Quick answers
- Which hospitals does Nathan A. Marengi work at?
- Medicare's official clinician data lists Nathan A. Marengi at 2 hospitals: Massachusetts General Hospital and North Shore Medical Center -. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan A. Marengi see patients?
- Medicare's clinician data lists 2 practice locations, including Burlington, MA and Salem, MA. Call before your visit to confirm the address.
- What is Nathan A. Marengi's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Nathan A. Marengi accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan A. Marengi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Nathan A. Marengi?
- (857) 282-8100, as listed in official Medicare / NPI Registry data.
- What is Nathan A. Marengi's NPI number?
- 1093978975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan A. Marengi works
Medicare's Facility Affiliation Data lists Nathan A. Marengi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
- North Shore Medical Center -Salem, MA · Acute Care Hospital · CCN 220035
Practice locations
Addresses where Nathan A. Marengi is enrolled with Medicare (CMS data updated 2026-10-02).
- 47 Middlesex TpkeBurlington, MA 01803 (857) 282‑8100
- 81 Highland AveSalem, MA 01970 (617) 726‑4121
Group practices
Medicare enrollment lists Nathan A. Marengi as a member of this group (CMS data updated 2026-10-02).
- Mass General Brigham Medical Group, Inc.139 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Burlington
Clinicians with the same Medicare primary specialty in Burlington, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Massachusetts Medical School |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093978975 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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