Quick answers
- Does Antoine M. Ferneini accept Medicare assignment?
- Yes. Medicare's clinician data says Antoine M. Ferneini 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 Antoine M. Ferneini see?
- In 2024, CMS data shows 424 Original Medicare patients and 1,340 services for Antoine M. Ferneini. This counts Original Medicare only and measures volume, not quality.
- What is Antoine M. Ferneini's NPI number?
- 1053344424. 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 Antoine M. Ferneini, 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 | 424 |
|---|---|
| Services billed to Medicare | 1,340 |
| Different services or procedures | 75 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)410 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)126 services
- Ultrasound of both sides of head and neck blood flow (93880)93 services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)82 services
- Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts (93978)73 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%
- Arthritis53%
- Ischemic heart disease41%
- Diabetes40%
- Chronic kidney disease33%
Hospitals where Antoine M. Ferneini works
Medicare's Facility Affiliation Data lists Antoine M. Ferneini 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.
- Midstate Medical CenterMeriden, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070017
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070022
Practice locations
Addresses where Antoine M. Ferneini is enrolled with Medicare (CMS data updated October 2, 2026).
- 280 State St, Suite 1North Haven, CT 06473 (203) 288‑2886
- 6 Business Park Dr, Suite 203Branford, CT 06405 (203) 288‑2886
Group practices
Medicare enrollment lists Antoine M. Ferneini as a member of this group (CMS data updated October 2, 2026).
- Connecticut Vascular Center PC5 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in North Haven
Clinicians with the same Medicare primary specialty in North Haven, CT — not a recommendation.
Other clinicians in Connecticut Vascular Center PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053344424 |
| 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