Quick answers
- Does Joseph P. Tassoni accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph P. Tassoni 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 Joseph P. Tassoni see?
- In 2024, CMS data shows 1,079 Original Medicare patients and 1,575 services for Joseph P. Tassoni. This counts Original Medicare only and measures volume, not quality.
- What is Joseph P. Tassoni's NPI number?
- 1164492617. 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 Joseph P. Tassoni, 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 | 1,079 |
|---|---|
| Services billed to Medicare | 1,575 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)530 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)215 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)172 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)119 services
- Biopsy of large bowel using a flexible endoscope (45380)72 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 pressure62%
- High cholesterol61%
- Arthritis41%
- Anxiety30%
- Depression25%
- Osteoporosis19%
Hospitals where Joseph P. Tassoni works
Medicare's Facility Affiliation Data lists Joseph P. Tassoni at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- The Cooley Dickinson Hospital IncNorthampton, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220015
Practice locations
Addresses where Joseph P. Tassoni is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 Denniston Pl, Womens HealthNorthampton, MA 01060 (413) 586‑9866
- 10 Main StFlorence, MA 01062
- 10 Main St, Suite 2Florence, MA 01062 (413) 586‑8910
- 30 Locust StNorthampton, MA 01060
Group practices
Medicare enrollment lists Joseph P. Tassoni as a member of these groups (CMS data updated October 2, 2026).
- Mass General Brigham Medical Group Western Massachusetts Inc291 clinicians in the group
- Hampshire Gastroenterology Associates LLC8 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Northampton
Clinicians with the same Medicare primary specialty in Northampton, MA — not a recommendation.
Other clinicians in Mass General Brigham Medical Group Western Massachusetts Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164492617 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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