Quick answers
- Does Marco Brenciaglia accept Medicare assignment?
- Yes. Medicare's clinician data says Marco Brenciaglia 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 Marco Brenciaglia see?
- In 2024, CMS data shows 212 Original Medicare patients and 399 services for Marco Brenciaglia. This counts Original Medicare only and measures volume, not quality.
- What is Marco Brenciaglia's NPI number?
- 1366003527. 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 Marco Brenciaglia, 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 | 212 |
|---|---|
| Services billed to Medicare | 399 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Advance care planning, first 30 minutes (99497)179 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)140 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)39 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)36 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%
- Diabetes64%
- Arthritis53%
- Ischemic heart disease49%
- Chronic kidney disease45%
Hospitals where Marco Brenciaglia works
Medicare's Facility Affiliation Data lists Marco Brenciaglia 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
- William W Backus HospitalNorwich, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070024
- Wyckoff Heights Medical CenterBrooklyn, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330221
Practice locations
Addresses where Marco Brenciaglia is enrolled with Medicare (CMS data updated October 2, 2026).
- 374 Stockholm StBrooklyn, NY 11237 (718) 963‑7266
- 80 Seymour StHartford, CT 06102 (860) 972‑0549
Group practices
Medicare enrollment lists Marco Brenciaglia as a member of these groups (CMS data updated October 2, 2026).
- Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group
- Wyckoff Professional Medical Services PC157 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Other clinicians in Hartford Healthcare Medical Group Specialists PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366003527 |
| 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