Quick answers
- Where does Stephanie A. Massaro see patients?
- Medicare's clinician data lists 2 practice locations, including Trumbull, CT and New Haven, CT. Call before your visit to confirm the address.
- What is Stephanie A. Massaro's specialty?
- Medicare lists Pediatric Medicine as the primary specialty, and also Hematology/Oncology.
- Does Stephanie A. Massaro accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanie A. Massaro 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 Stephanie A. Massaro?
- (203) 785-2140, as listed in official Medicare / NPI Registry data.
- What is Stephanie A. Massaro's NPI number?
- 1851534481. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stephanie A. Massaro is enrolled with Medicare (CMS data updated 2026-10-02).
- 5520 Park AveTrumbull, CT 06611
- 800 Howard AveNew Haven, CT 06519 (203) 785‑2140
Group practices
Medicare enrollment lists Stephanie A. Massaro as a member of this group (CMS data updated 2026-10-02).
- Yale University2,645 clinicians in the group
Specialties
- Pediatric Medicineprimary
- Hematology/Oncologyalso
Other pediatricians in Connecticut
Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851534481 |
| 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
- 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