Quick answers
- Which hospitals does Cassidy Pezza work at?
- Medicare's official clinician data lists Cassidy Pezza at 3 hospitals: Lahey Hospital & Medical Center, Burlington, Mount Auburn Hospital and Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Cassidy Pezza see patients?
- Medicare's clinician data lists 4 practice locations, including South Hamilton, MA, Burlington, MA and Arlington, MA. Call before your visit to confirm the address.
- What is Cassidy Pezza's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Cassidy Pezza accept Medicare assignment?
- Yes. Medicare's clinician data says Cassidy Pezza 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 Cassidy Pezza offer telehealth?
- Medicare's clinician data says Cassidy Pezza offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Cassidy Pezza?
- (978) 468-7381, as listed in official Medicare / NPI Registry data.
- What is Cassidy Pezza's NPI number?
- 1386353134. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Cassidy Pezza works
Medicare's Facility Affiliation Data lists Cassidy Pezza at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · CCN 220171
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · CCN 220002
- Winchester HospitalWinchester, MA · Acute Care Hospital · CCN 220105
Practice locations
Addresses where Cassidy Pezza is enrolled with Medicare (CMS data updated 2026-10-02).
- 15 Railroad AveSouth Hamilton, MA 01982 (978) 468‑7381
- 29 Mall RdBurlington, MA 01805
- 37 BroadwayArlington, MA 02474 (781) 641‑0100
- 41 Mall RdBurlington, MA 01805
Group practices
Medicare enrollment lists Cassidy Pezza as a member of these groups (CMS data updated 2026-10-02).
- Lahey Clinic Inc1,381 clinicians in the group
- Beth Israel Lahey Health Primary Care, Inc353 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in South Hamilton
Clinicians with the same Medicare primary specialty in South Hamilton, MA — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386353134 |
| 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