Quick answers
- Which hospitals does Ada Stefanescu work at?
- Medicare's official clinician data lists Ada Stefanescu at 2 hospitals: Massachusetts General Hospital and Newton-Wellesley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ada Stefanescu see patients?
- Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
- What is Ada Stefanescu's specialty?
- Medicare lists Adult Congenital Heart Disease (ACHD) as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Ada Stefanescu accept Medicare assignment?
- Yes. Medicare's clinician data says Ada Stefanescu 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.
- Does Ada Stefanescu offer telehealth?
- Medicare's clinician data says Ada Stefanescu offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ada Stefanescu?
- (617) 724-0287, as listed in official Medicare / NPI Registry data.
- What is Ada Stefanescu's NPI number?
- 1518274117. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ada Stefanescu works
Medicare's Facility Affiliation Data lists Ada Stefanescu 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
- Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · CCN 220101
Practice locations
Addresses where Ada Stefanescu is enrolled with Medicare (CMS data updated 2026-10-02).
- 55 Fruit StBoston, MA 02114 (617) 724‑0287
Group practices
Medicare enrollment lists Ada Stefanescu as a member of this group (CMS data updated 2026-10-02).
- Massachusetts General Physicians Organization Inc3,558 clinicians in the group
Specialties
Find other Adult Congenital Heart Disease (ACHD) doctors in Massachusetts →
Other adult congenital heart disease cardiologists in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
- Christopher W. Valle
- Fernando E. Baraona Reyes, MD
- Lana Tsao, MD
- Doreen D. Yeh, MD
- Sihong Huang, MD
- Christopher P. Learn, MD
All adult congenital heart disease cardiologists in Massachusetts →
Clinician information
| Graduation year | 2010 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518274117 |
| 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