- Anxiety20%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)15%
Practice locations
Addresses where Alissa Tarsi is enrolled with Medicare (CMS data updated October 2, 2026).
- 1057 Boston Post Rd, Suite 2Guilford, CT 06437 (866) 389‑2727
- 22 Depot Hill RdSouthbury, CT 06488 (866) 389‑2727
Group practices
Medicare enrollment lists Alissa Tarsi as a member of these groups (CMS data updated October 2, 2026).
- MC Diagnostic of Connecticut, P.C.67 clinicians in the group
- Minuteclinic Primary Care Connecticut PLLC7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Guilford
Clinicians with the same Medicare primary specialty in Guilford, CT — not a recommendation.
Other clinicians in MC Diagnostic of Connecticut, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780386276 |
| 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