Quick answers
- Does Joseph M. Tremaglio accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph M. Tremaglio 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 M. Tremaglio see?
- In 2024, CMS data shows 427 Original Medicare patients and 1,930 services for Joseph M. Tremaglio. This counts Original Medicare only and measures volume, not quality.
- What is Joseph M. Tremaglio's NPI number?
- 1841519451. 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 M. Tremaglio, 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 | 427 |
|---|---|
| Services billed to Medicare | 1,930 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)319 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)246 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)207 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)169 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)162 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%
- Chronic kidney disease75%
- Diabetes53%
- Ischemic heart disease47%
- Heart failure46%
Hospitals where Joseph M. Tremaglio works
Medicare's Facility Affiliation Data lists Joseph M. Tremaglio 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.
- Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025
- Manchester Memorial HospitalManchester, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070027
Practice locations
Addresses where Joseph M. Tremaglio is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 100 Simsbury RdAvon, CT 06001 (860) 258‑3480
- 11 S RdFarmington, CT 06032 (860) 258‑3480
- 1260 Silas Deane HwyWethersfield, CT 06109 (860) 832‑4666
- 360 Tolland TpkeManchester, CT 06042 (860) 258‑3480
- 533 Cottage Grove RdBloomfield, CT 06002 (860) 258‑3480
Group practices
Medicare enrollment lists Joseph M. Tremaglio as a member of these groups (CMS data updated October 2, 2026).
- Hartford Hospital1,044 clinicians in the group
- Starling Physicians, PLLC283 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Avon
Clinicians with the same Medicare primary specialty in Avon, CT — not a recommendation.
Other clinicians in Hartford Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Connecticut School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841519451 |
| 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